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NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 1 of 22 november 11, 2011 stereo 24-bit dac with 2vrms line out empoweraudio ? 1. general description the NAU8402 is a high quality 24-bit stereo dac with 2vrms analog output capability. this device includes an integrated charge pump enabling true ground referenced outputs and full 5.6vpp output levels, while operating from only a single 3.3v supply voltage. additionally, the NAU8402 includes automatic pop/click elimination features and high immunity to power supply and other system noise. this enables fast and efficient system integration while minimizing external component costs. the NAU8402 is specified for operation from -40c to +85c and is packaged in a cost-effective and space-saving 16-lead tssop package. 2. features stereo 24 -bit dac ? full 2vrms output using only 3.3vdc supp ly ? true ground referenced analog outputs ? audio performance o 98 db snr a-weighted performance o - 82 db thd+n o 68 db psrr at 1khz o 108 db channel separation at 1khz ? up to 96 khz audio sample rate ? automatic pop/click elimination and output muting for power-on and no-signal conditions interfaces ? i 2 s slave supporting up to 96 khz sample rate determined by clock frequency ratios. ? supports either 12.288mhz or 24.576mhz master clock frequency w/auto rate detection low power, low voltage ? nominal operating voltage: 3.3v additional features ? low external parts count ? high system noise immunity ? package: 16 -pin tssop (green/rohs) ? operating voltage: 3.3-3.6v ? operating temperature range: -40 to +85c applications ? game consoles ? dvd players ? set top boxes ? digital tvs digital audio interface line drivers charge pump ldac i 2 s cpcb cpout fs llineout rlineout dac digital filters rdac mclk bclk dacin contr ol interface / muteb linevdd linegnd cpca vssa vddb vref vdda www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 2 of 22 november 11, 2011 3. pin configuration figure 1 : NAU8402 pin-out v r e f v d d a v s s a m u t e b d a c i n f s l l i n e o u t r l i n e o u t c p o u t c p c b l i n e g n d c p c a l i n e v d d v d d b b c l k m c l k 2 3 4 5 6 7 8 1 1 5 1 4 1 3 1 2 1 1 1 0 9 1 6 n a u 8 4 0 2 s t e r e o 2 4 - b i t d a c t s s o p 1 6 www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 3 of 22 november 11, 2011 4. pin description pin name pin functionality a/d pin type vssa 1 analog ground a o vdda 2 analog supply a i vref 3 decoupling internal analog mid suppl y reference voltage a o /mute 4 mute enabled, 1= mute disabled d i fs 5 frame sync d i dacin 6 digital audio data input d i bclk 7 bit clock d i mclk 8 master clock d i vdd b 9 digital io supply d i linevdd 10 line out charge pump supply a i cpca 11 charge pump capacitor node a a o linegnd 12 line out charge pump ground a i cpcb 1 3 charge pump capacitor node b a o cpout 14 charge pump decoupling output a o rlineout 15 right channel line output a o llineout 16 left channel line output a o table 1: pin description notes 1. unused analog input pins should be left as no-connection. 2. any unused digital input pin must be tied high or low as appropriate. www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 4 of 22 november 11, 2011 5. table of conten ts 1. general description .................................................................................................................................. 1 2. features ......................................................................................................................................................... 1 3. pin configuration ....................................................................................................................................... 2 4. pin description ............................................................................................................................................. 3 5. table of contents ...................................................................................................................................... 4 6. list of figures .............................................................................................................................................. 5 7. list of tables ................................................................................................................................................ 5 8. absolute maximum ratings ...................................................................................................................... 6 9. operating conditions ................................................................................................................................ 6 10. electrical characteristics ................................................................................................................... 7 10.1. analog output levels ............................................................................................................................... 8 10.2. power consumption ................................................................................................................................... 8 11. functional descripti on ............................................................................................................................ 9 11.1. digital signal path ............................................................................................................................... 9 11.2. digital audio interface .................................................................................................................... 10 11.3. power on and off reset .................................................................................................................. 10 11.4. device clocking .................................................................................................................................. 11 12.5 mute / un-mute sequence and operating modes .................................................................... 12 12.6 power supply ....................................................................................................................................... 13 12.6.1 vref .......................................................................................................................................................... 13 12.6.2 charge pump ......................................................................................................................................... 14 12.6.3 power domains .................................................................................................................................... 14 12. audio interface timing diagram ........................................................................................................... 15 12.1. audio interface mode ....................................................................................................................... 15 12.2. system clock (mclk) timing diagram ........................................................................................... 16 13. filter characteristi cs ........................................................................................................................... 17 13.1. digital filter characteristics ......................................................................................................... 17 13.2. analog filter characteristics ........................................................................................................ 18 14. typical application ................................................................................................................................... 19 15. package specification: tssop- 16 ......................................................................................................... 20 16. ordering information ............................................................................................................................. 21 17. version history ......................................................................................................................................... 22 www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw 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NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 5 of 22 november 11, 2011 6. list of figures figure 1: NAU8402 pin-out .......................................................................................................................................... 2 figure 2: NAU8402 digital signal path ......................................................................................................................... 9 figure 3: NAU8402 digital interface timing diagram ................................................................................................ . 10 figure 4: power on and off reset sequence ............................................................................................................... 10 figure 5: mute / unmute sequence ............................................................................................................................ 12 figure 6: vref ........................................................................................................................................................... 13 figure 7: power domains ............................................................................................................................................ 14 figure 8: audio interface mode timing diagram ......................................................................................................... 15 figure 9: mclk timing diagram ................................................................................................................................ . 16 figure 10: dac filter frequency response ............................................................................................................... 17 figure 11: dac filter ripple ....................................................................................................................................... 17 figure 12: hpf frequency response ......................................................................................................................... 18 figure 13: application diagram for 20-pin qfn ......................................................................................................... 19 7. list of tables table 1: pin description ................................................................................................................................................ 3 ta ble 2: mclk and sample rate frequencies ........................................................................................................... 11 table 3: line driver power up delay .......................................................................................................................... 11 table 4: audio interface timing parameters ............................................................................................................... 15 table 5: mclk timing parameter ............................................................................................................................... 16 table 6: digital filter characteristics ............................................................................................................................ 17 table 7: analog filter characteristics .......................................................................................................................... 18 www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw 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NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 6 of 22 november 11, 2011 8. absolute maximum ratings description symbol condition min max units vddb, linevdd , vdda supply voltages vdd vdd vss - 0.3 4.5 v digital input voltage range d v in d v in vss vss C 0.3 vddb + 0.30 v analog input voltage a v in a v in vssa vssa C 0.3 vdda + 0.30 v temperature range ta - 40 +150 c storage temperature tst - 65 +150 c caution: do not operate at or near the maximum ratings listed for extended period of time. exposure to such conditions may adversely influence product reliability and result in failures not covered by warranty. these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 9. operating conditions condition symbol min val ue typical value max value units supply voltages linevdd, vdda 3.0 3.3 3.6 v supply voltage vddb 1.7 3.3 3.6 v ground linegnd, vssa 0 v operating temperature ta - 40 +85 c www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 7 of 22 november 11, 2011 10. electrical characteristics vdda = vddb = linevdd = 3.3v, mclk C 256fs, t a = +25 o c, 1khz signal, fs = 48khz, 24-bit audio data unless otherwise stated. notes: 1) thd+n is measured as rms value of the noise plus the harmonic distortion components relative to the full scale output level. 2) performance tests are conducted using a 20khz low pass filter and a weighted filter where specified. the 20khz low pass filter removes inaudible out of band noise . parameter sym test conditions min typ max unit full scale output voltage 2 2.1 2.2 vrms signal to noise ratio (2) snr a - weighted - 98 - db un - weighted - 9 6 - db dynamic range (2) dnr 24 - bit a - weighted - 98 - db 24 - bit un - weighted - 96 - db 16 - bit a - weighted - 94 - db 16 - bit un - weighted - 92 - db total harmonic distortion + noise level (1) thd+n 24 - bit 0db a - weighted - - 82 - db 24 - bit - 20db a - weighted - - 9 6 - db 16 - bit 0db a - weighted - - 82 - db 16 - bit - 20db a - weighted - - 93 - db power supply rejection ratio (2) ps r r 100hz - 73 - db 1khz - 68 - db 20khz - 58 - db channel separation (2) 1khz - 108 - db 20hz to 20khz - 96 db system absolut e phase - 0 - degrees channel level matching - 0 - db output offset - 0 8 mv www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 8 of 22 november 11, 2011 10.1. analog output levels vdda = vddb = linevdd = 3.3v, mclk C 256fs, t a = +25 o c, 1khz signal, fs = 48khz, 24-bit audio data unle ss otherwise stated. 10.2. power consumption vdda = vddb = linevdd = 3.3v, mclk C 256fs, t a = +25 o c, 1khz signal, fs = 48khz, 24-bit audio data unless otherwise stated. parameter sym test conditions min typ max unit output level vout 0dbfs 2.0 2.1 2.2 vrms load resistance rload 0dbfs 5 47 k load capacitance cload on r/l lineout - 0 100 pf conditions ivdda ( m a) ivddb ( m a) ilinevdd ( m a) itotal ( m a) / mute = 0, no clocks* 0.3 0.10 0 0.4 / mute = 0 1.66 1 1.22 3.88 / mute = 1 3.92 2.27 1.38 7.57 www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 9 of 22 november 11, 2011 11. functional description the NAU8402 is a high quality 24-bit stereo dac with 2vrms analog output capability. this device includes an integrated charge pump enabling true ground referenced outputs and full 5.6vpp output levels, while operating from only a single 3.3v supply voltage. additionally, the NAU8402 includes automatic pop/click elimination features and high immunity to power supply and other system noise. 11.1. digital signal path figure 2 : NAU8402 digital signal path the dac digital block uses 24-bit signal processing to generate analog audio from a 16-bit digital sample stream input. the dac coding scheme is in twos com plement format and the full-scale output level is proportional to vdda. with a 3.3v supply voltage, the full-scale output level is 2.1v rms . this dac block consists of a digital gain stage, a high pass filter, and a digital interpolation filter and sigma- de lta modulator. the digital gain stage is used in coordination with the mute function to ramp the volume up and down when going into and out of the mute state as described below. the high pass filter is a simple first order dc blocking filter, with a 3db cut-off frequency of fs x 7.7x10 -5 . filter operation and settings are always the same for both left and right channels. d i g i t a l g a i n h i g h p a s s f i l t e r d i g i t a l f i l t e r s d a c d i g i t a l f i l t e r s d i g i t a l a u d i o i n t e r f a c e d a c www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 10 of 22 november 11, 2011 11.2. digital audio interface figure 3 : NAU8402 digital interface timing diagram channel selection is governed by the frame sync (fs). when fs is low, the data transfer is for left channel. when fs is high, the data transfer is for right channel. dacin msb starts from the 2nd bclk after fs transition. the i2s data interface supports up to 24-bits of data using 32 bclk cycles per channel (64 per frame sync). in the 32 -bit i2s data format the dac will truncate the 8 lsbs and only use 24 bits. in the 16 -bit i2s data format, 16 lsbs must be padded with zero s. 11.3. power on and off reset figure 4 : power on and off reset sequence the NAU8402 includes a power on and off reset circuit on chip. the circuit resets the internal logic control at vddb power up. the NAU8402 does not have an external reset pin. the reset function is automatically generated internally when power supplies are too low for reliable operation. the internal reset is generated any time that vddb is lower than is required for reliable maintenance of internal logic conditions. the reset threshold voltage for vddb is approximately 0.5vdc. note that this is a much lower voltage than required for normal operation of the chip. the values are mentioned here as general guidance as to overall system design. if the vddb supply is coming up, an internal reset condition is asserted once the vddb supply reaches an internal threshold of vpor1. during this time, all registers and controls are set to the hardware determined initial conditions. externally applied clocks during this time will be ignored, and any expected actions will be invalid. n - 1 n - 2 n 1 2 3 n - 1 n - 2 n 1 2 3 l e f t c h a n n e l r i g h t c h a n n e l f s b c l k d a c i n m s b l s b m s b l s b vddb 0v 1.7 v C C www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 11 of 22 november 11, 2011 as vddb, increases above the vpor1 threshold, an internal reset pulse is generated which extends the reset condition for an additional time. the duration of this extended reset, time is approximately 50 microseconds to 100 microseconds, but may vary with the supply ramp rate. the reset condition remains asserted during this time. once vddb reaches a second threshold vpor2, the internal reset will be de-asserted. if vddb at any time becomes lower than its respective threshold voltage, a new reset condition will result. the reset condition will continue until vddb is higher than the vpor2 threshold. when vddb reaches vpor3 threshold during the power off ramp of vddb, the internal reset will be asserted again. 11.4. device c locking the NAU8402 requires the mclk/fs ratio to be 2563 or 5123 mclk cycles per fs. the NAU8402 has an automatic clock detection circuitry that validates the mclk/fs ratio. the following table describes appropriate clock relationships. fs ( k hz) bcl k ( k hz) mclk ( m hz) mclk/fs ratio 2 4 1536 12 . 288 512 48 3072 12 . 288 256 48 3072 24 . 576 512 96 6144 24 . 576 256 table 2 : mclk and sample rate frequencies when the circuit detects a valid mclk/fs ratio, the dac clock starts running at f mclk /4. however, the charge pump clock starts running at f mclk /128 (96 khz for 12.288 mhz master clock) immediately after mclk is detected after a valid mclk/fs ratio has been detected the line driver will powers up after a delay determined by the sampling rate according to the following table . fs ( k hz) line driver power up time ( ms ) 2 4 682 48 341 96 170 table 3 : line driver power up delay all clocks run continuously after start up as long as mclk remains present. fs and bclk signals are internally synchronized to mclk for clock detection and do not require external synchronization. www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 12 of 22 november 11, 2011 12.5 mute / un -mute sequence and operating modes figure 5 : mute / un-mute sequence the NAU8402 power-up sequence is as follows: ? apply power ? start mclk, fs & bclk ? the device initializes in the mute state upon application of clocks. the device begins the un-mute process once all three un-mute conditions are met: o valid mclk/fs ratio of 2563 or 5123 mclk cycles per fs has been detected. o bclk is present. o /mute is high. ? in the un-mute process, the line driver performs a soft un-mute. this will take 341ms for the initial un-mute after power up (see table 3) and 2000 samples (42 ms for 48khz fs) for any consecutive un-mute with the clocks running. once the line driver has been un-muted, the digital volume ramps up from full digital mute to -127.5db and then to full scale in 256 samples. ? . ? after the un-mute process completes, the device enters normal mode with analog outputs enabled and remains there until any of the un-mute conditions are no longer true. r e s e t s t a t e n o r m a l m o d e : o u t p u t s e n a b l e d m u t e s t a t e a p p l y p o w e r s t a r t f s & b c l k v a l i d m c l k / f s r a t i o & / m u t e = 1 & b c l k p r e s e n t s t a r t m c l k i n i t i n v a l i d m c l k / f s r a t i o | b c l k a b s e n t & / m u t e = 1 s t o p m c l k u n m u t e p r o c e s s m u t e p r o c e s s u n m u t e c o m p l e t e m u t e c o m p l e t e i n s t a n t m u t e s t a t e m c l k = 0 & f s = 0 & / m u t e = 0 & b c l k = 0 i n s t a n t m u t e p r o c e s s v a l i d m c l k / f s r a t i o & / m u t e = 0 & b c l k p r e s e n t $ o o 9 ' ' ? v 0 v m u t e c o m p l e t e r e m o v e p o w e r www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 13 of 22 november 11, 2011 the NAU8402 has three mute sequences: ? the device enters the mute process when /mute is high and bclk is absent or the mclk/fs ratio is invalid. in the mute process, the digital volume ramps from full scale to -127.5db, and then to full digital mute, in 1k samples at 0.125 db per step. once the digital volume reaches 0, the line driver performs a soft mute in 2k samples. note that the mclk needs to keep running in order to keep the charge pump running during the mute process. ? the device enters the instant mute process when /mute is low and bclk, fs & mclk are valid. in the instant mute process, the line driver output is muted instantly, while the digital volume ramps from full scale to -127.5db, and then to full digital mute, in 1k samples at 0.125 db per step. for minimal pops it is advised to send 8000 consecutive zero samples to the digital dac input prior to entering the instant mute process; ? the device enters the instant mute state when all clocks are absent and /mute is low. supply power may be removed after reaching the instant mute state. for minimal pops it is advised to send 8000 consecutive zero samples to the digital dac input prior to entering the instant mute process; once the device is in the mute state, the user may stop mclk to enter the low power reset state. mclk should not be stopped prior to full completion of the mute sequence. during the mute state, the charge pump will continue to operate as long as the master clock is present. 12.6 power supply 12.6.1 vref figure 6 : vref connections the NAU8402 includes a mid-supply reference circuit. it is decoupled to vssa through the vref pin by means of a bypass capacitor. the vref voltage is used as the dac reference. therefore, the bypass capacitor needs to be large in order to achieve good power supply rejection at low frequencies. typically, a 2.2uf capacitor can be used to obtain good power supply rejection. however, a larger values can als o be chosen. a larger value will increase the rise time of vref and therefore it will delay the valid line output signal. due to the high impedance nature of the vref pin, it is important to use a low leakage decoupling capacitor. a pre-charge circuit pre-charges the capacitor close to vdda/2 at power up in order to reduce the rise time for fast line out availability. v d d a p r e - c h a r g e v s s a 2 . 2 u f v r e f 3 . 3 v 7 0 0 k o h m 7 0 0 k o h m www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 14 of 22 november 11, 2011 12.6.2 charge pump the NAU8402 contains a charge pump to generate a negative supply for the ground referenced stereo line out dac. the charge pump operates from the linevdd supply, which perform the following tasks. ? first ly , it connects the 220 nf cpc capacitor between cpca & cpcb to the linevdd supply voltage. ? second ly , it discharges the cpc capacitor charge onto the cpout pin, which is decoupled through another 4.7uf capacitor. for optimal performance, connect the charge pump capacitors close to the pins. increasing the cpout decoupling capacitor will help to reduce the supply ripple, but will increase the charge pump settling time. the charge pump starts running at f mclk /128 (96 khz for 12.288 mhz master clock) once mclk has been applied. during the mute condition, the charge pump will continue to operate as long as the master clock is present. 12.6.3 power domains figure 7 : power domains the NAU8402 has two ground pins and three power supply pins. the vssa ground pin is used to supply the low noise analog circuits, such as the dac, the references and the line out drivers. the linegnd pin supplies the switching circuits, such as the charge pump, the digital inputs and the logic. the vdda supply pin and supplies the dacs, references and line out drivers. vdda needs to be connected to a low noise 3.3v +/- 10% supply voltage. the vref reference is generated from vdda and vssa and is typically (vdda+vssa)/2. the linevdd supply pin supplies the charge pump. linevdd needs to be connected to a 3.3v +/- 10% supply voltage . the charge pump provides the negative supply cpout for the line out drivers and is typically C linevdd. the vddb supply pin supplies the digital input buffers and the logic ldo. vddb needs to be connected to a 1.7v to 3.6v supply voltage . the logic ldo will turn on as soon as power is applied to vddb and it will supply the internal por and logic supply. www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 15 of 22 november 11, 2011 12. audio interface timing diagram 12.1. audio interface mode figure 8: audio interface mode timing diagram symbol description min typ max unit t bck bsck cycle time 50 --- --- ns t bckh bsck high pulse width 20 --- - -- ns t bckl bsck low pulse width 20 --- --- ns t fss fs to blck rising setup time 20 --- --- ns t fsh bclk rising edge to fa hold time 20 --- --- ns t rise rise time for all audio interface signals --- --- 10 ns t fall fall time for all audio interface si gnals --- --- 10 ns t dis dac in to bl ck rising edge setup time 15 --- --- ns t dih bclk rising edge to dacin hold time 15 --- --- ns table 4: audio interface timing parameters t f s h t f s s t f s h t f s s t d i s t d i h t b c k t b c k h t b c k l t r i s e t f a l l b c l k f s d a c i n www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 16 of 22 november 11, 2011 12.2. system clock (mclk) timing diagram figure 9 : mclk timing diagram parameter symbol test conditions min typ max unit mclk cycle time t mclk 40 ns m c l k high pulse width t m c l kh 16 --- --- ns m c l k low pulse width t m c l kl 16 --- --- ns table 5 : mclk timing parameter t mclk t mclkh t mclkl mclk www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 17 of 22 november 11, 2011 13. filter characteristics 13.1. digital filter characteristics parameter conditions min typ max units high pass filter high pass filter corner frequency - 3db 7.7x10 - 5 fs - 0.5db 2.2x10 - 4 fs - 0.1db 4.5x10 - 4 fs dac filter passband +/ - 0.035db 0 0.4 65 fs - 6db 0.5 fs passband ripple +/ - 0.035 db stopband 0.546 fs stopband attenuation f > 0.546*fs - 55 db group delay 28 1/fs table 6: digital filter characteristics terminology 1. stop band attenuation (db) C the degree to which the frequency spectrum is attenuated (outside audio band) 2. pass-band ripple C any variation of the frequency response in the pass-band region figure 10 : dac filter frequency response figure 11 : dac filter ripple www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 18 of 22 november 11, 2011 figure 12 : hpf frequency response 13.2. analog filter characteristics parameter conditions min typ max units a d c filter passband - 6db 0. 20 322 f mclk table 7 : analog filter characteristics 10 20 30 hz d b r 0 - 2 - 4 - 6 www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 19 of 22 november 11, 2011 14. typical application figure 13 : application diagram note 1: the NAU8402 l/r lineout levels are (2.1 x 3.3/vdda) vrms. using, the application circuit above, the 0dbfs level at the l & r audio out terminals will be 2 vrms, when a 10- k? load is applied. in order to estimate the output level variation, one should consider the vdda supply voltage accuracy, the accuracy of the load and 500- ? resistance and the NAU8402 output level variation. note 2: the 500- ? series resistor will effectively reduce the impact of glitches that may be present on line out connectors. in addition, the 500- ? 2700pf rc combination reduces the dac out of band noise. the -3db cut-off is at 118 khz . note 3: for optimum performance, separate the left and right lineout traces and rc network by a vss trace on the pcb. c 4 4 . 7 u f v s s v r e f v d d a v s s a m u t e b d a c i n f s l l i n e o u t r l i n e o u t c p o u t c p c b l i n e g n d c p c a l i n e v d d v d d b b c l k m c l k n a u 8 4 0 2 s t e r e o 2 4 - b i t d a c t s s o p 1 6 1 2 3 4 5 6 7 8 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 r 1 5 0 0 o h m v s s r 2 5 0 0 o h m v s s c 3 2 2 0 n f 3 . 3 v l a u d i o o u t r a u d i o o u t c 6 2 . 2 u f c 5 4 . 7 u f v s s c 1 2 7 0 0 p f c 2 2 7 0 0 p f www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 20 of 22 november 11, 2011 15. package specification: tssop- 16 www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 21 of 22 november 11, 2011 16. ordering information nuvoton part number description NAU8402_ _ package type: w = 16 - pin tssop package package material: g = pb - free package / green www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://
NAU8402 empoweraudio ? datasheet revision 1.5 preliminary page 22 of 22 november 11, 2011 17. version history version date page description 0.5 october 12 th , 2010 initial revision 0.8 november 17 th , 2010 19 7 added ordering part numbers for t&r and tray added foot note for off sate power consumption 1.1 december 10 th , 2010 19 changed ordering number to conform to the audio product part numbering system 1.2 february, 2011 23, 24 16 various revised mute / un - mute sequences and diagram updated t fss description updated format and descriptions 1.3 april, 2011 7 7, 8 8 11 11, 14 17 18 19 21 updated thd+n level typical corrected output level min and max and output offset typical updated power consumption table corrected dac clock output level min and max clarified that charge pump clock starts with mclk updated digital filter characteristic s added analog filter characteristics updated applications diagram. cpout capacitor changed. corrected ordering information 1.4 june , 2011 1 7, 8 8 19 updated block diagram and features list updated corrected typical snr, thd, and psrr numbers, updated power consumption table added note 3. g round traces recommendation. 1.5 12 updated the un - mute description . in the un - mute process, the line driver performs a soft un - mute in 2k samples (42 ms for 48khz fs). once the line driver has been un - muted, the digital volume ramps up from full digital mute to - 127.5db and then to full scale in 256 samples. hanged to in the un - mute process, the line driver performs a soft un - mute. this will take 341ms for the initial un - mute after power up (see table 3) and 200 0 samples (42 ms for 48khz fs) for any consecutive un - mute with the clocks running. once the line driver has been un - muted, the digital volume ramps up from full digital mute to - 127.5db and then to full scale in 256 samples . important notice nuvoton products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for surgical implantation, atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, or for other applications intended to support or sustain life. furthermore, nuvoton products are not intended for applications wherein failure of nuvoton products could result or lead to a situation where in personal injury, death or severe property or environmental damage could occur. nuvoton customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify nuvoton for any damages resulting from such improper use or sales. www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw www.100y.com.tw free datasheet http://

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