analog products division 561 e. elliot road #175 chandler, az 85225 tel: (480) 539-2900. fax: (480) 747-1715 www.protekanalog.com PA5144 24-bit, 192 khz stereo d/a converter for pcm audio 95240 rev.0. 01/10 not for use in life support systems features ? 95 db dynamic range ? -85 db thd+n ? up to 200 khz sampling frequency ? i 2 s audio data format, 16-24 bits ? single power supply 4.5 v to 5.5v applications ? dvd players ? portable audio players ? set top boxes ? digital tvs general description the PA5144 is a low cost 10-pin stereo digital to analog converter. the PA5144 can accept i2s serial audio data format up to 24- bit word length. the device uses advanced multi-bit ? - modulation technique to convert data into two channel analog outputs. the multi-bit ? - modulator makes the device with very low sensitivity to clock jitter and very low out of band noise. block diagram pin descriptions pin configuration pin value description 1 sdata serial audio data input 2 sclk bit clock input 3 lrck left and right channel clock input indicating input data sampling rate (fs) and channel selection 4 clk in system clock input 5 cap1 filtering capacitor 6 cap2 filtering capacitor 7 a outr analog output of right channel 8 gnd ground 9 vdd device power supply 10 a outl analog output of left channel ordering information temperature range package part number -40 to 85 c tssop-10 PA5144-t7 95240 audio data interface interpolation filter interpolation filter multi-level sigma-delta dac multi-level sigma-delta dac output amp low pass filter output amp low pass filter clock manager/ sample rate a outl a outr clk in sdata lrck sclk a outr sdata sclk lrck clk in PA5144 4 8 7 6 5 a outl v dd gnd 3 2 1 9 10 cap2 cap1
analog products division 561 e. elliot road #175 chandler, az 85225 tel: (480) 539-2900. fax: (480) 747-1715 www.protekanalog.com PA5144 24-bit, 192 khz stereo d/a converter for pcm audio 95240 rev.0. 01/10 not for use in life support systems absolute maximum ratings supply voltage ??????????. min-0.3v max +7.0v input voltage ??????? min gnd-0.3v max v dd +0.3v operating temperature??????..min -40c max +85c storage temperature???????min -65c max +150c recommended operating conditions supply voltage ??????????. min 4.5v max 5.5v analog characteristics test conditions: vdd=5.0v, gnd=0v, ambient temperature=25 c, fs=48khz, clkin/lrck=256, input 0db 1khz sinewave note 1. a-weighted filter is used in measurement. parameters minimum typical maximum unit dac performance dynamic range (note 1) 90 95 db thd+n -85 -80 db channel separation (1khz) 100 db signal to noise ratio 95 db interchannel gain mismatch 0 db frequency response (20hz-20khz) -0.02 +0.08 db filter frequency response characteristics single speed passband 0 0.454 fs stopband 0.547 fs passband ripple 0.05 db stopband attenuation -53 db double speed passband 0 0.417 fs stopband 0.583 fs passband ripple 0.005 db stopband attenuation -56 db quad speed passband 0 0.2083 fs stopband 0.792 fs passband ripple 0.006 db stopband attenuation -50 db analog output characteristics full scale output level 3.25 3.5 3.75 vpp output impedance 120 ? minimum load resistance 2 k ? maximum capacitance 100 pf
analog products division 561 e. elliot road #175 chandler, az 85225 tel: (480) 539-2900. fax: (480) 747-1715 www.protekanalog.com PA5144 24-bit, 192 khz stereo d/a converter for pcm audio 95240 rev.0. 01/10 not for use in life support systems serial audio port switching characteristics parameter symbol min max unit clkin frequency 51.2 mhz clkin duty cycle 40 60 % lrck frequency 200 khz lrck duty cycle 40 60 % sclk frequency 26 mhz sclk pulse width low t sckl 15 ns sclk pulse width high t sckh 15 ns sclk rising to lrck edge delay t lrh 10 ns sclk rising to lrck edge setup time t rsu 10 ns sdata valid to sclk rising setup time t sds 10 ns sclk rising to sdata hold time t sdh 10 ns sdata sclk lrck t lrh t lrsu t sds t sdh t sckh t sckl t scky serial audio port timing diagram dc characteristics parameter min typ max unit normal operation mode vdd current v dd =5.0v 25.0 30.0 ma power dissipation v dd =3.3v 125.0 150.0 mw digital voltage level input high-level voltage 2.0 v input low-level voltage 0.8 v output high-level voltage v dd v output low-level voltage 0 v recommended application circuit
analog products division 561 e. elliot road #175 chandler, az 85225 tel: (480) 539-2900. fax: (480) 747-1715 www.protekanalog.com PA5144 24-bit, 192 khz stereo d/a converter for pcm audio 95240 rev.0. 01/10 not for use in life support systems figure 1 recommended application circuit. application descriptions sampling rate and input clocks the serial audio input data is transmi tted to the device at sdata pin. according to the sampling rate, the device can work in three speed modes, single speed, double speed and quad speed. the device can detect the speed mode of the input data stream automatica lly when the sampling rate falls into the auto detectio n ranges listed in table1. if the sampling rate is outside the auto detecti on ranges, the device will not work properly. the device works with the input system clock clkin, sample data clock lrck and bit clock sclk. the data clock and bit clock must be synchronously derived fr om the system clock with some specific rates. the device only supports the clkin/lrck ratios listed in table1. the lrck/sclk ratio is normally 64. the device detects clock ratios automatically, and it will not work properly if any ratio is incorrect. audio data input the PA5144lv can accept i2s serial audio input data from 16-bit to 24-bit. the device can detec t the data word length automatic ally. the relationship of sdata, sclk and lrck fo r the format is illustrated through figures 2. n- 2 n- 1 n 3 2 1 1 sclk msb lsb left channel n- 2 n- 1 n 3 2 1 1 sclk msb lsb right channel sdata sclk lrck figure 2. i 2 s serial audio data format up to 24-bit table 1 auto detection ra nges and clkin/lrck ratio. mode fs auto detection range clkin/lrck ratio single speed 8khz ? 50khz 256, 384, 512, 768, 1024 double speed 84khz ? 100khz 128, 192, 256, 384, 512 quad speed 167khz ? 200khz 128, 192, 256 serial audio data PA5144 sdat a scl k lrc k clkin a outl a out r gnd v dd 1 2 3 4 6 7 8 10 0.1 f 1f 16v 3.3f 16v 3.3f 16v 3000 p f 3000 p f 560? 560 ? 10 k ? 10 k ? 5.0 v left and right channel output 33 p f 12? 10f 16v cap1 cap2 5 9
analog products division 561 e. elliot road #175 chandler, az 85225 tel: (480) 539-2900. fax: (480) 747-1715 www.protekanalog.com PA5144 24-bit, 192 khz stereo d/a converter for pcm audio 95240 rev.0. 01/10 not for use in life support systems power up and power down upon applying v dd , the device will reset itself and enter power down state. du ring this state, the device clamps outputs to ground and power down the device operation except for clock management unit. once proper clkin and lrck clocks are applied, the device wi ll leave power down state, and t he device outputs ramp from ground to common mode voltage softly. then the device enters the normal operation.
analog products division 561 e. elliot road #175 chandler, az 85225 tel: (480) 539-2900. fax: (480) 747-1715 www.protekanalog.com PA5144 24-bit, 192 khz stereo d/a converter for pcm audio 95240 rev.0. 01/10 not for use in life support systems package dimensions and measurements tssop-10 package dimensions millimeters inches dim min max min max a b c d e f g h i j k l 4.80 0.49 1.08 0.15 2.95 0.75 0.00 0.40 2.95 0.254x45 0.08 0.0 o 5.00 0.51 1.10 0.30 3.05 0.95 0.15 0.80 3.05 0.406x45 0.23 0.8 o 0.189 0.0195 0.0430 0.0059 0.1180 0.0295 0.000 0.0157 0.1180 0.014x45 0.0031 0.0 o 0.196 0.0199 0.0433 0.0118 0.1182 0.0374 0.0059 0.0315 0.1182 0.016x45 0.0091 0.8 o package outline mounting pad 0.050 + 0.005mm 0.030 + 0.005mm 4.5+ 0.005mm 5.5mm 0.9 + 0.005mm notes 1. - t - = seating plane and datum surface. 2. dimensions ?a? and ?b? are datum. 3. dimensions ?a? and ?b? do not include mold protrusion. 4. maximum mold protrusion is 0.015? (0.380 mm) per side. 5. dimensioning and tolerances per ansi y14.5m, 1982. 6. dimensions are exclusive of mold flash and metal burrs. tape & reel/bulk ordering nomenclature 1. surface mount product is taped and reeled in accordance with eia-481. 2. suffix-t7 = 7 inch reel - 1,000 pieces per 12mm tape. 3. suffix-t13 = 13 inch reel - 2,500 pieces per 12mm tape. 4. no suffix = product shipped in tubes of 98 pcs per tube. outline & dimensions: rev 1 - 11/01, 06009 life support policy protek analog's products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of protek devices.
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