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[AK4954A] ms1542-j-00-pb 2013/06 - 1 - ? AK4954A ???????????`?iM 32bit ? codec ????? alc(automatic level control) i?? ????????????`?i?? h?C??`?C? m??????????ki???? dc ??? ???`? 0.9v ~ 5.5v ???RgF?????A? ?????`? qfn (4 x 4mm, 0.4mm pitch) 2~3 ?? ???^?g?ep? L 1. h?C ? 2 ?y???`i ? 3 ?y?i????? ? ??i (+26db/+20db/+13db/+6db/0db) ? digital alc (automatic level control) i (setting range: +36db ~ ? 52.5db, 0.375db step) ? adc : s/(n+d): 88db, dr, s/n: 97db (mic-amp=+20db) s/(n+d): 88db, dr, s/n: 100db (mic-amp=0db) ? 2 N decimation filter ? ``?`? ? L?? ? ???{ ? 5 ??? ? digital mic interface i 2. ?C ? digital alc (automatic level control) i (setting range: +36db ~ ? 52.5db, 0.375db step) ? 3-band ??????` ? ??`i (+6db ~ ? 65.5db, 0.5db step, mute) ? ???????????i - hp-amp : s/(n+d): 65db@20mw, s/n: 100db - : 20mw@16 - ? on/off r??` ? ??`i ( ??C ) - spk-amp : s/(n+d): 70db@250mw, out put noise level: -97dbv - btl ?A - : 400mw@8 (svdd=3.3v) 100mw@8 (svdd=1.5v) ? beep ?Ci 3. ?`???C 32bit stereo codec with mic/hp/spk-amp AK4954A
[AK4954A] ms1542-j-00-pb 2013/06 - 2 - 4. ?? : (1) pll ` ? ? : 11.2896mhz, 12mhz, 12. 288mhz, 13.5mhz, 24mhz, 27mhz (mcki pin) 32fs or 64fs (bick pin) (2) ??` ? ? : 256fs, 384fs, 512fs or 1024fs (mcki pin) 5. ?? ? pll slave mode (bick pin): 8khz ~ 96khz ? pll master mode: 8khz, 11.025khz, 12khz, 16khz, 22.05khz, 24khz, 32khz, 44.1khz, 48khz, 64khz, 88.2khz, 96khz ? ext master/slave mode: 8khz ~ 96khz (256fs), 8khz ~ 48khz (384fs), 8khz ~ 48khz (512fs), 8khz ~ 24khz (1024fs) 6. ?`?` 7. `????`?`?? : msb first, 2?s complement ? adc : 16/24/32bit ?? , 16/24/32bit i 2 s ? dac : 16/24/32bit ?? , 16bit ? , 24bit ? , 16/24/32bit i 2 s 8. ? p ???` : i 2 c bus (ver 1.0, 400khz fast-mode) 9. ta = ? 30 85 c 10. ??R : ? ??? (avdd): 2.5 ~ 3.5v ? ?? (dvdd): 1.6 ~ 1.98v ? ? i/o ? (tvdd): 1.6 or (dvdd-0.2) ~ 3.5v ? ?`? (svdd): 0.9 ~ 5.5v 11. ??` : 32pin qfn (4 x 4mm, 0.4mm pitch)
[AK4954A] ms1542-j-00-pb 2013/06 - 3 - ?? mic power supply hpf1 pmmp pmadl or pmadr audio i/f internal mic cap-less headphone mono speaker or stereo line-out control logic mpwr2 lin1/ddat rin1 /dmcl k lin2 rin2 spp/lout spn/rout svdd vss3 avdd vss1 tvdd sda pdn bick lrck sdto sdti * mcki pmhpl hpl hpr vss2 scl 4-band eq hpf2 alc pmadl sdti pmhpr pmdac pmsl adc dac line in lin3 rin3 pmadr charge pump vee mpwr1 vcom dvdd pmhpl or pmhpr cn cp external mic sdto vcom pmvcm dvl/r smute beep gen lpf 1-band eq pll pmpfil pmpll * ovf drc mrf pmdrc stereo separation pmbp (ovf pin mcki pin ??? ) figure 1. ??
[AK4954A] ms1542-j-00-pb 2013/06 - 4 - `?? AK4954Aen ? 30 +85 c 32-pin qfn (0.4mm pitch) akd4954a AK4954A .o!aoo< ? vss2 cp cn a vdd vss1 vcom mrf rin3 vee hpl dvdd hpr spp/lout spn/rout lin3 rin2 lin2 mpwr2 mpwr1 rin1/dmcl k lin1/dmda t bick lrck mcki/ovf sdto sdti sd a scl ak4954 a top view 25 26 27 28 29 30 31 32 24 23 22 15 14 13 12 11 10 9 21 20 19 18 17 1 2 3 4 5 6 7 tvdd 16 pdn 8 svdd vss3
[AK4954A] ms1542-j-00-pb 2013/06 - 5 - ak4953a ?^ C ak4953a AK4954A ? 24bit 32bit avdd 2.85v a 3.5v 2.5v a 3.5v dvdd 1.6v ~ 2.0v 1.6v ~ 1.98v svdd 0.9v a 5.5v tvdd dvdd a 3.5v 1.6v or (dvdd-0.2)v a 3.5v adc dr, s/n 88db @ mgain = +20db 96db @ mgain = 0db 97db @ mgain = +20db 100db @ mgain = 0db dac( ???? ) s/n 96db 100db ? typ. 2.4vpp @ mgain=0db typ. 0.8 x avdd @ mgain=0db ? ( ???? ) typ. 1.75vpp @ dvol=0db ty p. 0.485 x avdd @ dvol=0db ??`?R typ 2.3v (2 ?y ) typ. 0.8 x avdd (2 ?y ) ??` ? -108dbv (a-weighted) -120dbv (a-weighted) mic-amp 0db/+12db/+16db/+20db/+23db/ +26db/+29db 0db/+6db/+13db/+20db/+26db adc ``?` ? (mcki pin ? ) ???{ ? ?` +36db a -54db, 0.375db step ( note 1 ) & +12db a -115db, 0.5db step +36db a -52.5db, 0.375db step ( note 1 ) & +6db a -65.5db, 0.5db step ??? ?` ? ( ? ) speaker-amp ? master clock pll mode ? 11.2896mhz, 12mhz, 13.5mhz, 24mhz, 27mhz 11.2896mhz, 12mhz, 12.288mhz, 13.5mhz, 24mhz, 27mhz ? p ???` 3 ? or i 2 c bus i 2 c bus power consumption (stereo recording) (headphone playback) typ. 9.4mw typ. 10.2mw typ. 10.4mw ( M` ) typ. 6.2mw ( M` ) package 36qfn (5 x 5mm, 0.4mm pitch) 32qfn (4 x 4mm, 0.4mm pitch) note 1. alc ?` ??h?r alc ? ?`??? ????
[AK4954A] ms1542-j-00-pb 2013/06 - 6 - ???C no. pin name i/o function 1 lin3 i lch analog input 3 pin 2 rin2 i rch analog input 2 pin 3 lin2 i lch analog input 2 pin 4 mpwr2 o mic power supply pin for microphone 2 5 mpwr1 o mic power supply pin for microphone 1 rin1 i rch analog input 1 pin (dmic bit = ?0?: default) 6 dmclk o digital microphone clock pin (dmic bit = ?1?) lin1 i lch analog input 1 pin (dmic bit = ?0?: default) 7 dmdat i digital microphone data input pin (dmic bit = ?1?) 8 pdn i power-down & reset when ?l?, the AK4954A is in power-down mode and is held in reset. the AK4954A must be always reset upon power-up. 9 scl i control data clock pin 10 sda i/o control data input/output pin 11 sdti i audio serial data input pin 12 sdto o audio serial data output pin 13 lrck i/o input/output channel clock pin 14 bick i/o audio serial data clock pin mcki i external master clock input pin (ovfl bit = ?0?: default) 15 ovf o over flow flag output pin (ovfl bit = ?1?) 16 tvdd - digital i/o power supply pin, 1.6 ~ 3.5v 17 vss3 - ground 3 pin 18 svdd - speaker-amp power supply pin, 0.9 ~ 5.5v spn o speaker-amp negative output pin (losel bit = ?0?: default) 19 rout o rch stereo line output pin (losel bit = ?1?) spp o speaker-amp positive output pin (losel bit = ?0?: default) 20 lout o lch stereo line output pin (losel bit = ?1?) 21 dvdd - digital power supply pin, 1.6 ~ 1.98v 22 hpl o lch headphone-amp output pin 23 hpr o rch headphone-amp output pin 24 vee o charge-pump circuit negative voltage output pin this pin must be connected to vss2 with 2.2 f 50% capacitor in series. 25 vss2 - ground 2 pin 26 cp o positive charge-pump capacitor terminal pin this pin must be connected to cn pin with 2.2 f 50% capacitor in series. 27 cn i negative charge-pump capacitor terminal pin this pin must be connected to cp pin with 2.2 f 50% capacitor in series. 27 avdd - analog power supply pin, 2.5 ~ 3.5v 29 vss1 - ground 1 pin 30 vcom o common voltage output pin bias voltage of adc inputs and dac outputs. this pin must be connected to vss1 with 2.2 f 50% capacitor in series. 31 mrf o mic power supply ripple filter pin this pin must be connected to vss1 with 2.2 f 50% capacitor in series. 32 rin3 i rch analog input 3 pin note 2. ??? (lin1, rin1, lin2, rin2, lin3, rin3) ?????`??? ???
[AK4954A] ms1542-j-00-pb 2013/06 - 7 - ?????I?? ?????Om?I?? ? O analog mpwr1, mpwr2, mrf, spn, spp, hpl, hpr, cp, cn, vee, lin1/dmdat, rin1/dmclk, lin2, rin2, lin3, rin3 `? mcki/ovf vss2 ??A ovfl bit = ?0? sdti vss2 ??A digital sdto `? ~?? (vss1=vss2=vss3=0v; note 3 ) parameter symbol min max unit power supplies: analog avdd 0.3 6.0 v digital dvdd 0.3 2.5 v digital i/o tvdd 0.3 6.0 v speaker-amp svdd 0.3 6.0 v input current, any pin except supplies iin - r 10 ma analog input voltage ( note 5 ) vina 0.3 avdd+0.3 v digital input voltage ( note 6 ) vind 0.3 tvdd+0.3 v ambient temperature (powered applied) ta 30 85 q c storage temperature tstg 65 150 q c maximum power dissipation ( note 7 ) pd - 900 mw note 3. ?R???????? note 4. vss1, vss2, vss3 ??????A? note 5. lin1, rin1, lin2, rin2, lin3, rin3 pins note 6. pdn, scl, sda, sdti, lrck, bick, mcki pins sda, scl ??????A?? (tvdd+0.3)v ?? note 7. AK4954A ?p?????A??`?????M??? AK4954A ????S? 125 c ? jesd51-9(2p2s) ? ja (junction to ambient) 42 q c/w ? pd=900mw r ja = 42 q c/w ????? 125 q c ?? ???? AK4954A ?p?????????? ja 42 q c/w ????`??????X? ? : ??????? ?????????? ????^?
[AK4954A] ms1542-j-00-pb 2013/06 - 8 - ?X (vss1=vss2=vss3= 0v; note 3 ) parameter symbol min typ max unit power supplies analog avdd 2.5 3.3 3.5 v ( note 8 ) digital dvdd 1.6 1.8 1.98 v digital i/o ( note 9 ) tvdd 1.6 or (dvdd-0.2) 1.8 3.5 v spk-amp svdd 0.9 3.3 5.5 v note 3. ?R???????? note 8. avdd, dvdd, tvdd, svdd ??`????]????? r??????? pdn pin = ?l? ?B??? ??? ??? pdn pin = ?h? ?? note 9. min ? 1.6v ? (dvdd-0.2)v ?a??? *AK4954A ?? svdd=on, pdn pin = ?l? ? avdd, dvdd, tvdd ? on/off ?? ?? tvdd=on, pdn pin = ?l? ? avdd, dvdd, svdd ? on/off ??? ? off ?B? on ???????? pdn pin ?h? ?? ? : ?``??d? ??v???????? ??
[AK4954A] ms1542-j-00-pb 2013/06 - 9 - ?? (ta=25 c; avdd=svdd=3.3v, tvdd=dvdd=1.8v; vss1=v ss2=vss3=0v; fs=44.1khz, bick=64fs; signal frequency=1khz; 24bit data; measurement bandwidth=20hz 20khz; unless otherwise specified) parameter min typ max unit mic amplifier: lin1, rin1, lin2, rin2, lin3, rin3 pins input resistance 70 100 140 k mgain2-0 bits = ?000? +5 +6 +7 db mgain2-0 bits = ?001? +12 +13 +14 db mgain2-0 bits = ?010? +19 +20 +21 db mgain2-0 bits = ?011? +25 +26 +27 db gain mgain2-0 bits = ?1xx? - 0 - db mic power supply: mpwr1, mpwr2 pins output voltage ( note 10 ) 2.51 2.64 2.77 v output noise level (a-weighted) - -120 - dbv psrr (fin = 1khz) ( note 11 ) - 70 - db load resistance 1.0 - - k load capacitance - - 15 pf adc analog input characteristics: lin1/rin1/lin2/rin2/lin3/rin3 pins adc programmable filter (ivol=0db, eq=alc=off) sdto; c ext1 = 1 f, c ext2 = 1nf ( note 12 ) resolution - - 32 bits ( note 14 ) 0.237 0.264 0.29 vpp input voltage ( note 13 ) ( note 15 ) 2.37 2.64 2.90 vpp ( note 14 ) 78 88 - dbfs fs=44.1khz bw=20khz ( note 15 ) - 88 - dbfs ( note 14 ) - 85 - dbfs s/(n+d) ( ? 1dbfs) fs=96khz bw=40khz ( note 15 ) - 82 - dbfs ( note 14 ) 87 97 - db d-range ( ? 60dbfs, a-weighted) ( note 15 ) - 100 - db ( note 14 ) 87 97 - db s/n (a-weighted) ( note 15 ) - 100 - db ( note 14 ) 80 100 - db interchannel isolation ( note 15 ) - 100 - db ( note 14 ) - 0 0.8 db interchannel gain mismatch ( note 15 ) - 0 0.5 db psrr (fin = 1khz) ( note 11, note 14 ) - 40 - db note 10. 5? avdd ??? (typ. 0.8 x avdd v) note 11. avdd ?? 100mvpp \?d 2?!??' note 12. figure 2 o0?
?} -o??? (c ext2
?'?i pin - vss1 4fayt??? ) adc input c ext2 c ext1 signal input figure 2. adc =`# $ho0 note 13. i h^,$o^5? avdd ??? typ. 0.8 x avdd vpp (0db), typ. 0.08 x avdd vpp (+20db) note 14. mgain2-0 bits = ?010? (+20db) note 15. mgain2-0 bits = ?1xx? (0db)
[AK4954A] ms1542-j-00-pb 2013/06 - 10 - parameter min typ max unit dac characteristics: resolution - - 32 bits headphone-amp characteristics: dac hpl, hpr pins, alc=off, ivol=dvol= 0db, r l =16 output voltage ( note 16 ) 1.44 1.60 1.76 vpp fs=44.1khz, bw=20khz 55 65 - db (r l =16 ) fs=96khz, bw=40khz - 65 - db s/(n+d) (r l =10k ) fs=44.1khz, bw=20khz - 80 - db s/n (a-weighted) 90 100 - db interchannel isolation 65 80 - db interchannel gain mismatch - 0 0.8 db output offset voltage - 1 0 + 1 mv psrr (fin = 1khz) ( note 17 ) - 40 - db load resistance 16 - - load capacitance - - 300 pf speaker-amp characteristics: dac spp/spn pins, alc=off, ivol=dvol= 0db, r l =8 , btl output voltage slg1-0 bits = ?00?, ? 0.5dbfs (po=150mw) - 3.18 - vpp slg1-0 bits = ?01?, ? 0.5dbfs (po=250mw) 3.20 4.00 4.80 vpp slg1-0 bits = ?10?, ? 0.5dbfs (po=400mw) - 1.79 - vrms slg1-0 bits = ?00?, ? 1.5dbfs (po=100mw) ( note 18 ) - 0.9 - vrms s/(n+d) slg1-0 bits = ?00?, ? 0.5dbfs (po=150mw) - 70 - db slg1-0 bits = ?01?, ? 0.5dbfs (po=250mw) 40 70 - db slg1-0 bits = ?10?, ? 0.5dbfs (po=400mw) - 20 - db slg1-0 bits = ?00?, ? 1.5dbfs (po=100mw) ( note 18 ) - 20 - db output noise level (a-weighted, slg1-0 bits = ?01?) - -97 -87 dbv output offset voltage -30 0 +30 mv psrr (fin = 1khz) ( note 19 ) - 50 - db load resistance 6.8 8 - load capacitance - - 30 pf stereo line output characteristics: dac lout, rout pins, alc= off, ivol=dvol=slg= 0db, r l =10k output voltage ( note 20 ) - 2.24 - vpp s/(n+d) 74 84 - db s/n (a-weighted) 84 94 - db interchannel isolation - 90 - db interchannel gain mismatch - 0 0.8 db load resistance 10 - - k load capacitance - - 30 pf note 16. ??`?R avdd ?? (typ. 0.485 x avdd vpp) note 17. avdd ? dvdd ? 100mvpp ??? note 18. svdd=1.5v r note 19. avdd ? svdd ? 100mvpp ??? note 20. ??`?R avdd ?? (typ. 0.68 x avdd vpp)
[AK4954A] ms1542-j-00-pb 2013/06 - 11 - parameter min typ max unit beep output characteristics: beep generator hpl, hpr pins, spp/spn pins, lout, rout pins output voltage (bplvl = 0db) hpl, hpr pins (r l =16 ) - 1.5 - vpp spp/spn pins (r l =8 , btl, slg = +4.26db) - 2.8 - vpp lout, rout pins (r l =10k , slg = 0db) - 1.4 - vpp gain gain setting -60 - 0 db step width - 3 - db power supplies: power up (pdn pin = ?h?) mic + adc + dac + headphone out avdd+dvdd+tvdd ( note 21 ) - 9.2 13.8 ma avdd+dvdd+tvdd ( note 22 ) - 8.2 - ma svdd (no load) - 8 12 a mic + adc + dac + speaker out avdd+dvdd+tvdd ( note 23 ) - 8.2 12.3 ma avdd+dvdd+tvdd ( note 24 ) - 7.2 - ma svdd (no load) - 0.8 1.2 ma power down (pdn pin = ?l?) ( note 25 ) avdd+dvdd+tvdd+svdd - 0 10 a svdd ( note 26 ) - 0 10 a note 21. pll master mode (mcki=12mhz) ? pmadl = pmadr = pmdac =p mpfil = pmhpl = pmhpr = pmvcm = pmpll = pmbp = pmmp = m/s bits = ?1? lpmic = lpda bits = ?0? ???? mpwr1 (mpwr2) pin 0ma ? avdd= 7.3ma (typ), dvdd= 1. 6ma (typ), tvdd= 0.3ma (typ). note 22. ext slave mode (pmpll=m/s bits =?0?) pmadl = pmadr = pmdac = pmhpl = pmhpr = pmvcm = pmbp = pmmp bits = ?1?, pm pfil = lpmic = lpda bits = ?0? ?? ? mpwr1 (mpwr2) pin 0ma ? avdd= 6.5ma (typ), dvdd= 1.6ma (typ), tvdd= 0.1ma (typ). note 23. pll master mode (mcki=12mhz) ? pmadl = pmadr = pmdac =p mpfil = pmsl = pmvcm = pmpll = pmbp = pmmp = m/s bits = ?1? lpmic = lpda bits = ?0? ???? mpwr1 (mpwr2) pin 0ma ? avdd= 6.5ma (typ), dvdd= 1.4ma (typ), tvdd= 0.3ma (typ). note 24. ext slave mode (pmpll=m/s bits =?0?) pmadl = pmadr = pmdac = pmsl = pmvcm = pmbp = pmmp bits = ?1?, pmpfil = lpmic = lpda bits = ?0? ??? mpwr1 (mpwr2) pin 0ma ? avdd= 5.7ma (typ), dvdd= 1.4ma (typ), tvdd= 0.1ma (typ). note 25. ???? tvdd ? vss2 ??r?? note 26. avdd, dvdd, tvdd off ??
[AK4954A] ms1542-j-00-pb 2013/06 - 12 - `?eM : ta=25 q c; avdd= svdd=3.3v, tvdd=dvdd=1.8v; vss1=vss2=vss3= 0v; fs=44.1khz, lpf, hpf, stereo separation, 5-band equalizer, alc, drc=off (pmpfil = pmdrc bits = ?0?), external slave mode, bick=64fs; lin1/rin1 input = o ; sdti input= o ; headphone & speaker & line output = o? power management bit mode pmvcm pmsl pmdac pmadl pmadr pmhpl pmhpr avdd [ma] dvdd [ma] tvdd [ma] svdd [ma] total power [mw] all power-down 0 0 0 0 0 0 0 0 0 0 0 0 lin1/rin1 adc ( note 27 ) 1 0 0 1 1 0 0 2.70 0.76 0.03 0.01 10.4 lin1(mono) adc ( note 27 ) 1 0 0 1 0 0 0 1.54 0.63 0.03 0.01 6.3 dac hp ( note 28 ) 1 0 1 0 0 1 1 1.49 0.69 0.01 0.01 6.2 dac spk (losel bit = ?0?) 1 1 1 0 0 0 0 1.44 0.67 0.01 0.76 8.5 lin1/rin1 adc ( note 27 ) & dac hp ( note 28 ) 1 0 1 1 1 1 1 4.07 1.60 0.03 0.01 16.4 lin1/rin1 adc ( note 27 ) & dac spk (losel bit = ?0?) 1 1 1 1 1 0 0 4.03 1.54 0.03 0.76 18.6 note 27. M`?r (lpmic bit = ?1?) note 28. M`?r (lpda bit = ?1?) table 1. power consumption for each operation mode (typ)
[AK4954A] ms1542-j-00-pb 2013/06 - 13 - adc `?`???? (fs=44.1khz) (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v; sdad bit = ?0?) parameter symbol min typ max unit adc digital filter (decimation lpf): passband ( note 29 ) +0.08db ~ ? 0.23db pb 0 - 18.8 khz ? 0.74db - 19.4 - khz ? 1.41db - 19.9 - khz ? 8.0db - 22.1 - khz stopband ( note 29 ) sb 26.1 - - khz passband ripple pr - - 0.16 db stopband attenuation sa 62 - - db group delay ( note 30 ) gd - 10.7 - 1/fs group delay distortion gd - 0 - s adc digital filter (hpf): hpfc1-0 bits = ?00? frequency response ? 3.0db fr - 3.4 - hz ( note 29 ) ? 0.5db - 10 - hz ? 0.1db - 22 - hz adc `?`???? (fs=96khz) (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v; sdad bit = ?0?) parameter symbol min typ max unit adc digital filter (decimation lpf): passband ( note 29 ) +0.08db ~ ? 0.23db pb 0 - 40.9 khz ? 0.74db - 42.2 - khz ? 1.41db - 43.3 - khz ? 8.0db - 48.0 - khz stopband ( note 29 ) sb 56.8 - - khz passband ripple pr - - 0.16 db stopband attenuation sa 62 - - db group delay ( note 30 ) gd - 10.7 - 1/fs group delay distortion gd - 0 - s adc digital filter (hpf): hpfc1-0 bits = ?00? frequency response ? 3.0db fr - 7.4 - hz ( note 29 ) ? 0.5db - 21.8 - hz ? 0.1db - 47.9 - hz note 29. &d $h_d? fs ( (fj]f#_o; ) ???&%u 1khz n0??? note 30. :+2^h^2?1?gv%?a?=`#> ?i e?
4v@^ 32 f6;:o 2? _+,2?.6;ea(4fa??j`#\qi^h^2 (1 4 hpf + 4-band equalizer + alc + equalizer) 1b1??d, 1???' group delay iir h^2?
? "? {?u??'a
.%.%0?o??? 4/fs ? ??
[AK4954A] ms1542-j-00-pb 2013/06 - 14 - adc `????`?`???? (fs=44.1khz) (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v; sdad bit = ?1?) parameter symbol min typ max unit adc digital filter (decimation lpf): passband ( note 31 ) +0.08db ~ ? 0.23db pb 0 - 18.8 khz ? 0.74db - 19.4 - khz ? 1.41db - 19.9 - khz ? 8.0db - 22.1 - khz stopband ( note 31 ) sb 26.1 - - khz passband ripple pr - - 0.16 db stopband attenuation sa 61 - - db group delay ( note 32 ) gd - 4.3 - 1/fs group delay distortion gd - - 1.8 1/fs adc digital filter (hpf): hpfc1-0 bits = ?00? frequency response ? 3.0db fr - 3.4 - hz ( note 31 ) ? 0.5db - 10 - hz ? 0.1db - 22 - hz adc `????`?`???? (fs=96khz) (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v; sdad bit = ?1?) parameter symbol min typ max unit adc digital filter (decimation lpf): passband ( note 31 ) +0.08db ~ ? 0.23db pb 0 - 40.9 khz ? 0.74db - 42.2 - khz ? 1.41db - 43.3 - khz ? 8.0db - 48.0 - khz stopband ( note 31 ) sb 56.8 - - khz passband ripple pr - - 0.16 db stopband attenuation sa 61 - - db group delay ( note 32 ) gd - 4.3 - 1/fs group delay distortion gd - - 1.3 1/fs adc digital filter (hpf): hpfc1-0 bits = ?00? frequency response ? 3.0db fr - 7.4 - hz ( note 31 ) ? 0.5db - 21.8 - hz ? 0.1db - 47.9 - hz note 31. ?? fs ( ???` ) ?? 1khz ??? note 32. ????W??????I? 32 ????` ??????rg??????? (1 hpf + 4-band equalizer + alc + equalizer) ?^?xk? group delay iir ??? o???d??? 4/fs ??
[AK4954A] ms1542-j-00-pb 2013/06 - 15 - dac ?? (fs=44.1khz) (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v) parameter symbol min typ max unit dac digital filter (lpf): passband ( note 33 ) 0.05db pb 0 - 20.0 khz ? 6.0db - 22.05 - khz stopband ( note 33 ) sb 24.1 - - khz passband ripple pr - - 0.05 db stopband attenuation sa 54 - - db group delay ( note 34 ) gd - 22 - 1/fs dac digital filter (lpf) + scf: frequency response: 0 20.0khz ( note 33 ) fr - 1.0 - db dac ?? (fs=96khz) (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v) parameter symbol min typ max unit dac digital filter (lpf): passband ( note 33 ) 0.05db pb 0 - 43.5 khz ? 6.0db - 48.0 - khz stopband ( note 33 ) sb 52.5 - - khz passband ripple pr - - 0.05 db stopband attenuation sa 54 - - db group delay ( note 34 ) gd - 22 - 1/fs dac digital filter (lpf) + scf: frequency response: 0 40.0khz ( note 33 ) fr - 1.0 - db note 33. ?? fs ( ???` ) ?? 1khz ??? note 34. ????W? 32 ????`?????? ????rg??????? (1 hpf + 4-band equalizer + alc + equalizer) ?^?xk? group delay iir ????o ??d??? 7/fs ??
[AK4954A] ms1542-j-00-pb 2013/06 - 16 - dc (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v) parameter symbol min typ max unit audio interface & serial p interface (sda, scl, pdn, bick, lrck, sdti, mcki pins ) high-level input voltage (tvdd 2.2v) (tvdd < 2.2v) low-level input voltage (tvdd 2.2v) (tvdd < 2.2v) vih vil 70%tvdd 80%tvdd - - - - - - - - 30%tvdd 20%tvdd v v v v audio interface & serial p interface (sda, bick, lrck, sdto, ovf pins output) high-level output voltage (iout = ? 80 a) low-level output voltage (except sda pin : iout = 80 a) (sda pin, 2.0v tvdd 3.5v: iout = 3ma) (sda pin, 1.6v tvdd < 2.0v: iout = 3ma) voh vol1 vol2 vol2 tvdd ? 0.2 - - - - - - - - 0.2 0.4 20%tvdd v v v v input leakage current iin - - 10 a digital mic interface (dmdat pin input ; dmic bit = ?1?) high-level input voltage low-level input voltage vih3 vil3 65%avdd - - - - 35%avdd v v sink current (vin = avdd) isink - - 150 a source current (vin = 0v) isource -20 - - a digital mic interface (dmclk pin output ; dmic bit = ?1?) high-level output voltage (iout= ? 80 a) low-level output voltage (iout= 80 a) voh3 vol3 avdd-0.4 - - - - 0.4 v v input leakage current iin - - 10 a
[AK4954A] ms1542-j-00-pb 2013/06 - 17 - ? (ta = -30 ~ 85 c; avdd=2.5 ~ 3.5v, dvdd =1.6 1.98v, tvdd=(dvdd-0.2) ~ 3.5v, svdd=0.9 5.5v; c l =20pf) parameter symbol min typ max unit pll master mode (pll reference clock = mcki pin) mcki input timing frequency fclk 11.2896 - 27 mhz pulse width low tclkl 0.4/fclk - - ns pulse width high tclkh 0.4/fclk - - ns lrck output timing frequency fs 8 - 96 khz duty cycle duty - 50 - % bick output timing period bcko bit = ?0? tbck - 1/(32fs) - ns bcko bit = ?1? tbck - 1/(64fs) - ns duty cycle dbck - 50 - % pll slave mode (pll reference clock = bick pin) lrck input timing frequency fs 8 - 96 khz duty duty 45 - 55 % bick input timing period pll2-0 bits = ?000? tbck - 1/(32fs) - ns pll2-0 bits = ?001? tbck - 1/(64fs) - ns pulse width low tbckl 0.4 x tbck - - ns pulse width high tbckh 0.4 x tbck - - ns
[AK4954A] ms1542-j-00-pb 2013/06 - 18 - parameter symbol min typ max unit external slave mode mcki input timing frequency 256fs fclk 2.048 - 24.576 mhz 384fs fclk 3.072 - 18.432 mhz 512fs fclk 4.096 - 24.576 mhz 1024fs fclk 8.192 - 12.288 mhz pulse width low tclkl 0.4/fclk - - ns pulse width high tclkh 0.4/fclk - - ns lrck input timing frequency 256fs fs 8 - 96 khz 384fs fs 8 - 48 khz 512fs fs 8 - 48 khz 1024fs fs 8 - 12 khz duty duty 45 - 55 % bick input timing period tbck 156.25 - - ns pulse width low tbckl 65 - - ns pulse width high tbckh 65 - - ns external master mode mcki input timing frequency 256fs fclk 2.048 - 24.576 mhz 384fs fclk 3.072 - 18.432 mhz 512fs fclk 4.096 - 24.576 mhz 1024fs fclk 8.192 - 12.288 mhz pulse width low tclkl 0.4/fclk - - ns pulse width high tclkh 0.4/fclk - - ns lrck output timing frequency fs 8 - 96 khz duty cycle duty - 50 - % bick output timing period bcko bit = ?0? tbck - 1/(32fs) - ns bcko bit = ?1? tbck - 1/(64fs) - ns duty cycle dbck - 50 - %
[AK4954A] ms1542-j-00-pb 2013/06 - 19 - parameter symbol min typ max units audio interface timing master mode bick ? ? to lrck edge ( note 35 ) tmblr ? 20 - 20 ns lrck edge to sdto (msb) (except i 2 s mode) tlrd ? 35 - 35 ns bick ? ? to sdto tbsd ? 35 - 35 ns sdti hold time tsdh 25 - - ns sdti setup time tsds 20 - - ns slave mode lrck edge to bick ? ? ( note 35 ) tlrb 25 - - ns bick ? ? to lrck edge ( note 35 ) tblr 25 - - ns lrck edge to sdto (msb) (except i 2 s mode) tlrd - - 45 ns bick ? ? to sdto tbsd - - 45 ns sdti hold time tsdh 25 - - ns sdti setup time tsds 20 - - ns control interface timing (i 2 c bus mode): ( note 36 ) scl clock frequency fscl - - 400 khz bus free time between transmissions tbuf 1.3 - - s start condition hold time (prior to first clock pulse) thd:sta 0.6 - - s clock low time tlow 1.3 - - s clock high time thigh 0.6 - - s setup time for repeated start condition tsu:sta 0.6 - - s sda hold time from scl falling ( note 37 ) thd:dat 0 - - s sda setup time from scl rising tsu:dat 0.1 - - s rise time of both sda and scl lines tr - - 0.3 s fall time of both sda and scl lines tf - - 0.3 s setup time for stop condition tsu:sto 0.6 - - s capacitive load on bus cb - - 400 pf pulse width of spike noise suppressed by input filter tsp 0 - 50 ns note 35. ??? lrck ? bick ? ? ??????? note 36. i 2 c-bus nxp b.v. ??? note 37. ?` 300ns (scl rg ) g????
[AK4954A] ms1542-j-00-pb 2013/06 - 20 - parameter symbol min typ max unit digital audio interface timing; fs = 8khz ~ 48khz, c l =100pf dmclk output timing period tsck - 1/(64fs) - ns rising time tsrise - - 10 ns falling time tsfall - - 10 ns duty cycle dsck 40 50 60 % audio interface timing dmdat setup time tsds 50 - - ns dmdat hold time tsdh 0 - - ns power-down & reset timing pdn accept pulse width ( note 38 ) tapd 1 - - s pdn reject pulse width ( note 38 ) trpd - - 50 ns pmadl or pmadr ? ? to sdto valid ( note 39 ) adrst1-0 bits = ?00? tpdv - 2115 - 1/fs adrst1-0 bits = ?01? tpdv - 4227 - 1/fs adrst1-0 bits = ?10? tpdv - 267 - 1/fs adrst1-0 bits = ?11? tpdv - 1059 - 1/fs pmdml or pmdmr ? ? to sdto valid ( note 40 ) adrst1-0 bits = ?00? tpdv - 2115 - 1/fs adrst1-0 bits = ?01? tpdv - 4227 - 1/fs adrst1-0 bits = ?10? tpdv - 267 - 1/fs adrst1-0 bits = ?11? tpdv - 1059 - 1/fs note 38. AK4954A ??r pdn pin ?l? ????? 1 s ? pdn pin = ?l? ??? ??? 50ns pdn pin= ?l? ????????? note 39. pmadl bit ? pmadr bit ?? lrck ? ? ? ? note 40. pmdml bit ? pmdmr bit ?? lrck ? ? ? ? v ??? lrck 1/fclk mcki tclkh tclkl vih vil 1/fs tlrckh tlrckl 50%tvdd duty = tlrckh x fs x 100 tlrckl x fs x 100 figure 3. clock timing (pll/ext master mode)
[AK4954A] ms1542-j-00-pb 2013/06 - 21 - lrck 50%tvdd bick 50%tvdd sdto 50%tvdd tbsd tsds sdti vil tsdh vih tmblr tbckl tlrd figure 4. audio interface timing (pll/ext master mode) 1/fclk mcki tclkh tclkl vih vil 1/fs lrck vih vil tbck bick tbckh tbckl vih vil tlrckh tlrckl duty = tlrckh x fs x 100 tlrckl x fs x 100 figure 5. clock timing (ext slave mode)
[AK4954A] ms1542-j-00-pb 2013/06 - 22 - lrck vih vil tblr bick vih vil tlrd sdto 50%tvdd tlrb tbsd tsds sdti vil tsdh vih msb figure 6. audio interface timing (pll/ext slave mode) stop start start stop thigh thd:dat sda scl tbuf tlow tr tf tsu:dat vih vil thd:sta tsu:sta vih vil tsu:sto tsp figure 7. i 2 c bus mode timing tsck 65%avdd dmclk 35%avdd ts ckl 50%avdd dsck = 100 x tsckl / tsck tsrise tsfall figure 8. dmclk clock timing
[AK4954A] ms1542-j-00-pb 2013/06 - 23 - dmclk 65%avdd dmdat tsds vih3 vil3 tsdh 35%avdd figure 9. audio interface timing (dclkp bit = ?1?) dmclk 65%avdd dmdat tsds vih3 vil3 tsdh 35%avdd figure 10. audio interface timing (dclkp bit = ?0?) pmadl bit, pmadr bit, pmdml bit or pmdmr bit tpdv sdto 50%tvdd figure 11. power down & reset timing 1 tapd pdn vil trpd figure 12. power down & reset timing 2
[AK4954A] ms1542-j-00-pb 2013/06 - 24 - ??` 32pin qfn (unit: mm) 2.8 0.1 0.35 0.1 2.8 0.1 1 9 16 25 4.0 0.1 4.0 0.1 b a 8 32 17 24 c0.35 exposed pad c 0.75 0.05 0.10 m c a b 0.10 c 0.40 0.20 0.05 0.20 0.55 * ??`Y exposed pad ????A? |??? ??`| : epoxy resin, ?? ( ?c ) ?` `??`| : cu alloy `??`I : solder (pb free) plate
[AK4954A] ms1542-j-00-pb 2013/06 - 25 - ?` 4954 a x xxx 1 xxxx: date code (4 digit) pin #1 indication ?s date (y/m/d) revision reason page contents 13/06/07 00
[AK4954A] ms1542-j-00-pb 2013/06 - 26 - ??????u????? ?Y???????I ???s?I??? ?? 0. ?d?u?? u??? ?u????? ??u???????????H ??dQ????I???s?I ?_J 1. ?d??u??h????H? Z????b???^??g??SZ ?? ?CO???????????? ?????????????p??? ???? 2. u???CC??C???C?C?C N??????C????g???] ?b?? ?p????????O??m????? ??????o^??????e?S Z????u??????? u?????????p?????? 3. ?|m?????u??`????? ? u?????u?`???? ]?b? ?? ????u?d??u???? ?O??? 4. u???dg???_k???????? ? ???????u???dg???? ? ???? pQ?m??vB? ??A??u???dg??t? u??????C?????? 5. u??hm????????u?e???I??? u???H???|????? rohs ??m? h vB ?{??m?????? ????pv?????? 6. ????????? ?u??????p? ??????p??a???? 7. ? ??????Z???d?}u?? ?

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