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mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 1 www.mosanalog.com 16-bit stereo audio dac dual 1.6w power amplifiers features ? operation range: 2.4v~5.5v ? 16bit resolution audio dac ? output mode : speaker( btl)/headphone(se) ? btl output power, thd+n<0.16% r l =4, 1.6w at 5v, 0.70w at 3.3v, 340mw at 2.4v r l =8, 0.83w at 5v, 0.35w at 3.3v, 170mw at 2.4v ? se output power, thd+n<0.1% r l =32, 46mw at 5v, 20mw at 3.3v, 10mw at 2.4v ? audio format : i 2 s, right justified, left justified ? control interface : i 2 c ? excellent power supply rejection ratio(psrr) ? flexibility power management ? component less ? reduce pop noise circuit ? housed in tssop16 package, enhanced thermal pad applications multimedia system, portable digital audio. description the MS6336 is a 16bits voltageoutput digitaltoa nalog converter (dac) integrated class ab stereo he adphone driver and stereo speaker power amplifier. it can d rive 1.6w of continuous average power into a dual 4 bridged tied (btl) speaker or 2 * 46mw into stereo 32 single en ded (se) headphone. the 16bit dac supports popular formats as i2s, right justified, and left justified. all of the functions are set by i2c interface. the MS6336 has good features for portable equipment , including wide voltage operation 2.4v~5.5v, low p ower consumption, flexible power management, component l ess and small package tssop16, make the MS6336 idea lly suitable for use in the portable digital audio equi pments. block diagram data -1 -1 -1 -1 16-bit audio dac bck ws cap av dd av ss scl sda supply power amplifier supply pv ddr pv ssr pv ddl pv ssl i 2 c interface outr+ outr- outl+ outl-
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 2 www.mosanalog.com pin configuration note: 1. se: single ended. btl: bridgedtied load ordering information package part number packaging marking transport media 16pin tssop (lead free) MS6336tgtr MS6336g 2.5k uni ts tape and reel 16pin tssop (lead free) MS6336tgu MS6336g 90 units tube rohs compliance absolute maximum ratings symbol parameter rating unit v dd supply voltage 6 v v esd electrostatic handling 2000 v t stg storage temperature range 65 to 150 t a operating ambient temperature range 40 to 85 t j maximum junction temperature 150 t s soldering temperature, 10 seconds 260 r thja thermal resistance from junction to ambient in free air tssop16 (enhance thermal pad) 51 /w symbol pin description ws 1 audio word select input bck 2 audio bit clock input cap 3 capacitor connected av ss 4 negative supply voltage outr 5 se right channel output or negative output of btl right channel pv ddr 6 positive supply voltage for right channel of power amplifier outr+ 7 positive output of btl right channel pv ssr 8 negative supply voltage for right channel of power amplifier pv ssl 9 negative supply voltage for left channel of power amplifier outl+ 10 positive output of btl left channel pv ddl 11 positive supply voltage for left channel of power amplifier outl 12 se left channel output or negative output of btl left channel av dd 13 positive supply voltage sda 14 i 2 c data input scl 15 i 2 c clock input data 16 audio data input 15 14 13 16 2 3 4 1 data scl sda av dd ws bck cap av ss 11 10 9 12 6 7 8 5 pv ddl outl+ outr- outr+ pv ssl outl- pv ddr pv ssr thermal pad MS6336, tssop16
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 3 www.mosanalog.com operating ratings symbol parameter min typ max unit v dd supply voltage 2.4 5 5.5 v 5v electrical characteristics (ta=25 , v dd =5v, v ss =0v, sampling rate 4fs, fs= 44.1khz, f=1khz; unless otherwise specified) symbol parameter conditions min typ max unit dc characteristics v cap voltage at cap 0.5v dd 0.05 0.5v dd 0.5v dd +0.05 v v dc output dc level 0.5v dd 0.05 0.5v dd 0.5v dd +0.05 v v fsdac full scale output voltage of dac v fs =0.72 * v dd v fs 1.5% v fs v fs +1.5% v audio code 0000h, btl 12.3 audio code 0000h, se 9.5 lch (rch) pd, btl dac active 8 i q quiescent current lch (rch) pd, se dac active 6.5 ma all devices power down 0.3 i pd power down current all devices power down, except cap=1/2 vdd 12 ua btl mode, r l =8 , v fs 95 db cs channel separation se mode, r l =32 , v fs 90 db ac characteristics res resolution 16 bits btl mode , r l =8 cap=1uf, f=200hz 58 db psrr power supply rejection ratio se mode , r l =32 cap=1uf, f=200hz 65 db 67 62 db thd+n total harmonic distortion plus noise se mode, r l =32 , v fs 0.0447 0.079 % s/n signaltonoise ratio se mode, aweighting, v fs 86 90 db btl mode, r l = 4 thd+n = 0.33% 1.44 1.6 w btl mode, r l = 8 thd+n = 0.15 % 0.75 0.83 w po maximum output power se mode, r l = 32 thd+n = 0.042% 41.4m 46m w bus characteristics v i2ch serial interface high input level 2 v v i2cl serial interface low input level 0.8 v
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 4 www.mosanalog.com 3.3v electrical characteristics (ta=25 , v dd =3.3v, v ss =0v, sampling rate 4fs, fs= 44.1khz, f=1khz; unless otherwise specified) symbol parameter conditions min typ max unit dc characteristics audio code 0000h, btl 10.9 audio code 0000h, se 8.3 lch (rch) pd, btl dac active 6.9 i q quiescent current lch (rch) pd, se dac active 5.5 ma ac characteristics 65 60 db thd+n total harmonic distortion plus noise se mode, r l =32 , v fs 0.0562 0.1 % btl mode, r l = 4 thd+n = 0.25% 0.63 0.70 w btl mode, r l = 8 thd+n = 0.14 % 0.32 0.35 w po maximum output power se mode, r l = 32 thd+n = 0.052% 18m 20m w 2.4v electrical characteristics (ta=25 , v dd =2.4v, v ss =0v, sampling rate 4fs, fs= 44.1khz, f=1khz; unless otherwise specified) symbol parameter conditions min typ max unit dc characteristics audio code 0000h, btl 9.6 audio code 0000h, se 6.8 lch (rch) pd, btl dac active 5.8 i q quiescent current lch (rch) pd, se dac active 4.7 ma ac characteristics 63 58 db thd+n total harmonic distortion plus noise se mode, r l =32 , v fs 0.071 0.126 % btl mode, r l = 4 thd+n = 0.85% 0.31 0.34 w btl mode, r l = 8 thd+n = 0.17 % 0.15 0.17 w po maximum output power se mode, r l = 32 thd+n = 0.07% 9m 10m w
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 5 www.mosanalog.com typical performance characteristics (ta=25 , sampling rate=4fs, fs= 44.1khz; unless otherwise specified) thd+n (%) supply voltage (v) thd+n (%) supply voltage (v) thd+n (%) supply voltage (v) thd+n vs. supply voltage thd+n vs. supply voltage thd+n vs. supply voltage thd+n (%) frequency (hz) thd+n (%) frequency (hz) thd+n (%) frequency (hz) thd+n vs. frequency thd+n vs. frequency thd+n vs. frequency thd+n (%) frequency (hz) thd+n (%) frequency (hz) thd+n (%) frequency (hz) thd+n vs. frequency thd+n vs. frequency thd+n vs. frequency v dd =2.4v, v fs btl, 8ohm v dd =5v, v fs btl, 8ohm v dd =3.3v, v fs btl, 8ohm v dd =2.4v, v fs btl, 4ohm v dd =5v, v fs btl, 4ohm v dd =3.3v, v fs btl, 4ohm se, 32ohm f=1khz, v fs btl,4ohm, f=1khz, v fs btl, 8ohm f=1khz, v fs
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 6 www.mosanalog.com thd+n (%) frequency (hz) thd+n (%) frequency (hz) thd+n (%) frequency (hz) thd+n vs. frequency thd+n vs. frequency thd+n vs. frequency channel separation (db) supply voltage (v) channel separation (db) supply voltage (v) quiescent current (ma) supply voltage (v) channel separation vs. supply voltage channel separation vs. supply voltage quiescent current vs. supply voltage psrr (db) frequency (hz) psrr (db) frequency (hz) quiescent current (ma) supply voltage (v) psrr vs. frequency psrr vs. frequency quiescent current vs. supply voltage v dd =2.4v, v fs se, 32ohm v dd =5v, v fs se, 32ohm v dd =3.3v, v fs se, 32ohm v fs ,f=1khz btl, 8ohm v fs ,f=1khz se, 32ohm se btl all devices activate. v dd =5v btl, 8ohm v dd =5v se, 32ohm cap=10u cap=1uf cap=1uf cap=10u se btl lpd or rpd dac activates.
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 7 www.mosanalog.com audio timing and format the MS6336 accepts input serial data formats of 16 bit word length. left and right data words are time multiplexed. the msb must always be first. right ws bck data lsb msb t r t hb t f t cr t lb t hw t sw left t sd t hd audio data format (bck, ws, data) symbol parameter conditions min typ max unit v il input low level 2 v v ih input high level 0.8 v f bck input clock frequency 18.4 mhz br bit rate data input 18.4 mbits/s f ws word select input 384 khz t r rise time 12 ns t f fall time 12 ns t c r bit clock cycle time 54 ns t hb bit clock high time 15 ns t lb bit clock low time 15 ns t sd data setup time 12 ns t hd data hold time to bit clock 2 ns t hw word select hold time 2 ns t sw word select setup time 12 ns
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 8 www.mosanalog.com right justified format 0 1 2 15 14 13 2 1 0 msb lsb 15 14 13 2 1 0 msb lsb right left ws bck data left justified format 15 14 13 2 1 0 msb lsb 15 14 13 2 1 0 msb lsb right left ws bck data 15 msb i2s format 15 14 13 2 1 0 msb lsb right left ws bck data 1 bck 1 bck 15 14 13 2 1 0 msb lsb
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 9 www.mosanalog.com i 2 c control interface data are transmitted to and from the mcu and MS6336 via the sda and scl. the sda and scl make up the bus interface. it should be noted that pullup resi stors must be connected to the positive supply volt age. sda (serial data line) rp rp scl (serial clock line) pull up resistors v dd mcu MS6336 i 2 c interface protocol the format consists of the following: ? a start condition ? a chip address byte including the chip address. (7b its) ? the 8 th bit of the byte must be 0.(write=0, read=1) ? the chip must always acknowledge the end of each tr ansmitted byte. ? a data sequence (nbytes + acknowledge) ? a stop condition scl sda 1-7 8 9 1-7 8 9 9 8 1-7 s p address r / w ack ack ack data data start condition stop condition i 2 c chip address 88h 1 0 0 0 0 0 1 0 7 bits address w
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 10 www.mosanalog.com i 2 c data bytes description msb lsb function 1 1 0 dac pd lpd rpd pdpr cap pd power down mode 1 1 1 s/b dac mute dac mute af1 af0 output mode (se/btl), dac mute, and audio format power down mode msb lsb function 1 1 0 dac pd rpd lpd pdpr cap pd power mode selection and power management 0 dac is active mode 1 dac is power down mode 0 rch pa output is active mode 1 rch pa output is power down mode 0 lch pa output is active mode 1 lch pa output is power down mode 0 disable preparation for power off 1 enable preparation for power off 0 set the voltage of cap to middle of supply voltage 1 pull down cap pin to ground initial state: all are the power down modes. enable the power down preparation before the chip w ill be shut down. 16-bit dac -1 -1 -1 -1 dacpd lpd rpd output mode (se/btl), dac mute and audio format msb lsb function 1 1 1 s/b dac mute dac mute af1 af0 output mode and audio format 0 output mode is btl 1 output mode is se 0 0 dac is muteon 1 1 dac is muteoff 0 0 right justified format 1 0 left justified format 0 1 1 1 i 2 s format initial state: output mode is btl mode, dac is mute on and right justified format
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 11 www.mosanalog.com initial chip status msb lsb function 1 1 0 1 1 1 1 1 power down mode 1 1 1 0 0 0 0 0 output mode (se/btl), dac mute, and audio format i 2 c code example power down mode set the builtin dac to be power down mode. ack start MS6336 address ack 1 1 0 1 0 0 0 0 dac power down stop dacpd output mode and audio format set the output mode to be btl mode, and the dac to be muteoff, i2s format. ack start MS6336 address ack 1 1 1 0 1 1 1 1 btl mode, i2s stop output mode audio format
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 12 www.mosanalog.com operation procedure the sequence of operation: power on active power down active power off. the basic flowcharts ar e as follows: for hp mode and hp/btl mode for btl mode only
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 13 www.mosanalog.com application information a base application circuit output mode operation -- se mode and btl mode the output has two modes, se mode and btl mode. the mode is selected by i2c code via mcu. in btl mode, the outputs of a1(b1) and a2(b2) are t hen used to drive the speakers(4 /8 ). outr+ outr- outl+ outl- -1 -1 -1 -1 scl sda i 2 c interface r l 4 / 8 r l 4 / 8 a1 a2 b1 b2 in the se mode, the amplifiers a2 and b2 are shutdo wn, and become the high output impedance states. outr- outl- -1 -1 -1 -1 scl sda i 2 c interface r l 16 / 32 100uf 1k headphone jack shutdown shutdown 100uf 1k a1 a2 b1 b2
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 14 www.mosanalog.com headphone sense the output mode is se or btl that is decided by a h eadphone. it has to be set se mode when a headphone is plugin status. the output mode is selected by i2c command code by mcu. please note that the MS6336 dont dete ct a headphone automatically. thus a detect function is executed via mcu. an operation diagram is shown as follows: outl- outl+ 100uf 1k r l 8 outr- outr+ 100uf 1k r l 8 scl sda headphone jack mcu MS6336 100k v dd hp_sense 100k 1uf the hp_sense pin is high when a headphone is plugi n. the hp_sense pin is low when a headphone is not plu gin.
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 15 www.mosanalog.com external dimensions tssop16 (thermal pad) e d c detail a l ? e1 a a1 b e a2 y d2 e2 l1 dimension in mm dimension in inches symbol min nom max min nom max a - - 1.15 - - 0.045 a1 0.00 - 0.10 0.000 - 0.004 a2 0.80 1.00 1.05 0.031 0.039 0.041 b 0.19 - 0.30 0.007 - 0.012 c 0.09 - 0.20 0.004 - 0.008 d 4.90 5.00 5.10 0.193 0.197 0.201 d2 3.7 3.8 3.9 0.146 0.150 0.154 e 6.20 6.4 6.60 0.244 0.252 0.260 e1 4.30 4.40 4.50 0.169 0.173 0.177 e2 2.7 2.8 2.9 0.106 0.110 0.114 e - 0.65 - - 0.026 - l 0.45 0.60 0.75 0.018 0.024 0.030 l1 0.90 1.00 1.10 0.035 0.039 0.043 0 o - 8 o 0 o - 8 o y - - 0.10 - - 0.004
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 16 www.mosanalog.com demo board function description label 1: supply input supply voltage range is 2.4v to 5.5v. label 2: reset all i/o pins are reset to default values. label 3: headphone jack used 3.5mm diameter of headphone with 32ohm label 4: speaker output connected to speaker with 8ohm or 4 ohm label 5: digital signal input connected to digital audio formats as i2s, right ju stified and left justified. label 6: led indicator the leds indicate the chip status and ir received s tatus. it keeps on a light state when the MS6336 is active. the other hand, keeps on a dark state when the ms6836 is powe roff. it is reddark blink once when the mcu has r eceived the function code correctly. se mode and btl mode operation the headphone controls operational mode. system ent ers se mode when headphone jack is empty. when a set of headphone plugged into the jack, the system switched to btl mode. 1 2 3 4 5 6
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 17 www.mosanalog.com ir controller power on/off : the system power keys. power on, the chip is activating when the led indic ator is on a light state. power off, the chip is poweroff when the led indic ator is on a dark state. mute on/off : the mute keys. mute on, the output channels are no signals in mute state. mute off, the output channels are normal. i2s, ljf, rjf: the digital input format keys. there are three formats can be selected that is i2s , left justified and right justified.
mo sa MS6336 16-bit audio dac integrated dual 1.6w power amplifi ers rev1.0 18 www.mosanalog.com circuit + c3 0.1u + c11 1u + c4 1u 1 2 j2 avcc sp1 spk_r sp2 spk_l dvdd p3.7 11 rst 1 p1.0 12 p3.0 2 p1.1 13 p3.1 3 p1.2 14 xtal2 4 p1.3 15 xtal1 5 p1.4 16 p3.2 6 p1.5 17 p3.3 7 p1.6 18 p3.4 8 p1.7 19 p3.5 9 vcc 20 gnd 10 u1 at89c4051 vs 1 ir 3 gnd 2 q1 ir + c1 47u + c5 470p r1 220 r2 10k 1 2 y1 24m + c6 20p + c7 20p r4 10k + c2 10u s1 rst dgnd ir_in dgnd 1 2 3 4 j3 dac_in agnd ir_in scl sda scl sda r7 1k r8 1k r9 1k 1 2 j1 dvdd + c9 0.1u + c10 1u hpin 1 hpr 2 r 3 hpl 4 l 5 g 6 headphone + c16 100u + c15 100u r11 1k r10 1k 1 2 3 j5 out r6 100k hp_in + c12 1u + c13 1u + c8 1u w2 jumper dgnd agnd d1 power r3 1k w1 jump avcc r5 100k ws 1 bck 2 cap 3 avss 4 outr 5 pvddr 6 +outr 7 pvssr 8 pvssl 9 +outl 10 pvddl 11 outl 12 avdd 13 sda 14 scl 15 data 16 u2 MS6336 + c14 1u 3 1 2 q2 nmos avcc

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