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mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 1 www.mosanalog.com 16-bit stereo audio dac & headphone driver power down function, component less features ? operation range: 2.5v~5.5v ? excellent power supply rejection ratio(psrr) ? power down function ? pop noise free control (pdpr) ? no zero crossing distortion ? component less ? fast setting time permits 2*, 4*, and 8* oversampli ng (serial input) or double speed operation at 4* oversampling ? compatible with most of the japanese input formats; time multiplexed, two's complement, ttl input level . (right-justified format) ? housed in 10 pin msop package applications ? multimedia system, pda, portable digital audio, gps navigator, cellular phone. description the MS6330 is an integrated 16-bits voltage-output digital-to-analog converter (dac) and class ab ster eo headphone driver. the MS6330 is with the excellent power supply rejection ratio(psrr). it is fabricate d in a cmos process and features extremely low power dissipatio n, small package size and easy application. the acc uracy of the matched coarse current sources, combined with the u nique symmetrical decoding method, precluded zero-c rossing distortion and ensures high quality audio reproduct ion. these unique features, combined with its exceptiona l performance, make the MS6330 ideally suited for u se in digital audio equipment. block diagram + - + - v dd gnd cap bck ws data outr outl dac hp MS6330 power down pdpr pd
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 2 www.mosanalog.com pin configuration symbol pin description data 1 data input gnd 2 ground /pd 3 power down v dd 4 positive supply voltage outl 5 left channel output pdpr 6 power down preparation outr 7 right channel output cap 8 capacitor bck 10 bit clock input ws 9 word select input 9 8 7 10 2 3 4 1 bck cap outr pdpr gnd pd v dd outl 5 6 MS6330 data ws pin 8 : capacitor = 1uf~10uf ordering information package part number packaging marking transport media 10-pin msop (lead free) MS6330gtr MS6330g 3.5k unit s tape and reel 10-pin msop (lead free) MS6330gu MS6330g 80 units t ube rohs compliance absolute maximum ratings symbol parameter rating unit v dd positive supply voltage 6 v v esd electrostatic handling -3000 to 3000 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 msop10 194 /w operating ratings symbol parameter min typ max unit v dd supply voltage 2.5 - 5.5 v
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 3 www.mosanalog.com 5v electrical characteristics (ta=25 , v dd =5v, f=1khz, r l =32 ; unless otherwise specified) symbol parameter conditions min typ max unit dc characteristics v cap voltage at cap 2.45 2.5 2.55 v v dc output dc level 2.45 2.5 2.55 v i q quiescent current - 4.4 4.8 ma i pd power down current no digital input signal - 0.5 1 ua cap=2.2uf (100hz) 50 55 - db psrr power supply rejection ratio cap=10uf (100hz) 62 67 - db cs channel separation 70 75 - db v pdh power down high level 0.7v dd - - v v pdl power down low level - - 0.3v dd v v pdprh power down preparation high level 0.7v dd - - v v pdprl power down preparation low level - - 0.3v dd v ac characteristics res resolution - - 16 bits v fs full scale output voltage v fs =0.568 * v dd - 2.84 - vpp - -60 -56 db thd+n total harmonic distortion plus noise - 0.1 0.158 % s/n signal-to-noise ratio 89 95 - db po maximum output power (thd+n)/s < 0.16 % , 2ch - 63 - mw
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 4 www.mosanalog.com 3.3v electrical characteristics (ta=25 , v dd =3.3v, f=1khz, r l =32 ; unless otherwise specified) symbol parameter conditions min typ max unit dc characteristics v cap voltage at cap 1.60 1.65 1.70 v v dc output dc level 1.60 1.65 1.70 v i q quiescent current - 3.6 4 ma i pd power down current no digital input signal - 0.35 1 ua cap=2.2uf (100hz) 50 55 - db psrr power supply rejection ratio cap=10uf (100hz) 61 66 - db cs channel separation 70 75 - db ac characteristics v fs full scale output voltage v fs =0.568 * v dd - 1.87 - vpp - -60 -56 db thd+n total harmonic distortion plus noise - 0.1 0.158 % s/n signal-to-noise ratio 86 92 - db po maximum output power (thd+n)/s < 0.16 % ,2ch - 27 - mw 2.7v electrical characteristics (ta=25 , v dd =2.7v, f=1khz, r l =32 ; unless otherwise specified) symbol parameter conditions min typ max unit dc characteristics v cap voltage at cap 1.3 1.35 1.4 v v dc output dc level 1.3 1.35 1.4 v i q quiescent current - 3.3 3.7 ma i pd power down current no digital input signal - 0.28 1 ua cap=2.2uf (100hz) 50 55 - db psrr power supply rejection ratio cap=10uf (100hz) 61 66 - db cs channel separation 70 75 - db ac characteristics v fs full scale output voltage v fs =0.568 * v dd - 1.53 - vpp - -59 -55 db thd+n total harmonic distortion plus noise - 0.112 0.178 % s/n signal-to-noise ratio 84 90 - db po maximum output power (thd+n)/s < 0.18 % 18.3 - mw
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 5 www.mosanalog.com typical performance characteristics (ta=25 , r l =32 , sampling rate=4fs; unless otherwise specified) power down current (ua) supply voltage (v) quiescent current (ma) supply voltage (v) thd+n (%) supply voltage (v) power down current vs. supply voltage quiescent current vs. supply voltage thd+n vs. supply voltage psrr (db) frequency (hz) psrr (db) frequency (hz) psrr (db) frequency (hz) psrr vs. frequency psrr vs. frequency psrr vs. frequency channel separation (db) supply voltage (v) thd+n (%) frequency (hz) channel separation vs. supply voltage thd+n vs. frequency f=1khz cap=2.2uf cap=10uf v dd =5v v rr =-20dbv cap=2.2uf cap=10uf v dd =3.3v v rr =-20dbv cap=2.2uf cap=10uf v dd =2.7v v rr =-20dbv v dd =5v v dd =3.3v v dd =2.7v
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 6 www.mosanalog.com timing and data format the MS6330 accepts input serial data formats of 16- bit word length. left and right data words are time multiplexed. the msb must always be first. the form at of data input is shown in figs. 1 and 2. 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 fig.1 timing and input signals. 0 1 2 15 14 13 2 1 0 msb lsb 15 14 13 2 1 0 msb lsb right left ws bck data fig.2 format of input signals. data format (bck, ws, data) symbol parameter conditions min typ max unit v il input low level - - 0.8 v v ih input high level 2 - - v l i il l input leakage current low - - 10 a l i ih l input leakage current high - - 10 a 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 set-up 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 set-up time 12 - - ns
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 7 www.mosanalog.com pop noise reduction as power-on-off it is effective to prevent the power-on-off pop noi se by controlling /pd and pdpr pins. the better con trol timing is as below. please refer to the circuit diagram in the p age 8. vdd power-on sequence power-off sequence pdpr >350ms pd >100ms music >100ms in power-on sequence, the initial state of /pd is l ow and pdpr is high, and then pdpr sets low after t he /pd sets high at least 100ms. in power-off sequence, enable pdpr function and delay 100ms, and then sets low to /pd. power down sequence the power down sequence is a power-save mode (v dd is on), the power down current of MS6330 is less t han 1ua. the control timing is as below. disable power-down enable power-down pdpr >350ms pd >100ms delay time music the delay time is decided by the value of the bypas s capacitor. it is 5second for 10uf bypass capacita nce.
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 8 www.mosanalog.com application information basic application example bck ws data MS6330 9 10 1 digital audio input pd pdpr mcu supply 2.5~5.5v 36 2 10uf v dd 4 1uf 100uf 47uf 47uf outl outr 7 5 phone jack cap 8 gnd 32 headphone note : vo=1.87vpp at v dd =3.3v
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 9 www.mosanalog.com external dimensions msop10 package a a1 b c l d h e a2 e tape and reel (unit : mm) 3.0 3.6 12.0 6.9 8.0 5.5 1.75 5.4 2.0 4.0 1.5+0.1/-0.0 dia 0.5 radius typical 1.5 min 0.30 0.3r max 1.7 2.0 0.05 0.05 0.05 0.3 dimension in mm dimension in inch symbol min max min max a 0.81 1.12 0.032 0.044 a1 0.05 0.15 0.002 0.006 a2 0.76 0.97 0.030 0.038 b 0.15 0.20 0.006 0.012 c 0.13 0.23 0.005 0.009 d 2.90 3.10 0.114 0.122 h 4.70 5.10 0.185 0.201 e 2.90 3.10 0.114 0.122 e 0.50 0.0197 l 0.40 0.66 0.016 0.026
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 10 www.mosanalog.com demo board function description label 1: supply input the avdd and dvdd should be the same supply voltage , the supply range is 2.5~5.5 vdc. label 2: reset mcu switch as pressed the button once , the system will be loa ded default value. the MS6330 is power-down mode. label 3: power-down switch (shutdown MS6330) as pressed the button once, the chip status will be switched to power-down mode or active mode (disabl e power- down mode). the default status is power down mode i nitially. label 4: power-down led (shutdown MS6330) the MS6330 is power-down mode as the led is brightn ess. on the other hand, darkness is active-mode. label 5: digital audio input connected to digital audio signals and used right-j ustified format. label 6: headphone jack used 3.5mm diameter of headphone with 32ohm. 2 6 5 4 7 3 1
mo sa MS6330 16-bit stereo audio dac & hp driver with pd rev 1.0 11 www.mosanalog.com circuit + c2 0.1u + c3 1u 1 2 j2 avdd dvcc 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 at89c2051 1 2 y1 24m + c4 20p + c5 20p r1 10k + c1 10u s1 rst dgnd 1 2 3 4 j3 audio source agnd r3 1k r4 1k r5 1k 1 2 j1 dvcc + c6 0.1u + c7 100u 1 2 3 j5 out w2 jumper dgnd agnd d1 pd w1 jump avdd + c10 10u r2 10k r 1 g 3 l 2 j4 out agnd + c8 47u + c9 47u gnd 2 /pd 3 vdd 4 outl 5 pdpr 6 outr 7 cap 8 bck 9 data 1 ws 10 u2 MS6330 pd pdpr pd pdpr s2 pd bck ws data

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