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| MOSA MS6331 16-Bit Stereo Audio DAC & Headphone Driver 16-bit Stereo Audio DAC & Headphone Driver Component Less, Low Cost FEATURES Operation range: 2.7V~5.5V Excellent Power Supply Rejection Ratio(PSRR) No pop-noise Component less No zero crossing distortion Cost effective Fast setting time permits 2*, 4*, and 8* oversampling (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 Cost efficient Housed in 8 pin SOP package APPLICATIONS Multimedia system, MP3, PDA, Portable Digital Audio. DESCRIPTION The MS6331 is an integrated 16-bit voltage-output Digital-to-Analog Converter (DAC) and class AB stereo headphone driver. The MS6331 is with the excellent Power Supply Rejection Ratio(PSRR). It is fabricated in a CMOS process and features extremely low power dissipation, small package size and easy application. The accuracy of the matched coarse current sources, combined with the unique symmetrical decoding method, preclude zero-crossing distortion and ensures high quality audio reproduction. These unique features, combined with its exceptional performance, make the MS6331 ideally suited for use in digital audio equipment. BLOCK DIAGRAM VDD - BCK WS DATA DAC + OUTL HP + - OUTR CAP GND REV 1.0 1 www.mosanalog.com.tw MOSA PIN CONFIGURATION Symbol VDD OUTL OUTR CAP BCK WS DATA Pin 1 2 3 4 5 6 7 Description Positive supply voltage Left channel output Right channel output Capacitor Bit clock input Word select input Data input OUTR CAP 3 4 VDD OUTL 1 2 MS6331 16-Bit Stereo Audio DAC & Headphone Driver 8 7 MS6331 6 5 GND DATA WS BCK GND 8 Ground Pin 4 : Capacitor = 1uF~10uF ORDERING INFORMATION Package 8-Pin SOP 8-Pin SOP 8-Pin SOP (lead free) 8-Pin SOP (lead free) Part number MS6331TR MS6331U MS6331GTR MS6331GU Packaging Marking MS6331 MS6331 MS6331G MS6331G Transport Media 2.5k Units Tape and Reel 100 Units Tube 2.5k Units Tape and Reel 100 Units Tube ABSOLUTE MAXIMUM RATINGS Symbol VDD VESD TSTG TA TJ TS RTHJA Positive Supply Voltage Electrostatic Handling Storage Temperature Range Operating Ambient Temperature Range Maximum Junction Temperature Soldering Temperature, 10 seconds Thermal Resistance from Junction to Ambient in Free Air SOP8 Parameter Rating 6 -3000 to 3000 -65 to 150 -40 to 85 150 260 /W Unit V V 210 OPERATING RATINGS Symbol VDD Supply Voltage Parameter Min 2.7 Typ Max 5.5 Unit V REV 1.0 2 www.mosanalog.com.tw MOSA 3.3V ELECTRICAL CHARACTERISTICS (Ta=25 Symbol DC Characteristics VCAP VDC VFS IQ PSRR CS Res THD+N S/N Po Vo Voltage at CAP Output DC level Full scale output voltage Quiescent current Power supply rejection ratio Channel separation Resolution Total harmonic distortion plus noise Signal-to-noise ratio Maximum output power Maximum output voltage swing (THD+N)/S < 0.1% (THD+N)/S < 0.1% CAP=2.2uF (100Hz) CAP=10uF (100Hz) VFS=0.023663* 24 *VDD Parameter Conditions MS6331 16-Bit Stereo Audio DAC & Headphone Driver , VDD=3.3V, VSS=0V, f=1kHz, RL=32; unless otherwise specified) Min 1.60 1.60 50 61 70 86 49 2.5 Typ 1.65 1.65 1.87 3.6 55 66 75 -60 0.1 92 52 2.6 Max 1.70 1.70 4 16 -56 0.158 Unit V V V mA dB dB dB bits dB % dB mW Vpp AC Characteristics REV 1.0 3 www.mosanalog.com.tw MOSA TYPICAL PERFORMANCE CHARACTERISTICS (Ta=25 , RL=32, sampling rate=4fs; unless otherwise specified) MS6331 16-Bit Stereo Audio DAC & Headphone Driver QUIESCENT CURRENT (mA) THD+N (%) VDD=5V VDD=3.3V VDD=2.7V THD+N (%) f=1kHz SUPPLY VOLTAGE (V) FREQUENCY (Hz) SUPPLY VOLTAGE (V) Quiescent current vs. supply voltage THD+N vs. frequency THD+N vs. supply voltage CAP=10uF CAP=10uF CAP=10uF PSRR (dB) PSRR (dB) CAP=2.2uF CAP=2.2uF PSRR (dB) CAP=2.2uF VDD=5V VRR=-20dBV VDD=3.3V VRR=-20dBV VDD=2.7V VRR=-20dBV FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) PSRR vs. frequency PSRR vs. frequency PSRR vs. frequency CHANNEL SEPARATION (dB) SUPPLY VOLTAGE (V) Channel separation vs. supply voltage REV 1.0 4 www.mosanalog.com.tw MOSA TIMING AND DATA FORMAT MS6331 16-Bit Stereo Audio DAC & Headphone Driver The MS6331 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 format of data input is shown in Figs. 1 and 2. LEFT RIGHT tr tHB tf tLB tHW tSW WS BCK tcr LSB MSB tSD tHD DATA Fig.1 Timing and input signals. WS LEFT RIGHT BCK DATA 2 1 0 15 MSB 14 13 2 1 0 LSB 15 MSB 14 13 2 1 0 LSB Fig.2 Format of input signals. Data format (BCK, WS, DATA) Symbol Parameter VIL VIH Input LOW level Input HIGH level Input Leakage Current LOW Input Leakage Current HIGH Input Clock Frequency Bit Rate Data Input Word Select Input Rise Time Fall Time Bit Clock Cycle Time Bit Clock High Time Bit Clock Low Time Data Set-up Time Data Hold Time to Bit Clock Word Select Hold Time Word Select Set-up Time Conditions Min 0.7VDD 54 15 15 12 2 2 12 Typ - Max 0.3VDD 10 10 18.4 18.4 384 12 12 - Unit V V l I IL l l I IH l f BCK BR A A MHz Mbits/s kHz ns ns ns ns ns ns ns ns ns fWS tr tf t Cr t HB t LB t SD t HD t HW t SW REV 1.0 5 www.mosanalog.com.tw MOSA APPLICATION INFORMATION Basic application example MS6331 5 MS6331 16-Bit Stereo Audio DAC & Headphone Driver Digital audio input BCK WS DATA GND CAP OUTR OUTL VDD 4 3 10uF 6 7 8 47uF 2 47uF 1 PHONE JACK Headphone (32 ) VDD Note : Vo=1.95Vpp at VDD =3.3V REV 1.0 6 www.mosanalog.com.tw MOSA EXTERNAL DIMENSIONS MS6331 16-Bit Stereo Audio DAC & Headphone Driver 8 5 Symbol Dimension in mm Min Max 1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 4.80 5.00 5.80 6.20 3.80 4.00 1.27 BSC 0.40 1.27 Dimension in inch Min Max 0.0532 0.0688 0.0040 0.0098 0.013 0.020 0.0075 0.0098 0.1890 0.1968 0.2284 0.2440 0.1497 0.1574 0.050 BSC 0.016 0.050 H E 1 4 D A A1 B C D H E e L L A A1 e B C SOP8 TAPE AND REEL (Unit : mm) 2.0 0.30 0.05 4.0 1.75 0.3R MAX 5.5 0.05 12.0 0.3 5.4 0.05 1.5+0.1/-0.0 DIA 3.0 3.6 6.9 8.0 1.5 MIN 0.5 Radius Typical 2.0 1.7 SOP8 REV 1.0 7 www.mosanalog.com.tw |
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