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| MOSA MS6310 Low Cost 16-Bit Stereo Audio DAC Low Cost 16-Bit Stereo Audio DAC FEATURES Cost effective Low distortion No zero crossing distortion Output voltage swing is proportional to supply voltage (VOPP=VDD/2) Space saving package SOP8 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 APPLICATIONS VCD Player, DVD Player CD-ROM, DVD-ROM, CD-RW, DVD-RW DESCRIPTION The MS6310 is a voltage-output Digital-to-Analog Converter (DAC). The accuracy of the weight current sources, combined with the unique symmetrical decoding method, preclude zero-crossing distortion and ensures high quality audio reproduction. The MS6310 is pin and function compatible with MS6311, Philips TDA1311. PIN CONFIGURATION Symbol BCK WS DATA GND VDD VOL n.c. VOR 1 2 3 4 5 6 7 8 Pin Description Bit clock input Word select input Data input Ground Positive supply voltage Left channel output not connected Right channel output BCK 1 WS 2 DATA 3 GND 4 8 VOR MS6310 7 n.c. 6 VOL 5 VDD REV1 1 www.mosanalog.com.tw MOSA BLOCK DIAGRAM MS6310 Low Cost 16-Bit Stereo Audio DAC IBL RF 6 VOUT LEFT LEFT OUTPUT LATCH RIGHT OUTPUT LATCH IBR OP1 VREF RF 8 OP2 VREF LEFT BIT SWITCHS RIGHT BIT SWITCHS VOUT RIGHT VREF 16-BIT MATCHED CURRENT DIVIDER 16-BIT MATCHED CURRENT DIVIDER VREF IBL IREF IBR LEFT INPUT LATCH BCK 1 REFERENCE SOURCE WS 2 RIGHT INPUT LATCH CONTROL & TIMING VREF 5 VDD DATA 3 10uF 0.1uF 4 GND Fig.1 Block diagram. ORDERING INFORMATION Package 8-Pin SOP 8-Pin SOP 8-Pin SOP (lead free) 8-Pin SOP (lead free) Part number MS6310CSTR MS6310CSU MS6310CSGTR MS6310CSGU Packaging Marking MS6310CS MS6310CS MS6310CSG MS6310CSG Transport Media 2.5k Units Tape and Reel 100 Units Tube 2.5k Units Tape and Reel 100 Units Tube REV1 2 www.mosanalog.com.tw MOSA 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 MS6310 Low Cost 16-Bit Stereo Audio DAC Rating 6 -2000 to 2000 -65 to 150 -40 to 85 150 260 Unit V V 210 /W OPERATING RATINGS Symbol VDD Supply Voltage Parameter Min 2.7 Typ Max 5.5 Unit V 5V ELECTRICAL CHARACTERISTICS (Ta=25 Symbol DC Characteristics VDC VFS IQ CS Res THD+N S/N Output DC level Full scale output voltage Quiescent current Channel separation Resolution Total harmonic distortion plus noise Signal-to-noise ratio A-weighted at code 0000H VFS=0.5VDD At code 0000H 2.3 2.3 75 80 2.5 2.5 3.4 80 -57 0.14 85 2.7 2.7 6 16 -51 0.28 V Vpp mA dB bits dB , VDD=5V, f=1kHz; unless otherwise specified) Parameter Conditions Min Typ Max Unit AC Characteristics % dB REV1 3 www.mosanalog.com.tw MOSA TIMING AND DATA FORMAT MS6310 Low Cost 16-Bit Stereo Audio DAC The MS6310 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. 2 and 3. With a HIGH level on the word select input (WS), data is placed in the left input register and with LOW level on the WS input, data is placed in the right register (Fig. 1). The data in the input registers are simultaneously latched in the output registers which control the bit switches. Internal bias currents IBL and IBR are each added to the full scale output current IFS in order to achieve the maximum dynamic range at the outputs of OP1 and OP2 (Fig. 1). In this way the maximum dynamic range is achieved over the entire power supply range. LEFT RIGHT tr tHB tf tLB tHW tSW WS BCK tcr LSB MSB tSD tHD DATA Fig.2 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.3 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 Format of input signals. 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 REV1 4 www.mosanalog.com.tw MOSA APPLICATION INFORMATION Basic application example MS6310 Low Cost 16-Bit Stereo Audio DAC A typical example of a CD-application with the MS6310 is shown in Fig.4. It features typical decoupling components and a second-order analog post-filter (smoothing filter) stage providing a line output. 420pF 1 2 3 4 BCK WS DATA GND VoR N.C VoL VDD 8 7 6 5 420pF Headphone (32 ) 50k 50k Headphone (32 ) MS6308 100pF MS6310 10 VDD 47uF 0.1uF 50k 50k MS6308 100pF Fig.4 Example of a 2nd order filter application. VCD player DAC Dual Operational Amplifier VCC =12V 180pF 51k 10uF VOR 10k (2.0 Vrms) 1uF 1 2 3 4 8 7 6 5 100k 1uF 1uF 100k 22k 2 1 3 8 BCK WS DATA GND VoR N.C VoL VDD VRE F 4558 5 22k 7 6 4 MS6310 VDD =5V 51k 10uF VOL 10k 180pF Fig.5 A 1st order filter for VCD player. REV1 5 www.mosanalog.com.tw MOSA EXTERNAL DIMENSIONS MS6310 Low Cost 16-Bit Stereo Audio DAC 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 REV1 6 www.mosanalog.com.tw |
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