MS6323ASMGU

MOSA 16-Bits Stereo Audio DAC Low Power Consumption Low Voltage, Excellent PSRR FEATURES ‧Operation range: 2.7V~5.5V ‧Excellent Power Supply Rejection Ratio(PSRR) ‧Low operating current ‧Low power consumption 8mW at VDD=3.3V (Full scale output ) ‧Low distortion ‧No zero crossing distortion ‧Wide dynamic range(16-bit resolution) ‧Voltage Output MS6323 16-Bits Stereo Audio DAC ‧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, CMOS input level ‧Output voltage swing is proportional to supply voltage (VOPP=VDD/2) ‧ Cost efficient ‧ Space saving package SOP8, MSOP8 APPLICATIONS ‧Multimedia system ‧MP3, PDA, Portable Digital Audio. DESCRIPTION The MS6323 is a 16-bit voltage-output Digital-to-Analog Converter(DAC). It gives the excellent Power Supply Rejection Ratio(PSRR). It features extremely low power dissipation, small package size and easy application. The accuracy of the weight current sources, combined with the unique symmetrical decoding method, preclude zerocrossing distortion and ensures high quality audio reproduction. These unique features, combined with its exceptional performance, make the MS6323 ideally suited for use in portable audio equipment. MS6323 is pin and function compatible with MS6313. PIN CONFIGURATION Symbol BCK WS DATA GND VDD VOL Cap 1 2 3 4 5 6 7 Pin Description Bit clock input Word select input Data input Ground Positive supply voltage Left channel output Cap DATA 3 GND 4 BCK 1 WS 2 8 VOR 7 Cap MS6323 6 VOL 5 VDD VOR 8 Right channel output Pin 7 : Capacitor = 1µF (ripple rejection) REV1 1 www.mosanalog.com.tw MOSA BLOCK DIAGRAM IBL MS6323 16-Bits Stereo Audio DAC 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 16-BIT WEIGHT CURRENT DIVIDER IREF REFERENCE CURRENT SOURCE 16-BIT WEIGHT CURRENT DIVIDER IREF REFERENCE CURRENT SOURCE IBL IBR 7 CAP LEFT INPUT LATCH BCK 1 REFERENCE SOURCE 1uF VREF 4 GND WS 2 CONTROL & TIMING RIGHT INPUT LATCH 10uF 0.1uF DATA 3 5 VDD Fig.1 Block diagram. ORDERING INFORMATION Package 8-Pin SOP 8-Pin SOP 8-Pin SOP (lead free) 8-Pin SOP (lead free) 8-Pin MSOP 8-Pin MSOP 8-Pin MSOP (lead free) 8-Pin MSOP (lead free) Part number MS6323ASTR MS6323ASU MS6323ASGTR MS6323ASGU MS6323ASMTR MS6323ASMU MS6323ASMGTR MS6323ASMGU Packaging Marking MS6323AS MS6323AS MS6323ASG MS6323ASG 6323 6323 6323G 6323G Transport Media 2.5k Units Tape and Reel 100 Units Tube 2.5k Units Tape and Reel 100 Units Tube 3.5k Units Tape and Reel 80 Units Tube 3.5k Units Tape and Reel 80 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 MSOP8 Parameter MS6323 16-Bits Stereo Audio DAC Rating 6 -2000 to 2000 -65 to 150 -40 to 85 150 260 210 235 Unit V V ℃ ℃ ℃ ℃ ℃/W OPERATING RATINGS Symbol VDD Supply Voltage Parameter Min 2.7 Typ Max 5.5 Unit V 3.3V ELECTRICAL CHARACTERISTICS (Ta=25℃, VDD=3.3V, VSS=0V, f=1kHz, Cap=1uF; unless otherwise specified) Symbol DC Characteristics VCAP VDC VFS IQ PSRR CS Res THD+N S/N 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 VFS=0.5VDD At code 0000H CAP=1uF, f=100Hz CAP=10uF, f=100Hz 1.60 1.60 1.5 45 63 78 86 1.65 1.65 1.65 2.0 50 68 84 -66 0.05 92 1.70 1.70 1.8 2.3 16 -62 0.08 V V Vpp mA dB dB dB bits dB Parameter Conditions Min Typ Max Unit AC Characteristics % dB REV1 3 www.mosanalog.com.tw MOSA 2.7V ELECTRICAL CHARACTERISTICS (Ta=25℃, VDD=2.7V, VSS=0V, f=1kHz, Cap=1uF; unless otherwise specified) Symbol DC Characteristics VCAP VDC VFS IQ PSRR CS Res THD+N S/N 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 At code 0000H CAP=1uF, f=100Hz CAP=10uF, f=100Hz VFS=0.5VDD 1.30 1.30 1.2 45 63 77 84 Parameter Conditions Min MS6323 16-Bits Stereo Audio DAC Typ 1.35 1.35 1.35 1.9 49 68 83 -66 0.05 90 Max 1.40 1.40 1.5 2.2 16 -62 0.08 - Unit V V Vpp mA dB dB dB bits dB AC Characteristics % dB TYPICAL PERFORMANCE CHARACTERISTICS (Ta=25℃, f=1kHz, Cap=1uF; unless otherwise specified) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) CHANNEL SEPARATION (dB) QUIESCENT CURRENT (mA) THD+N (%) FREQUENCY (Hz) Quiescent current vs. supply voltage e THD+N vs. supply voltage Channel separation vs. frequency CAP=22uF CAP=10uF CAP=22uF CAP=10uF PSRR (dB) CAP=1uF PSRR (dB) CAP=1uF VDD=3.3V VRR=-20dBV VDD=2.7V VRR=-20dBV FREQUENCY (Hz) FREQUENCY (Hz) PSRR vs. frequency REV1 PSRR vs. frequency 4 www.mosanalog.com.tw MOSA TIMING AND DATA FORMAT MS6323 16-Bits Stereo Audio DAC The MS6323 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 µA µA 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 5 www.mosanalog.com.tw MOSA APPLICATION INFORMATION MP3 digital to analog converting solution MS6323 BCK WS DATA GND VoR 1uF CAP 1uF VoL VDD 1.2nF 1nF 15k 22k 22k 68pF 39k MS6323 16-Bits Stereo Audio DAC 100uF Headphone (32Ω) MS6308 10Ω Supply 10uF 0.1uF 100k 1uF 100k VREF f-3dB = 17.5kHz DC gain = 1.05 VDAC out p-p = 1.65V Vout p-p = 1.75V For VDD = 3.3V Fig.4 A third order lowpass filter ( Smoothing filter ) for DAC output. MP3 DECODER DAC Headphone Driver 470pF 20k MS6323 1 SUNPLUS BCK WS DATA GND VoR CAP VoL VDD 8 7 6 5 1uF 50k 1.65VPP 50k 0.1uF VRE F 20k 2 1 3 47uF 1.65VPP SPCA751 STMicroelectronics 2 3 STA013 4 10uF 5 0.1uF 20k MS6308 PHONE JACK 7 6 22k 47uF Headphone (32Ω) 10Ω Supply 3.3V AVDD 47uF 0.1uF 450pF Fig.5 A first order lowpass filter for DAC output. REV1 6 www.mosanalog.com.tw MOSA EXTERNAL DIMENSIONS MS6323 16-Bits 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 Symbol A A1 A2 B C D H E e L H E Dimension in mm Dimension in inch Min Max Min Max 0.81 1.12 0.032 0.048 0.05 0.15 0.002 0.006 0.76 0.86 0.030 0.038 0.28 0.38 0.011 0.015 0.13 0.23 0.005 0.009 2.90 3.10 0.114 0.122 4.70 5.10 0.185 0.201 2.90 3.10 0.114 0.122 0.65 0.026 0.40 0.66 0.016 0.026 D A A2 e B L A1 C MSOP8 REV1 7 www.mosanalog.com.tw MOSA TAPE AND REEL (Unit : mm) 2.0 0.30 0.05 4.0 0.05 1.5+0.1/-0.0 DIA MS6323 16-Bits Stereo Audio DAC 1.75 0.3R MAX 5.5 0.05 12.0 0.3 5.4 3.0 3.6 6.9 8.0 1.5 MIN 0.5 Radius Typical 2.0 1.7 SOP8 2.0 0.30 0.05 4.0 0.05 1.5+0.1/-0.0 1.75 0.3R MAX 5.5 0.05 12.0 0.3 3.3 5.2 1.5 MIN 4.2 3.4 1.6 1.2 8.0 0.3 Typical MSOP8 REV1 8 www.mosanalog.com.tw