AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 17

• Manufacturer Part Number: AD1938YSTZ
• Description: IC CODEC 24BIT 4ADC/8DAC 48LQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

Specifications of AD1938YSTZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 8
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 94 / 94
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 106
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Audio Codec Type: Audio
• No. Of Adcs: 4
• No. Of Dacs: 8
• No. Of Input Channels: 4
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 108dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(AUX PORT)
(AUX PORT)
(AUX PORT)
(AUX PORT)
(TDM_OUT)
(TDM_OUT)
(AUX1_IN)
(AUX2_IN)
(AUX1_IN)
(AUX2_IN)
DSDATA1
ASDATA1
DSDATA2
DSDATA3
ASDATA1
DSDATA2
DSDATA3
(TDM_IN)
ALRCLK
DLRCLK
ALRCLK
DLRCLK
ABCLK
DBCLK
ABCLK
DBCLK
ADC L1 ADC R1 ADC L2 ADC R2 AUX L1
4 ON-CHIP ADC CHANNELS
DAC L1
ADC L1
MSB
MSB
4 ON-CHIP ADC CHANNELS
DAC R1
ADC R1
MSB
MSB
MSB
MSB
32 BITS
32 BITS
LEFT
LEFT
AUXILIARY ADC CHANNELS
DAC L2
ADC L2
AUX R1
Figure 16. 16-Channel AUX ADC Mode
Figure 15. 8-Channel AUX ADC Mode
AUX L2
8 ON-CHIP DAC CHANNELS
Rev. C | Page 17 of 32
DAC R2
ADC R2
AUX R2
UNUSED UNUSED UNUSED UNUSED
DAC L3
AUX L1
DAC R3
AUX R1
4 AUX ADC CHANNELS
MSB
MSB
MSB
MSB
UNUSED SLOTS
RIGHT
RIGHT
UNUSED UNUSED UNUSED UNUSED
DAC L4
AUX L2
DAC R4
AUX R2
AD1938