AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 18

• 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

AD1938
(AUX1_OUT)
(AUX2_OUT)
(AUX PORT)
(AUX PORT)
(TDM_OUT)
(AUX1_IN)
(AUX2_IN)
DSDATA1
ASDATA1
DSDATA2
DSDATA3
ASDATA2
DSDATA4
(TDM_IN)
ALRCLK
DLRCLK
ABCLK
DBCLK
EMPTY
ADC L1 ADC R1 ADC L2 ADC R2
4 ON-CHIP ADC CHANNELS
UNUSED SLOTS
EMPTY
EMPTY
MSB
MSB
MSB
MSB
EMPTY
LEFT
DAC L1 DAC R1 DAC L2 DAC R2 DAC L3 DAC R3 DAC L4 DAC R4
AUX L1
AUXILIARY ADC CHANNELS
Figure 17. Combined AUX DAC and ADC Mode
AUX R1
AUX L2
8 ON-CHIP DAC CHANNELS
Rev. C | Page 18 of 32
AUX R2
UNUSED UNUSED UNUSED UNUSED
MSB
MSB
MSB
MSB
UNUSED SLOTS
RIGHT
UNUSED UNUSED UNUSED UNUSED
AUX L1
AUXILIARY DAC CHANNELS
AUX DAC PORTS
AUX R1
APPEAR AT
AUX L2
AUX R2