AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 22

• 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
RIGHT-JUSTIFIED
RIGHT-JUSTIFIED
LEFT-JUSTIFIED
LEFT-JUSTIFIED
I
I
2
2
S-JUSTIFIED
S-JUSTIFIED
DSDATAx
DSDATAx
DSDATAx
ASDATAx
ASDATAx
ASDATAx
DLRCLK
ALRCLK
DBCLK
ABCLK
MODE
MODE
MODE
MODE
MODE
MODE
t
t
ABH
DBH
t
ABDD
t
t
t
t
t
ABL
ALS
DBL
DLS
DDS
MSB
t
MSB
DDH
t
DBP
t
ABDD
t
DDS
MSB–1
MSB
t
MSB–1
DDH
MSB
Figure 24. DAC Serial Timing
Figure 25. ADC Serial Timing
Rev. C | Page 22 of 32
t
ABDD
t
DDS
MSB
t
DDH
MSB
t
DDS
LSB
t
t
DDH
t
DLH
LSB
ALH