AD1939WBSTZ-RL Analog Devices Inc, AD1939WBSTZ-RL Datasheet - Page 21
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AD1939WBSTZ-RL
Manufacturer Part Number
AD1939WBSTZ-RL
Description
4-ADC 8-DAC Audio Codec W/on Chip PLL
Manufacturer
Analog Devices Inc
Type
General Purposer
Datasheet
1.AD1939YSTZ.pdf
(32 pages)
Specifications of AD1939WBSTZ-RL
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 / 110
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
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
OF THE SECOND AD1939
OF THE SECOND AD1939
ASDATA1 (TDM_OUT
SDATA
SDATA
SDATA
SDATA
LRCLK
LRCLK
LRCLK
LRCLK
BCLK
BCLK
BCLK
BCLK
ASDATA2 (TDM_IN
IN THE CHAIN)
IN THE CHAIN)
NOTES
1. DSP MODE DOES NOT IDENTIFY CHANNEL.
2. LRCLK NORMALLY OPERATES AT
3. BCLK FREQUENCY IS NORMALLY 64 × LRCLK BUT MAY BE OPERATED IN BURST MODE.
ALRCLK
ABCLK
MSB
AD1939
FIRST
MSB
ADC L1 ADC R1 ADC L2 ADC R2 ADC L1 ADC R1 ADC L2 ADC R2
ADC L1 ADC R1 ADC L2 ADC R2
MSB
SECOND IC IN THE CHAIN
4 ADC CHANNELS OF
SECOND
AD1939
MSB
Figure 22. ADC TDM Daisy-Chain Mode (512 f
LEFT CHANNEL
LEFT CHANNEL
LEFT CHANNEL
f
DSP
S
RIGHT-JUSTIFIED MODE—SELECT NUMBER OF BITS PER CHANNEL
EXCEPT FOR DSP MODE, WHICH IS 2 ×
LEFT-JUSTIFIED MODE—16 BITS TO 24 BITS PER CHANNEL
I
2
S-JUSTIFIED MODE—16 BITS TO 24 BITS PER CHANNEL
LSB
DSP MODE—16 BITS TO 24 BITS PER CHANNEL
FIRST IC IN THE CHAIN
4 ADC CHANNELS OF
LSB
LSB
Figure 23. Stereo Serial Modes
Rev. C | Page 21 of 32
LSB
1/
f
S
MSB
S
f
ABCLK, Two-AD1939 Daisy Chain)
S
.
MSB
MSB
MSB
32 BITS
MSB
RIGHT CHANNEL
RIGHT CHANNEL
RIGHT CHANNEL
LSB
LSB
LSB
LSB
AD1939