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AD1839AAS Datasheet(PDF) 23 Page - Analog Devices

Part # AD1839AAS
Description  2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1839AAS Datasheet(HTML) 23 Page - Analog Devices

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AD1839A
Rev. B | Page 23 of 24
ALRCLK
ABCLK
ASDATA
DSDATA
AD1839A NO. 1
(MASTER)
SHARC
(SLAVE)
AUX ADC
(SLAVE)
DRx
RFSx
RCLKx
TCLKx
DTx
TFSx
AUX ADC
(SLAVE)
AUX ADC
(SLAVE)
ALRCLK
ABCLK
ASDATA
DSDATA
AD1839A NO. 2
(SLAVE)
AUX ADC
(SLAVE)
AUX ADC
(SLAVE)
AUX ADC
(SLAVE)
Figure 28. Dual AD1839A Cascade
AD1839A NO. 1 DACs
L1
L2
L3
L4
R1
R2
R3
R4
AD1839A NO. 2 DACs
L1
L2
L3
L4
R1
R2
R3
R4
TFSx/
RFSx
DTx
AD1839A NO. 1 ADCs
L1
L2
L3
L4
R1
R2
R3
R4
AD1839A NO. 2 ADCs
L1
L2
L3
L4
R1
R2
R3
R4
DRx
MSB
MSB – 1
LSB
BCLK
DTx
MSB
MSB – 1
LSB
DRx
DON’T CARE
256 ABCLKs
32 ABCLKs
256 ABCLKs
Figure 29. Dual AD1839A Cascade Timing
5.76k
Ω
100pF
NPO
AUDIO
INPUT
600Z
+
47
µF
5.76k
Ω
120pF NPO
5.76k
Ω
5.76k
Ω
750k
Ω
1nF
NPO
237
Ω
1nF
NPO
100pF
NPO
ADCxP
ADCxN
OP275
VREF
VREF
OP275
237
Ω
Figure 30. Typical ADC Input Filter Circuit
3.01k
Ω
11k
Ω
270pF
NPO
560pF
NPO
68pF
NPO
11k
Ω
150pF
NPO
1.5k
Ω
5.62k
Ω
5.62k
Ω
604
Ω
2.2nF
NPO
VBIAS
(2.25V)
OUTx
AUDIO
OUTPUT
OP275
Figure 31. Typical DAC Output Filter Circuit



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