參數(shù)資料
型號(hào): AD1839AEB
廠商: Analog Devices, Inc.
元件分類: Codec
英文描述: 2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec
中文描述: 2的ADC,6 DAC的,96千赫,24位Σ-Δ編解碼器
文件頁數(shù): 23/24頁
文件大?。?/td> 674K
代理商: AD1839AEB
AD1839A
Rev. B | Page 23 of 24
ALRCLK
ABCLK
ASDATA
DSDATA
AD1839A NO. 1
(MASTER)
SHARC
(SLAVE)
AUX ADC
(SLAVE)
L
D
B
A
A
A
A
A
DRx
RFSx
RCLKx
TCLKx
DTx
TFSx
0
AUX ADC
(SLAVE)
L
D
B
AUX ADC
(SLAVE)
L
D
B
ALRCLK
ABCLK
ASDATA
DSDATA
AD1839A NO. 2
(SLAVE)
AUX ADC
(SLAVE)
L
D
B
A
A
A
A
A
AUX ADC
(SLAVE)
L
D
B
AUX ADC
(SLAVE)
L
D
B
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
0
256 ABCLKs
32 ABCLKs
256 ABCLKs
Figure 29. Dual AD1839A Cascade Timing
5.76k
100pF
NPO
AUDIO
INPUT
600Z
+
47
μ
F
5.76k
120pF NPO
5.76k
5.76k
750k
1nF
NPO
237
1nF
NPO
100pF
NPO
ADCxP
ADCxN
0
OP275
V
REF
V
REF
OP275
237
Figure 30. Typical ADC Input Filter Circuit
3.01k
11k
270pF
NPO
560pF
NPO
68pF
NPO
11k
150pF
NPO
1.5k
5.62k
5.62k
604
2.2nF
NPO
V
(2.25V)
OUTx
AUDIO
OUTPUT
OP275
0
Figure 31. Typical DAC Output Filter Circuit
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