AD1839AAS Analog Devices Inc, AD1839AAS Datasheet - Page 23

• Manufacturer Part Number: AD1839AAS
• Description: IC CODEC 2ADC/6DAC 24BIT 52-MQFP
• Manufacturer: Analog Devices Inc
• Type: Stereo Audior

Specifications of AD1839AAS

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 6
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 105 / 108
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 108
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-BQFP
• For Use With: EVAL-AD1839AEB - BOARD EVALUATION FOR AD1839A

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