AD1837AAS Analog Devices Inc, AD1837AAS Datasheet - Page 7

• Manufacturer Part Number: AD1837AAS
• Description: IC CODEC 2ADC/8DAC 24BIT 52-MQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

Specifications of AD1837AAS

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 8
• 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-AD1837AEB - BOARD EVALUATION FOR AD1837A

Pin Number
1, 39
2
3
4
5, 10, 16, 24, 30, 35
6, 12, 25, 31
7, 13, 26, 32
8, 14, 27, 33
9, 15, 28, 34
11, 19, 29
17
18
20
21
22
23
36
37
38
40, 52
41 to 44
45
46
47
48
49
50
51
REV. A
Mnemonic
DVDD
CLATCH
CIN
PD/RST
AGND
NC
OUTLx
NC
OUTRx
AVDD
FILTD
FILTR
ADCLN
ADCLP
ADCRN
ADCRP
M/S
DLRCLK
DBCLK
DGND
DSDATAx
ABCLK
ALRCLK
MCLK
ODVDD
ASDATA
COUT
CCLK
CLATCH
PD/RST
OUTR1
OUTL1
OUTL2
AGND
AGND
DVDD
AVDD
NC = NO CONNECT
CIN
NC
NC
NC
10
11
12
13
1
2
3
4
5
6
7
8
9
14
52
PIN FUNCTION DESCRIPTIONS
Input/
Output
I
I
I
O
O
I
I
I
I
I
I/O
I/O
I
I/O
I/O
I
O
O
I
15
51
16
50
PIN CONFIGURATION
17
49
18
48
(Not to Scale)
AD1837A
Description
Digital Power Supply. Connect to digital 5 V supply.
Latch Input for Control Data.
Serial Control Input.
Power-Down/Reset.
Analog Ground.
Not Connected.
DACx Left Channel Output.
Not Connected.
DACx Right Channel Output.
Analog Power Supply. Connect to analog 5 V supply.
Filter Capacitor Connection. Recommended 10 mF/100 nF.
Reference Filter Capacitor Connection. Recommended 10 mF/100 nF.
ADC Left Channel Negative Input.
ADC Left Channel Positive Input.
ADC Right Channel Negative Input.
ADC Right Channel Positive Input.
ADC Master/Slave Select.
DAC LR Clock.
DAC Bit Clock.
Digital Ground.
DACx Input Data (Left and Right Channels).
ADC Bit Clock.
ADC LR Clock.
Master Clock Input.
Digital Output Driver Power Supply.
ADC Serial Data Output.
Output for Control Data.
Control Clock Input for Control Data.
TOP VIEW
19
47
–7–
20
46
21
45
22
44
23
43
24
42
25
41
26
40
39
38
37
36
35
34
33
32
31
30
29
28
27
DVDD
DBCLK
DLRCLK
AGND
OUTR4
NC
OUTL4
NC
AGND
AVDD
OUTR3
NC
M/S
AD1837A