AD7837BQN View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD7837BQN Datasheet PDF : 12 Pages
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Pin
11
12
13
14
15
16
17
18
19
10
11
12
13
14–24
AD7837/AD7847
AD7847 PIN FUNCTION DESCRIPTION (DIP AND SOIC PIN NUMBERS)
Mnemonic
CSA
CSB
VREFA
VOUTA
AGNDA
VDD
VSS
AGNDB
VOUTB
VREFB
DGND
DB11
WR
DB10–DB0
Description
Chip Select Input for DAC A. Active low logic input. DAC A is selected when this input is low.
Chip Select Input for DAC B. Active low logic input. DAC B is selected when this input is low.
Reference Input Voltage for DAC A. This may be an ac or dc signal.
Analog Output Voltage from DAC A.
Analog Ground for DAC A.
Positive Power Supply.
Negative Power Supply.
Analog Ground for DAC B.
Analog Output Voltage from DAC B.
Reference Input Voltage for DAC B. This may be an ac or dc signal.
Digital Ground.
Data Bit 11 (MSB).
Write Input. WR is a positive edge triggered input which is used in conjunction with CSA and CSB
to write data to the DAC latches.
Data Bit 10 to Data Bit 0 (LSB).
AD7837 PIN CONFIGURATION
DIP AND SOIC
CS 1
24 DB0
RFBA 2
23 DB1
VREFA 3
22 DB2
VOUTA 4
21 DB3
AGNDA
VDD
VSS
5 AD7837 20 DB4
6 TOP VIEW 19 DB5
7 (Not to Scale) 18 DB6
AGNDB 8
17 DB7
VOUTB 9
16 A0
VREFB 10
DGND 11
15 A1
14 LDAC
RFBB 12
13 WR
AD7847 PIN CONFIGURATION
DIP AND SOIC
CSA 1
24 DB0
CSB 2
23 DB1
VREFA 3
VOUTA 4
22 DB2
21 DB3
AGNDA
VDD
VSS
5 AD7847 20 DB4
6 TOP VIEW 19 DB5
7 (Not to Scale) 18 DB6
AGNDB 8
17 DB7
VOUTB 9
VREFB 10
DGND 11
16 DB8
15 DB9
14 DB10
DB11 12
13 WR
REV. C
–5–
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