Datasheet

ADS1212, 1213
36
SBAS064A
ADS1212
A
IN
P
A
IN
N
AGND
V
BIAS
CS
DSYNC
X
IN
X
OUT
DGND
REF
IN
REF
OUT
AV
DD
MODE
DRDY
SDOUT
SDIO
SCLK
DV
DD
C
2
6pF
C
1
6pF
DV
DD
AGND
DGND
AGND
AV
DD
DV
DD
DGND
1/2 OPA1013
3kΩ
AGND
XTAL
AGND
1.0µF
FIGURE 37. Bridge Transducer Interface with Voltage Excitation.
FIGURE 38. Bridge Transducer Interface with Current Excitation.
ADS1212
A
IN
P
A
IN
N
AGND
V
BIAS
CS
DSYNC
X
IN
X
OUT
DGND
REF
IN
REF
OUT
AV
DD
MODE
DRDY
SDOUT
SDIO
SCLK
DV
DD
C
2
6pF
C
1
6pF
XTAL
DV
DD
DGND
DGND
AGND
DGND
AGND
AV
DD
DV
DD
INA118
10kΩ
1
3
5
8
2
6
R
G
+In
–In
R
1
6kΩ
7
AB
O
C
I
REF200
12 34
865
100µA
100µA
AGND
1.0µF
APPLICATIONS
The ADS1212/13 can be used in a broad range of data
acquisition tasks. The following application diagrams show
the ADS1212 and/or ADS1213 being used for bridge trans-
ducer measurements, temperature measurement, and 4-20mA
receiver applications.