Datasheet

ADS1212, 1213
38
SBAS064A
FIGURE 42. Dual Supply, High-Accuracy Thermocouple.
FIGURE 43. Single Supply, High-Accuracy Thermocouple Interface with Cold Junction Compensation.
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
DGND
DGND
DGND
XTAL
+5V
DV
DD
AGND
AGND
INA128
R
G
R
1
10kΩ
1
3
7
8
2
6
4
5
+In
–In
–5V
AGND
1.0µF
C
2
6pF
C
1
6pF
DV
DD
DGND
XTAL
+5V
DV
DD
AGND
AGND
AGND
DGND
DGND
INA118
R
G
R
1
10kΩ
R
2
13kΩ
AGND
1
3
7
8
2
6
4
5
+In
–In
ADS1213U, P
A
IN
3N
A
IN
2P
A
IN
2N
A
IN
1P
A
IN
1N
AGND
V
BIAS
CS
DSYNC
X
IN
X
OUT
DGND
A
IN
3P
A
IN
4N
A
IN
4P
REF
IN
REF
OUT
AV
DD
MODE
DRDY
SDOUT
SDIO
SCLK
DV
DD
AGND
1N4148
AGND
1.0µF