3
+In
RG
–In
7
5
1
8
A
INP
REFIN
REFOUT
AVDD
INA128
6
1.0µF
AGND
AIN
N
4
2
AGND
VBIAS
CS
+5V
AGND
DVDD
R1
10kΩ
MODE
DRDY
SDOUT
SDIO
–5V
ADS1212
C1
DGND
DSYNC
XIN
6pF
AGND
XTAL
XOUT
DGND
SCLK
DVDD
DVDD
C2
6pF
DGND
DGND
FIGURE 42. Dual Supply, High-Accuracy Thermocouple.
3
+In
RG
–In
7
AIN3N
AIN3P
IN4N
IN4P
AGND
5
1
8
A
A
A
A
IN2P
IN2N
IN1P
IN1N
A
INA118
4
6
A
2
AGND
REFIN
REFOUT
AVDD
R1
1.0µF
AGND
10kΩ
AGND
AGND
VBIAS
CS
+5V
ADS1213U, P
AGND
MODE
DRDY
SDOUT
SDIO
1N4148
R2
13kΩ
AGND
DVDD
DGND
C1
6pF
DSYNC
XIN
XTAL
XOUT
SCLK
DGND
DVDD
DVDD
C2
6pF
DGND
DGND
FIGURE 43. Single Supply, High-Accuracy Thermocouple Interface with Cold Junction Compensation.
ADS1212, 1213
38
SBAS064A
BB [ BURR-BROWN CORPORATION ]
