3
+In
RG
–In
7
5
1
8
AIN
P
REFIN
REFOUT
AVDD
INA128
6
1.0µF
AGND
AINN
4
2
AGND
VBIAS
CS
+5V
AGND
DVDD
R1
10kΩ
MODE
DRDY
SDOUT
SDIO
–5V
ADS1210
C1
DGND
DSYNC
XIN
12pF
AGND
XTAL
XOUT
DGND
SCLK
DVDD
DVDD
C2
12pF
DGND
DGND
FIGURE 42. Dual Supply, High-Accuracy Thermocouple.
3
+In
RG
–In
7
A
A
A
A
IN3N
IN2P
IN2N
IN1P
AIN3P
AGND
5
1
8
A
IN4N
IN4P
REFIN
INA118
4
6
A
2
AGND
R1
10kΩ
1.0µF
AGND
AGND
AIN1N
AGND
VBIAS
CS
REFOUT
AVDD
+5V
ADS1211U, P
AGND
MODE
DRDY
SDOUT
SDIO
1N4148
R2
13kΩ
AGND
DVDD
DGND
C1
12pF
DSYNC
XIN
XTAL
XOUT
SCLK
DVDD
DGND
DVDD
C2
12pF
DGND
DGND
FIGURE 43. Single Supply, High-Accuracy Thermocouple Interface with Cold Junction Compensation.
ADS1210, ADS1211
38
SBAS034B
www.ti.com
BB [ BURR-BROWN CORPORATION ]
