REF200
100µA
A
100µA
B
3
+In
RG
7
5
1
8
A
INP
REFIN
REFOUT
AVDD
INA118
6
1.0µF
AGND
R1
R2
AIN
N
100Ω
100Ω
4
2
–In
AGND
VBIAS
CS
AVDD
MODE
DRDY
SDOUT
SDIO
AGND
AGND
DVDD
XTAL
R3
14kΩ
ADS1212
C1
6pF
DGND
DSYNC
XIN
AGND
XOUT
DGND
SCLK
DVDD
DVDD
C2
6pF
DGND
DGND
FIGURE 39. PT100 Interface.
+15V
+In
4–20mA
15
3
CT
14
A
INP
INN
REFIN
RCV420
2
1
1.0µF
AGND
13
–In
A
REFOUT
AVDD
5
AGND
VBIAS
CS
AVDD
MODE
DRDY
SDOUT
SDIO
AGND
–15V
DVDD
ADS1212
C1
6pF
DGND
DSYNC
XIN
XTAL
XOUT
DGND
SCLK
DVDD
DVDD
C2
6pF
DGND
DGND
FIGURE 40. Complete 4-20mA Receiver.
3
+In
RG
–In
7
5
1
8
INA128
6
A
INP
REFIN
1.0µF
AGND
4
2
AIN
N
REFOUT
AVDD
R1
10kΩ
AGND
VBIAS
CS
+5V
AGND
Termination
MODE
DRDY
SDOUT
SDIO
AGND
DVDD
ADS1212
C1
6pF
DGND
DSYNC
XIN
XTAL
XOUT
SCLK
DVDD
DGND
DVDD
C2
6pF
DGND
DGND
FIGURE 41. Single Supply, High Accuracy Thermocouple.
®
37
ADS1212, 1213
BB [ BURR-BROWN CORPORATION ]
