Datasheet

®
INA131
10
INA131
V
O
+10V
Bridge
Ref
INA131
I
B
R
V
IN
–
+
A
1
I
O
Load
I
O
=
100 • V
IN
R
Ref
A
1
I
B
Error
OPA177 ±1.5nA
OPA602 1pA
OPA128 75fA
FIGURE 9. Differential Voltage to Current Converter.
FIGURE 7. Bridge Transducer Amplifier.
INA131
V
O
C
1
0.1µF
OPA602
Ref
R
1
1MΩ
f
–3dB
=
1
2πR
1
C
1
= 1.59Hz
V
IN
+
–
FIGURE 8. AC-Coupled Instrumentation Amplifier.