INA152
INA152
2
5
6
1
V2
R
R
2
5
6
1
A
V1
V01
3
V1
3
IO = (V1 – V2) (1/40k + 1/R)
Load
IO
V2
INA152
FIGURE 15. Precision Voltage-to-Current Converter with
Differential Inputs.
2
5
6
1
INA152
V02
B
2
5
6
V2
3
R
V
01 – V02 = 2 (V2 – V1)
3
OPA130
V3
1
FIGURE 18. Differential Output Difference Amplifier.
IO = (V3 – V2)/R
IO
Load
INA152
2
5
6
1
FIGURE 16. Differential Input Voltage-to-Current
V2
Converter for Low IOUT
.
INA152
R
(R ≥ 200Ω)
2
5
3
V3
V2
Gate can be
+VCC –5V
R
R
(V3 – V2)
IO
=
6
R
R < 200Ω
Load
IO
Gate can be
+VS –5V
1
3
V3
I
O = (V3 – V2) (1/40k + 1/R)
FIGURE 19. Isolating Current Source with Buffering
Amplifier for Greater Accuracy.
Load
IO
FIGURE 17. Isolating Current Source.
12
INA152
SBOS184
TI [ TEXAS INSTRUMENTS ]
