Datasheet

®
INA105
10
FIGURE 22. Differential Output Difference Amplifier.
5
6
3
INA105
2
V
01
1
5
6
3
INA105
2
V
01
– V
02
= 2 (V
2
– V
1
)
V
02
1
V
2
V
1
FIGURE 19. Precision Voltage-to-Current Converter with
Differential Inputs.
FIGURE 21. Isolating Current Source.
FIGURE 23. Isolating Current Source with Buffering Ampli-
fier for Greater Accuracy.
FIGURE 20. Differential Input Voltage-to-Current Converter
for Low I
OUT
.
5
6
3
INA105
2
1
V
1
V
2
Load
I
O
= (V
1
– V
2
) (1/25k + 1/R)
For R 200 , Figure 24 will
provide superior performance.
I
O
Ω
R
R
≅
5
6
3
INA105
2
1
V
3
V
2
Load
I
O
= (V
3
– V
2
)/R
I
O
R
5
6
3
INA105
2
1
V
3
V
2
Load I
O
R
R
Gate can be
+V
S
–5V
I
O
= (V
3
– V
2
) (1/25k + 1/R)
R < 200Ω
5
6
3
INA105
2
1
V
3
V
2
Load I
O
R
Gate can be
+V
CC
–5V
I
O
= (V
3
– V
2
)/R
R 200
Ω≥