®

INA105

12

FIGURE 27. Boosting Instrumentation Amplifier Common-Mode Range From

±5 to ±7.5V with 10V Full-Scale Output.

FIGURE 28. Precision Absolute Value Buffer.

FIGURE 29. Precision 4-20mA Current Transmitter.

V

1

Input

5

6

3

1

V

INA105

2

R

4

R

3

R

1

R

2

OPA111

10pF

D

1

D

2

R

5

2k

Ω

5

6

3

INA105

2

1

4

2

+15V

OPA27

REF10

6

10V

4 to 20mA

Out

0 to 10V

In

12.5k

Ω

1k

Ω

50k

Ω

50.1

Ω

50.1Ω

R

LOAD

INA105

V

1

V

2

R

1

5

6

1

3

2

V

R

1

49.5

Ω

R

2

R

2

R

2

R

2

Conventional

Instrumentation

Amplifier (e.g., INA101 or INA102)

A = 100

INA105

A = 2

R

1

49.5

Ω