ISO122P

ISO150

A

A

–15V

1

0

+15V

+15V –15V

1

2

9

10

7

8

V

OUT

2

1

15

15

16

PGA

102

7

6

8

V

IN

3

4

5

ISO122

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SBOS160A – NOVEMBER 1993 – REVISED JANUARY 2015

Typical Application (continued)

9.2.3 Programmable Gain Amplifier

In applications where variable gain configurations are required, a programmable gain amplifier like the PGA102

can be used with the ISO122. Figure 18 uses an ISO150 to provide gain pin selection options to the PGA102.

Figure 18. Programmable-Gain Isolation Channel With Gains of 1, 10, and 100

Copyright © 1993–2015, Texas Instruments Incorporated

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Product Folder Links: ISO122