1

2

7

9

10

8

PGA102

ISO124

ISO150

1

2

3

16

4

6

7

8

5

15

15

+15V– 15V

+15V –15V

V

IN

V

OUT

A

A

0

1

14

ISO124

SBOS074E – SEPTEMBER 1997 – REVISED JUNE 2018

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Product Folder Links: ISO124

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Copyright © 1997–2018, Texas Instruments Incorporated

Typical Applications (continued)

8.2.3 Programmable Gain Amplifier

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

can be used with the ISO124 device. Figure 18 uses an ISO150 device to provide gain pin selection options to

the PGA102 device.

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