Document Number: 71402

S11-0303-Rev. C, 28-Feb-11

www.vishay.com

9

Vishay Siliconix

DG300B, DG301B, DG302B, DG303B

APPLICATIONS

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon

Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and

Figure 6. Low Power Instrumentation Amplifier with Digitally Selectable Inputs and Gain

Diff. IN B

+ 15 V

+ 15 V

Diff. IN A

DG301B

DG302B

GND

+ 15 V

- 15 V

- 15 V

+ 15 V

- 15 V

CMOS Logic

Input Select

High = Diff. IN B

CMOS Logic

Gain Select

16 k



1.5 k



75 k



75 k



75 k



75 k



75 k



67 k



50 k



Voltage gain of the instrumentation amplifier is:

+

–