Instrumentation Amplifiers

Q&A transparent gain mode single-supply operation

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by EZAdministrator
on Aug 2 2018

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AD8251 Production
The AD8251 is an instrumentation amplifier with digitally programmable gains that has GÎ© input impedance, low output noise, and low distortion, making...
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AD8251 on Analog.com

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transparent gain mode single-supply operation

Bchef

on Nov 13, 2025

Category: Hardware

Product Number: AD8251 transparent gain mode single-supply operation, AD8251

I am using the AD8251 in transparent gain mode single-supply operation +12 volts.

I have WR tied to ground, A0 to +5, A1 to ground expecting a gain of 2, however the AD8251 defaults to a gain of 1.

amplifiers hardware Instrumentation Amplifiers ad8251 AD8251 transparent gain mode single-supply operation

kristinehoffman

on Nov 13, 2025 9:15 PM
0
Hi,

Could you share the whole configuration of your AD8251?

Thanks,

Kristine
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Bchef
on Nov 14, 2025 9:27 AM in reply to kristinehoffman
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PDFR2, R3, R6, R7 and IC4 are not installed
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Bchef
on Nov 18, 2025 11:42 AM in reply to Bchef
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Kristine, can you see my schematic?

Thanks,

Brian
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Bchef
on Nov 20, 2025 9:28 AM in reply to Bchef
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Does anyone monitor this forum?

I am curious as to why I have not received a reply since last week.
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