Fixed Gain Op Amps | Pre-Set Resistance for Voltage Boost

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SUMMARY

The discussion centers on the search for operational amplifiers (op amps) with built-in resistors that provide fixed gain settings of 5, 10, 50, or 100. Users expressed a desire for pre-set amplifiers to simplify the process of boosting sensor outputs without the need for soldering resistors. Two specific op amps were recommended: the MAX4174 and the LTC6915, both of which are readily available and suitable for this purpose.

PREREQUISITES
  • Understanding of operational amplifier (op amp) configurations
  • Familiarity with fixed gain settings in electronic circuits
  • Basic knowledge of sensor output amplification
  • Experience with electronic component sourcing
NEXT STEPS
  • Research the specifications and applications of the MAX4174 op amp
  • Explore the LTC6915 op amp datasheet for detailed performance metrics
  • Learn about integrating fixed gain op amps into sensor circuits
  • Investigate other available op amps with built-in resistors for various gain settings
USEFUL FOR

Electronics engineers, hobbyists working on sensor projects, and anyone seeking efficient solutions for voltage amplification in their designs.

refind
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Are there any readily available op amps with built in resistors that give a fixed gain, say 5, 10, 50, 100 etc.

A lot of times I need to boost a sensor output and I'm too lazy to find/solder resistors do it. I'd rather buy a bunch of pre-set amplifiers that are ready to be plugged in and multiply my voltage.

Tried looking around on the web and couldn't locate anything.

Thanks.
 
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refind said:
Tried looking around on the web and couldn't locate anything.

seriously ? ;)

I plugged you question into google and came up with dozens of hits

here's one example ... MAX4174

cheers
Dave
 

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