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Answer by Tony Stewart EE75 for Op amp driving a LED oscillates, how to...
Short Answer: Reduce R1 from 10 to 1 Ohm and add 10:1 divider on input or as req'd.Your Op Amp Output High or Ioh current limits being close to your operating limit of 100mA imposes severe voltage drop...
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Answer by WhatRoughBeast for Op amp driving a LED oscillates, how to stabilize?
The standard approach in your case is to modify the circuit slightly:simulate this circuit– Schematic created using CircuitLabUnfortunately, I can't give you component values. They depend on the op amp...
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Op amp driving a LED oscillates, how to stabilize?
I have a simple LED driver circuit like this:simulate this circuit– Schematic created using CircuitLabThe op-amp is OPA354250-MHz,Rail-to-RailI/O, CMOSOperationalAmplifier supplied from a single +5V...
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