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Current Feedback op amps

Current Feedback op amps. Current Feedback op amps enable operation at higher speeds. Traditionally they have wider bandwidths and higher slew rates than voltage feedback amplifiers and do not feature a Gain Bandwidth restriction associated with Voltage Feedback op amps. .

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Current Feedback op amps

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  1. Current Feedback op amps Current Feedback op amps enable operation at higher speeds. Traditionally they have wider bandwidths and higher slew rates than voltage feedback amplifiers and do not feature a Gain Bandwidth restriction associated with Voltage Feedback op amps.  An amplifier with the inverting voltage feedback is illustrated below: Here, the output voltage drives a feedback resistor R2, which is connected to the inverting input, and the voltage gain is independent on the error. Instead of acting like a voltage amplifier, an amplifier with an inverting voltage feedback acts like an ideal current-to-voltage converter, a device with a constant ratio of output voltage to the input current.

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