I I I I I I I I I I I General Description The KM4211 is a dual ultra-low power, low cost, voltage feedback amplifier. The KM4211 uses only 208µA of supply current per am.

I I I I I I I I I I I A/D buffer Smart card readers Active filters Keyless entry Signal conditioning ASCI input devices.

The KM4211 is a dual ultra-low power, low cost, voltage feedback amplifier. The KM4211 uses only 208µA of supply current per amplifier and is designed to operate from 2.5V to 5.5V or ±1.25V to ±2.75V supplies. The input voltage range extends 300mV be.

+2 +5V

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