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The OPA842 provides a level of speed and dynamic range
previously unattainable in a monolithic op amp. Using unitygain stable， voltage-feedback architecture with two internal
gain stages， the OPA842 achieves exceptionally low harmonic distortion over a wide frequency range. The “classic”
differential input provides all the familiar benefits of precision
op amps， such as bias current cancellation and very low
inverting current noise compared with wideband current
differential gain/phase performance， low-voltage noise， and
high output current drive make the OPA842 ideal for most
high dynamic range applications.
Unity-gain stability makes the OPA842 particularly suitable
for low-gain differential amplifiers， transimpedance amplifiers， gain of +2 video line drivers， wideband integrators， and
low-distortion Analog-to-Digital Converter （ADC） buffers.
Where higher gain or even lower harmonic distortion is
required， consider the OPA843—a higher-gain bandwidth
and lower-noise version of the OPA842.
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