current feedback amplifier
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OA-31_current feedback amplifiersCurrent Feedback Amplifiers
Current Feedback Amplifiers
In their effort to approximate the ideal op amp, manufacturers must not only maximize the open-loop gain and minimize input-referred errors such as offset voltage, bias current, and noise, but must also ensure adequate band-width and settling-time characteristics. Amplifier dynamics are particularly important in applications like high-speed DAC buffers, subranging ADCs, S/H circuits, ATE pin drivers, and video and IF drivers (Reference 1) Being basically voltage-processing devices, op amps are subject to the speed limitations inherent to voltage-mode operation, stemming primarily from the stray capacitances of nodes and the cutoff frequencies of transistors. Particularly severe is the effect of the stray capacitances between the inpu
Current Feedback Amplifiers
In their effort to approximate the ideal op amp, manufacturers must not only maximize the open-loop gain and minimize input-referred errors such as offset voltage, bias current, and noise, but must also ensure adequate band-width and settling-time characteristics. Amplifier dynamics are particularly important in applications like high-speed DAC buffers, subranging ADCs, S/H circuits, ATE pin drivers, and video and IF drivers (Reference 1) Being basically voltage-processing devices, op amps are subject to the speed limitations inherent to voltage-mode operation, stemming primarily from the stray capacitances of nodes and the cutoff frequencies of transistors. Particularly severe is the effect of the stray capacitances between the inpu
关键词： OA-31 current feedback amplifiers
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