High performance op amps deliver precision waveform synthesis
Jon Munson
Abstract
High performance operational amplifiers that deliver precision waveform synthesis are described.
Keywords
Operational amplifier
LT1722
LT1723
LT1724
Introduction
With the trend toward ever more precise waveform generation using DSP synthesis and digital-to-analog conversion, such as with the LTC1668 16-bit, 50Msps DAC, increasing demands are being placed on the output amplifier. In some applications, the DAC current-to-voltage function is simply resistive, though this is limited to small-signal situations. The more common solution is to use an amplification or a transimpedance stage to provide larger usable scale factors or level shifting. ...
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