| 摘要 |
A circuit operable in two modes alternatively to provide a digital-to-analog converter capability and an analog-to-digital converter capability is disclosed utilizing a single digital multiplexer at a digital input and two analog multiplexers to control signal path routing. A track-and-hold circuit is utilized in the analog-to-digital configuration as a sample-and-hold, and alternatively in the digital-to-analog configuration as an operational amplifier.
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