High speed data transfer for analog-to-digital converters
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United States of America Patent
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Oct 31, 2017
Grant Date -
Jul 14, 2016
app pub date -
Sep 4, 2015
filing date -
Jan 13, 2015
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Abstract
This disclosure describes techniques for transferring data from an analog-to-digital converter (ADC) to a host device. The techniques may determine whether an ADC is operating in a quiet conversion time period, and selectively deactivate a digital data output of the ADC when the ADC is operating in the quiet conversion time period. This may allow an ADC to transfer data during both the conversion and acquisition phases of the ADC (rather than just during the acquisition phase), thereby increasing the data throughput of the ADC for a given transfer clock speed. The techniques may further allow data to be transferred during the conversion phase of an ADC without requiring a host device to be aware of the quiet conversion time period requirements of the ADC. In this way, the data throughput of an ADC data transfer may be increased with relatively little additional complexity added to a host device.
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