Self-calibrating analog to digital converter
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United States of America Patent
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Jun 25, 1991
Grant Date -
N/A
app pub date -
Feb 24, 1987
filing date -
Feb 24, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self calibrating algorithmic analog-to-digital converter is disclosed for which the gain of the conversion loop is precisely adjusted and controlled by an array of switched capacitors such control being stored in a latch. The offset of the gain stage is reduced by reducing the amount of charge injected from the gate of the input zeroing MOS switch.
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