Ramp generation circuit and A/D converter
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United States of America Patent
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May 4, 2010
Grant Date -
May 15, 2008
app pub date -
Nov 8, 2007
filing date -
Nov 10, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ramp generation circuit including, a charge supply unit which generates predetermined charges every predetermined time, an integration circuit which accumulates the charges generated from the charge supply unit and converts the charges into a voltage, and, an attenuation unit which outputs, to an output terminal, a voltage obtained by attenuating a noise value of an output voltage from the integration circuit.
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