MEMS driver
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United States of America Patent
Stats
-
Sep 6, 2005
Grant Date -
Sep 16, 2004
app pub date -
Mar 4, 2004
filing date -
Oct 24, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A MEMS driver includes a digital control block receiving an external digital control word and generating digital control signals for use in controlling a reference current source. The reference current source generates a reference current to a high voltage output stage in response to the digital control signals. The high voltage output stage generates an output current to an integrator in response to the reference current. The integrator provides an output voltage to a drive electrode that electrostically controls the position of the MEMS structure.
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