Supplied in WLCSP-8 package, LC898214XC integrates all functions for closed auto focus driver: digital logic as closed auto focus control, Hall device as positioning sensor, EEPROM for storage of filter parameters and compensation data, and constant current driver as actuator driver. Other features include digital loop filter, auto focus convergence with temperature compensation, and integrated constant current driver. Loop filter coefficients are adjustable via I²C interface.
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