Datasheet Summary
LC898217XH Auto Focus (AF) Controller & Driver
1. Overview
LC898217XH is the AF control LSI. It consists of 1 system of feedback circuit for AF control. Built-in equalizer circuit using digital operation. Built-in A/D converter, D/A converter, Constant Current Driver. LC898217XH contains an internal EEPROM. It easily acplishes Hall calibration and power-on sequence. Also LC898217XH has fast settling function for quickly moving focus lens. This is suitable for small & thinner camera module.
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2. Features
Built-in equalizer circuit using digital operation
- AF control equalize circuit
- Any coefficient can be specified by 2-wire serial I/F (TWIF)
2-wire serial...