LC898217XH Datasheet - ON Semiconductor

LC898217XH Auto Focus (AF) Controller & Driver

LC898217XH I INPUT O OUTPUT B BIDIRECTION P  2-wire serial interface SCL I SDA B  Hall interface BIASO OPINP OPINM O I I  Driver interface OUT1 OUT2 O O TYPE Power supply, GND NC NOT CONNECT 2-wire serial interface clock pin 2-wire serial interface data pin D/A output (to Hall eleme.

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 accomplishes 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. .

LC898217XH 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 interface (The communication protocol is compatible with I2C.)  Built-in A/D converter - Input 1 channel  Built-in D/A converter - Outpu

LC898217XH Datasheet (238.62 KB)