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LC898217XH - Auto Focus (AF) Controller & Driver

Description

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

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 - Output 2 channel (Hall offset, Constant current bias)  Built-in VGA - Hall Amp - 1 channel  Built-in EEPROM - 128 byte (16 byte/page)  Built-in OSC.
  • Built-in Constant Current Driver - 110 mA - 1 ch.

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Datasheet Details

Part number LC898217XH
Manufacturer onsemi
File Size 238.62 KB
Description Auto Focus (AF) Controller & Driver
Datasheet download datasheet LC898217XH Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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. www.onsemi.com 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 interface (The communication protocol is compatible with I2C.
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