LC898217XH

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.)  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 channel  Package - WL-CSP 10-pin - Pb-Free, Halogen Free  Supply voltage - VDD (2.6 V to 3.3 V) WLCSP10, 1.04x2.04x0.265 ORDERING INFORMATION See detailed ordering and shipping information on page 9 of this data sheet. © Semiconductor Components Industries, LLC, 2017 April 2017 - Rev. 0 1 Publication Order Number : LC898217XH/D 3. Pin Description LC898217XH I INPUT O OUTPUT B BIDIRECTION P  2-wire serial interface SCL I SDA B  Hall interface BIASO OPINP OP...