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  • Piezo Driver IC built-in Hall Sensor
  • Smart Phone, Smart Watch, Tablet PC
  • SHAF3301
  • WLCSP 9pin
  • 1.65 x 1.40 x 0.33mm
The SHAF3301 contains 2 channels output to drive a piezoelectric element, also it has a built-in hall element to detect Lens position. This IC also has an internal oscillator and pulse frequency control circuity which can be controlled through I2C interface by external micro-controller. The I2C address is 0 x 18.

Piezoelectric Actuator Driver for One Piezoelectric Element

10bit ADC to Interface Built-in Hall Element

Hall Amp Gain Control

I2C Interface (400 KHz), Support 1.8V to 3.0V-CMOS Level Input

Programmable Output Drive Patterns

EEPROM(32bytes)

Power on Reset


 Appications



Block Diagram


SIDM Principle


목록