CN3927-Low Voltage 10-bit Voice Coil Motor Driver with I2C

  • Key Features:
  • WLCSP package for minimum footprint
  • Ramp control circuit
  • Fixed I2C logic thresholds
  • 10-bit D-to-A converter
  • 125μA resolution
  • Low voltage I2C serial interface
  • Low current draw sleep mode-active low
  • 2.3 V to 5.5 V operation
  • Typical Application:

  • Descriptioin

The CN3927 is single 10-bit DAC with 125mA output current sink capability. Designed for linear control of voice coil motors, the CN3927 is capable of operating voltage from 2.3V to 5.5V. The DAC is controlled via a I2C serial interface that operates DAC by clock rates up to 400kHz. The CN3927 is designed for auto focus and optical zoom camera phones, digital still cameras, and camcorders applications. The I2C address for the CN3927 is 0x18.

  • Applications:
  • Digital camera
  • Cell phone
  • Lens auto focus
  • Web camera