A3904 Overview
The A3904 is a voice coil motor (VCM) driver, with an I2C-patible serial interface. Designed for camera autofocus and zoom applications, this high accuracy digital IC is provided in small packages ideal for portable devices. Its operating voltage range is 2.4 to 5.5 V, and its maximum output current is 127 mA.
A3904 Key Features
- Fixed I2C logic thresholds
- 8-bit D-to-A converter
- 500 μA resolution
- Low voltage I2C serial interface
- Low current-draw sleep mode
- 2.4 to 5.5 V operation
- 2 mm × 1.5 mm, 0.38 mm nominal overall height DFN
- 1.1 mm × 0.7 mm, 0.5 mm maximum overall height WLCSP
- 1.1 mm × 0.7 mm, 0.33 mm nominal overall height bare die