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A3904 - Low Voltage Voice Coil Motor Driver

General Description

The A3904 is a voice coil motor (VCM) driver, with an I2C-compatible serial interface.

Designed for camera autofocus and zoom applications, this high accuracy digital IC is provided in small packages ideal for portable devices.

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.

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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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A3904 Low Voltage Voice Coil Motor Driver Features and Benefits ▪ 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 Description The A3904 is a voice coil motor (VCM) driver, with an I2C-compatible 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.