GENERAL DESCRIPTION
●The AD5801 is a high efficiency ultrasonic motor controller with two Class D-type output drivers. These Class D-type drivers can be used independently or configured as an H-bridge driver, and have full pattern programmability. There are also six integrated drivers which can be operated independently and have programmable output patterns. The AD5801 also has integrated drivers which are programmable from 130mA to 200mA, and may be used for a combination of Shutter and NDF/IRIS control.
●The operation modes of the drivers are invoked by the AD5801 using an I2C compatible interface.
●FEATURES
●Two Efficient Class D-type Amplifiers
●Six Integrated Pattern Drivers
●Programmable Output Drive Patterns
●12-bit ADC Voltage or Current Sensing for Position Feedback
●Programmable Shutter Control
●On board temperature sensing
●Optional Off-board Temperature Sensing
●32-lead 5mm X 5mm LFCSP Package
●APPLICATIONS
●Camera Phones
●Piezoelectric Positioning
●Piezo Actuators
●Lens Auto focus
●Lens Zoom
●Iris/Exposure
●NDF Neutral density Filter
●Shutter
●Camera Phone
●Camera Enabled PDA
●Camera/Image Modules
●Digital Still Camera DSC
●Web Cameras
●Security Cameras
●Digital Camcorders