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ADNS-3090 Datasheet(PDF) 1 Page - Pixart Imaging Inc. |
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ADNS-3090 Datasheet(HTML) 1 Page - Pixart Imaging Inc. |
1 / 8 page Description The ADNS-3090 is a high performance addition to PixArt Imaging’ popular ADNS family of optical mouse sensors. The ADNS-3090 is based on a new, faster architecture with improved navigation. The sensor is capable of sensing high speed mouse motion - up to 60 inches per second and acceleration up to 20g – for increased user precision and smoothness. The ADNS-3090 along with the ADNS-2120-001 trim lens, ADNS-2220-001 assembly clip and HLMP-EG3E-xxxxx led form a complete, compact optical mouse tracking system. There are no moving parts, which means high reliability and less maintenance for the end user. In addition, precision optical alignment is not required, facilitating high volume assembly. The sensor is programmed via registers through a four-wire serial port. It is packaged in a 20-pin staggered dual inline package (DIP). Theory of Operation The ADNS-3090 is based on Optical Navigation Technol- ogy, which measures changes in position by optically acquiring sequential surface images (frames) and math- ematically determining the direction and magnitude of movement. It contains an Image Acquisition System (IAS), a Digital Signal Processor (DSP), and a four-wire serial port. The IAS acquires microscopic surface images via the lens and illumination system. These images are processed by the DSP to determine the direction and distance of motion. The DSP calculates the Δx and Δy relative dis- placement values. An external microcontroller reads the Δx and Δy informa- tion from the sensor serial port. The microcontroller then translates the data into PS2 or USB signals before sending them to the host PC or game console. Features High speed motion detection – up to 60 ips and 20g Enhanced architecture for greatly improved optical navigation technology Programmable frame rate over 6400 frames per second SmartSpeed self-adjusting frame rate for optimum performance Serial port burst mode for fast data transfer 1800 cpi or 3600 cpi selectable resolution Single 3.3 volt power supply Four-wire serial port along with Chip Select, Power Down, and Reset pins Applications Mice for game consoles and computer games Mice for desktop PC’s, Workstations, and portable PC’s Trackballs Integrated input devices ADNS-3090 High-Performance Optical Mouse Sensor Data Sheet All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 1 PixArt Imaging Inc. E-mail: fae_service@pixart.com.tw |
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