DESCRIPTION
A2637 is a single-chip 3D3Key optical mouse sensor with USB and PS2 interface. It is compatible with Microsoft 3D IntelliMouse and USB V1.1. It supports mechanical scroll Z-axis input. A2637 supports 800/1200 CPI. It requires minimal external components to implement 3D USB+PS2 mouse. Furthermore, A2637 is pip- compatible with A2636, and saves PCB tooling cost and cuts down the time from testing to production mouse.
PRODUCT FEATURES
- Crystal-less, low cost, high performance
- USB+PS/2 interface single chip solution
- Fully Support Windows Vista, XP, 2000, ME, 98 operating systems
- Minimum external components, low BOM cost
- Proprietary Optical navigation technology
- Suspension function and wake-up feature to reduce power consumption
- USB-IF and WHQL compatible
- ESD protected design > -/+2000V, bus-pin(VDD/GND/DP/DM) is up to 4000V
- Single 5V power supply
- Operating current 15mA or less
- Support 4D, 3-keys
- 800DPI/1200DPI resolution selectable through DPI key or fixed 800DPI or 1200DPI resolution
- Plug and Play
- Support mechanical encoder for Z- axis
- Built-in de-bounce circuits
- Built-in power-on reset
- Built-in regulator
- Staggered DIP-12 ROHS green package
APPLICATIONS
- Personal computer
- Notebook
- Navigator device
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