PAW3501UI

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PixArt Imaging Inc.

V2.1 April. 2008

PAW3501UI USB OPTICAL MOUSE SENSOR SINGLE CHIP

General Description

PAW3501UI is a CMOS process optical mouse sensor single chip with USB interface that serves as a non-

mechanical motion estimation engine for implementing a computer mouse.

Features

USB interface

Single 5.0 volt power supply

Compatible with Microsoft

and 5-button Wheel Mouse

Optical motion estimation technology

Complete 2-D motion sensor

Accurate motion estimation over a wide

range of surfaces

High speed motion detection up to 28

inches/sec

High resolution up to 800 CPI

Power saving mode during times of no

movement

Supports five buttons (R, M, L, B4, B5) and

three axes (X, Y, Z) output

Z-axis can support two kinds of scroller

input (Opto-mechanical and mechanical).

Complete Universal Serial Bus

compatibility

Complete USB HID spec V1.1 compatibility

Integrated USB transceiver and 1.5 Mbps

USB serial interface engine

Key Specification

Power Supply

Wide operating supply range

4.25V ~ 5.5V

Interface

USB

Optical Lens

1:1

System Clock

18.000 MHz

Speed

28 inches/sec

Acceleration

20g

Resolution

400/600/800 CPI

Frame Rate

3000 frames/sec

Operating Current

12 mA @Mouse moving (Normal)

8 mA @Mouse not moving (Sleep)

480 uA @USB suspend (Suspend)

Package

Shrunk DIP24

Ordering Information

Part Number

CPI

Sensor Rotate

Device Type

Z-axis Type

PAW3501UI

400/600/800

0˚/+90˚/-90˚

2D2B/3D3B/3D5B

Mechanical (Z/2)

PAW3501UI-P2

400/600/800

0˚/+90˚/-90˚

2D2B/3D3B/3D5B

Optical (Z/2)

PAW3501UI-P4

400/600/800

0˚/+90˚/-90˚

2D2B/3D3B/3D5B

Optical (Z/4)