VT5365 datasheet(1/26 Pages) STMICROELECTRONICS

部件名	VT5365

功能描述	Single chip optical/laser mouse sensor for wireless applications

PDF	26 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 26 page

March 2007

Rev 1

1/26

26

VT5365

Single chip optical/laser mouse sensor for wireless applications

Features

■ One chip solution with internal microprocessor

and minimal external circuitry

■ 1.8 V (single battery) or 2.0 V to 3.2 V (serial

batteries) supply operation

■ Very low power operation, enabling long

battery life

■ 800 / 1600 CPI resolution (switchable by

simultaneous button press)

■ Up to 10,000 frames per second

■ Tracking at up to 40 ips

■ Internal 27.045 MHz modulator available

■ Single 12 MHz crystal design

■ ST 4.8 kbps protocol

■ 254 ID codes

■ Mechanical Z-wheel + 5 buttons

■ Low battery detect and indicator

■ ID update & E2 store at every CONNECT press

■ Firmware customization available on request

■ Proven, high volume package technology,

smallest package currently available on market

■ Suitable for use with LED and laser light

sources

■ Reference designs available

Applications

■ Wireless optical mouse for Laptop/Desktop PC

Description

The VT5365 is the first generally available

complete system on-chip for use in wireless

optical mice. The device has been designed to

provide long battery life while enabling excellent

navigation control and precision on a wide range

of surfaces. Housed in the smallest currently

available package (7 mm x 7 mm), the chip is

suitable for use in small form-factor mice

demanded by laptop users. Minimal external

circuitry is required, thereby reducing BOM and

assembly costs.

Table 1.

Technical specifications

Resolution

800 (default) / 1600 CPI

Pixel size

30.4 µm

Array size

20*20 pixels

Frame rate

Up to 10,000 frames/second

High speed motion

detector(1)

1.

Speed limitation is due to RF protocol, which is also in

line with the USB Low Speed Device. The VT5365

motion detector can handle up to 40 ips.

400 CPI - 32 ips

800 CPI - 16 ips

1600 CPI - 8 ips

3200 CPI - 4 ips

Clock

12 MHz

Supply voltage

1.8 V

Supply current(2)

2.

All currents were measured on an ST Reference

Design Mouse supplied with 1.8 V at maximum

exposure and include an IR LED and RF stage.

Fast RUN (10 Kfps) - 28 mA

Slow RUN (2.5 Kfps) - 16 mA

IDLE 1 - 500 µA

IDLE 2 - 120 µA

SLEEP - 60 µA

Operating temperature [0 - 60] ° C

Package type

7*7 mm 32 lead LOQFP

(Low profile Optical Quad

Flat Pack)

www.st.com

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