Avago ADNS-3050入门级游戏光导航传感器解决方案 - 消费电子 - 电子工程网
Avago公司的 ADNS-3050是小型入门级游戏光导航传感器,工作电压2.8V-3.0V,60ips时能进行高速运动检测,加速度高达20g,可选择的分辨率高达2000cpi,用于运动检测的外接中断输出,集成了LED驱动器和振荡器,四线串行接口,无源元件熟最少.主要用在有线和无线光学游戏鼠标和跟踪球,综合输入设备和以电池为能源的输入设备.本文介绍了ADNS-3050主要特性, 光学鼠标框图, 2D装配图和装配分解图,以及有线和无线解决方案电路图.
ADNS-3050: Entry-level Gaming Optical Navigation Sensor
The Avago Technologies ADNS-3050 is a small form factor entry-level gaming optical navigation sensor. It is housed in an 8-pin staggered dual in-line package (DIP). It is capable of high-speed motion detection typically at 60ips and acceleration up to 20g; suitable for both wired and wireless gaming navigation system. The low power management in wireless mode can be customized to suit user preferences. In addition, it has an on-chip oscillator and LED driver to minimize external components.
The ADNS-3050 sensor along with the ADNS-5110-001 lens, ADNS-5200 clip, and HLMP-EG3E red LED forms a complete and compact mouse tracking system. There are no moving parts, which translates to high reliability and less maintenance for the end user. Precision optical alignment is not required, thus facilitating high volume assembly.
Theory of Operation
The ADNS-3050 is based on Optical Navigation Technology, which measures changes in position by optically acquiring sequential surface images (frames) and mathematically determining the direction and magnitude of movement. The ADNS-3050 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 displacement values. An external microcontroller reads and translates the ΔX and Δy information from the sensor serial port into PS2, USB, or RF signals before sending them to the host PC.
Small Form Factor Package - 8-pin DIP
Operating Voltage: 2.8V-3.0V
High Speed Motion Detection at typical of 60ips and acceleration up to 20g.
Selectable Resolutions up to 2000cpi
Four wire Serial Port Interface
External Interrupt Output for Motion Detection
Internal Oscillator — no clock input needed
On-chip LED driver
Minimal number of passive components
rogrammable power-saving modes for selectable wired or wireless application
Customizable response time and downshift time for rest modes
Confi gurable LED operating modes and drive current
Wired and Wireless Optical gaming mice and trackballs
Integrated input devices
Battery-powered input devices