Avago推出光学手指导航传感器

Optical Finger Navigation (OFN) products from Avago Technologies offer a compact, precise, fast speed and highly reliable navigation solution, which will help enhance the overall system performance. Our OFN solution is user friendly and can be used in electronic devices such as mobile phones, MP3 players, ultra-miniature PCs, game pads, digital cameras and keyboards.

The ADBS-A350 sensor is a small form factor (SFF) LED illuminated optical finger navigation system. It is a low-power optical finger navigation sensor with low-power architecture and automatic power management modes, making it ideal for battery-and power-sensitive applications such as mobile phones.

There are no moving parts, thus provide 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 either a serial peripheral interface or a two wire interface port. It is packaged in a 28 I/O surface mountable package.

The ADBS-A350 is designed for use with ADBL-A321 lens.The ADBL-A321 lens is the optical component necessary for proper operation of the sensor.

Features

Low power architecture
Surface mount technology (SMT) device
Self-adjusting power-saving modes for longer battery life
High speed motion detection up to 20 ips
Seld-adjusting frame rate for optimum performance
Motion detect interrupt
Finger detect interrupt
Soft click and Tap detect interrupt
Single Interrupt pin
Optional PWM output for LED illumination
Optional switch input for center click function
Internal oscillator – no clock input needed
Selectable 125, 250, 500, 750, 1000 and 1250 cpi resolution
Single 1.8V supply voltage for analog and digital
Internal power up reset (POR)
Selectable Input/Output voltage at 1.8V or 2.8V nominal
4-wire Serial peripheral interface (SPI) or Two-wire interface (TWI)
Integrated chip-on-board LED with wavelength of 870nm