ADBM-A350-200

ADBM-A350-200 Datasheet

ADBM-A350 Optical Finger Navigation

Part	Datasheet
ADBM-A350-200	ADBM-A350-200 (pdf)

Related Parts	Information
ADBM-A350	ADBM-A350

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ADBM-A350 Optical Finger Navigation Data Sheet The ADBM-A350 sensor is a small form factor SFF optical finger navigation system. The ADBM-A350 is a low- power optical finger navigation sensor. It has a new, low-power architecture and automatic power management modes, making it ideal for battery-and power-sensitive applications such as mobile phones. The ADBM-A350 is capable of high-speed motion detection up to 20ips. In addition, it has an on-chip oscillator and integrated LED for optical navigation to minimize external components. 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 into a 17-pin FPC module for ease of assembly via ZIF connector. Theory of Operation The ADBM-A350 is based on Optical Finger Navigation OFN Technology, which measures changes in position by optically acquiring sequential surface images frames and mathematically determining the direction and magnitude of movement. The ADBM-A350 contains an Image Acquisition System IAS , a Digital Signal Processor DSP , and a communication system. 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 and relative displacement values. The host reads the and information from the sensor serial port if a motion interrupt is published. The microcontroller then translates the data into cursor navigation, rocker switch, scrolling or other system dependent navigation data. • Low power architecture • Self-adjusting power-saving modes for longer battery life • High speed motion detection up to 20ips • Self-adjusting frame rate for optimum performance • Motion detect interrupt • Finger detect interrupt • Soft click and Tap detect interrupt • Single Interrupt pin • Optional PWM output to control LED driver to enable illumination feature when finger is on the sensor • 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 • 17-pin FPC module • Finger input devices • Mobile devices • Integrated input devices • Battery-powered input device Avago customers purchasing the ADBM-350 OFN product are eligible to receive a royalty free license to our US patents 6977645, 6621483, 6950094, 6172354 and 7289649, for use in their end products. CAUTION It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD. Pinout of ADBM-A350 Optical Sensor Pin Name 1 GND_SHIELD Ground shield 2 GPIO General Purpose Input/ Output pin Input/Output pin I Schmitt trigger input / O CMOS output 3 GND 4 IO_NCS_A1 Ground TWI address set or Chip Select I Schmitt trigger input 5 IO_MISO_SDA TWI serial data or Master In Slave Out 6 IO_MOSI_A0 TWI address set or Master Out Slave In In SPI CMOS output. In TWI open drain I/O I Schmitt trigger input

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ADBM-A350 Optical Finger Navigation

Data Sheet

The ADBM-A350 sensor is a small form factor SFF optical finger navigation system.

The ADBM-A350 is a low- power optical finger navigation sensor. It has a new, low-power architecture and automatic power management modes, making it ideal for battery-and power-sensitive applications such as mobile phones.

The ADBM-A350 is capable of high-speed motion detection up to 20ips. In addition, it has an on-chip oscillator and integrated LED for optical navigation to minimize external components.

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 into a 17-pin FPC module for ease of assembly via ZIF connector.

Theory of Operation

The ADBM-A350 is based on Optical Finger Navigation OFN Technology, which measures changes in position by optically acquiring sequential surface images frames and mathematically determining the direction and magnitude of movement.

The ADBM-A350 contains an Image Acquisition System IAS , a Digital Signal Processor DSP , and a communication system.

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 and relative displacement values.

The host reads the and information from the sensor serial port if a motion interrupt is published. The microcontroller then translates the data into cursor navigation, rocker switch, scrolling or other system dependent navigation data.
• Low power architecture
• Self-adjusting power-saving modes for longer battery
life
• High speed motion detection up to 20ips
• Self-adjusting frame rate for optimum performance
• Motion detect interrupt
• Finger detect interrupt
• Soft click and Tap detect interrupt
• Single Interrupt pin
• Optional PWM output to control LED driver to enable
illumination feature when finger is on the sensor
• 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
• 17-pin FPC module
• Finger input devices
• Mobile devices
• Integrated input devices
• Battery-powered input device

Avago customers purchasing the ADBM-350 OFN product are eligible to receive a royalty free license to our US patents 6977645, 6621483, 6950094, 6172354 and 7289649, for use in their end products.

CAUTION It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD.

Pinout of ADBM-A350 Optical Sensor

Pin Name
1 GND_SHIELD Ground shield
2 GPIO

General Purpose Input/ Output pin

Input/Output pin

I Schmitt trigger input / O CMOS output
3 GND 4 IO_NCS_A1

Ground

TWI address set or Chip Select

I Schmitt trigger input
5 IO_MISO_SDA TWI serial data or Master In Slave Out
6 IO_MOSI_A0 TWI address set or Master Out Slave In

In SPI CMOS output. In TWI open drain I/O

I Schmitt trigger input

More datasheets: 6308-RC | 6306 | 6302 | 6304 | 6308 | 6310 | 6302-RC | 6304-RC | 6306-RC | 6310-RC

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Datasheet ID: ADBM-A350-200 519920