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Avago Technologies' Optical Finger Navigation (OFN) Sensor
is a compact, precise, fast speed, and highly reliable navigation solution to help enhance overall system performance in mobile phones and much more. The
Avago OFN Sensor
ADBS-A320
is capable of high-speed motion detection of up to 15 inches per second (ips) and features an on-chip
oscillator
and integrated
LED
to minimize external components. With no moving parts, designers can create a highly reliable device with little or no maintenance.
Avago Technologies' Optical Finger Navigation (OFN) Sensor
does not require precision
optical
alignment to help with high-volume assembly. The small form factor (
SFF
) 6mm x 6mm x 1.38mm enables space savings and profile reduction. The
Avago OFN Sensor features intelligent power management to extend operating hours and battery life.
The
ADBL-A321 Optical Finger Navigation Lens
is the optical component necessary for the proper operation of the sensor, providing direct illumination and optical imaging.
Features
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Low power architecture
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Surface mount technology (SMT) device
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Self-adjusting power-saving modes for longer battery life
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High speed motion detection up to 15ips
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Self-adjusting frame rate for optimum performance
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Motion detect pin output
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Finger detect pin output
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Internal oscillator – no clock input needed
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Selectable 250, 500, 750, 1000 and 1250 cpi resolution
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Dual 2.8V/1.8V or single 2.8V supply options
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Selectable Input/Output voltage at 2.8V or 1.8V nominal
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Serial peripheral interface (SPI) or Two wire interface (TWI)
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Integrated chip-on-board LED with wavelength of 870nm
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Applications
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Finger input devices
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Integrated input devices
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Battery-powered input devices
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Mobile phones
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Music players
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Portable media players
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Remote controls
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Keyboards
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Portable gaming consoles
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Digital still cameras and camcorders
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Handheld GPS or navigation devices
Benefits
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Finger jitter reduction
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Auto resolution switching
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TWI and SPI interface
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Intelligent power management
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Proven technology
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Avago customers purchasing
the ADBS-A320 OFN product
are eligible to receive a royalty free license to US patents
6977645, 6621483, 6950094,
6172354, and 7289649 for use
in their end products.
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