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Optical sensors extend wireless mouse battery life

Posted: 13 Dec 2010     Print Version  Bookmark and Share

Keywords:optical sensors  wireless mice  single AA battery 

Avago Technologies debuts the ADNS-2080 and ADNS-3000, two LED based low-power optical sensors that leverage low-power architecture and automatic power management modes to enable over a year of battery life for cordless mice using a single AA battery.

The optical sensors provide precise, high-speed tracking for wireless mice, with high-speed motion detection of up to 30ips and 20g acceleration detection. The sensors also feature selectable resolution of up to 2000cpi for highly accurate, sensitive navigation.

The small form factor devices have on-chip oscillators, reducing external component count, and do not require precision optical alignment, facilitating high-volume assembly. These features simplify mouse designs and provide cost savings to customers.

"The combination of lowering power consumption while improving tracking performance is the foundation of our dominant leadership position for optical mouse sensors," said Angeline Khoo, marketing manager for mouse sensor products at Avago. "The ADNS-2080 and ADNS-3000 optical sensors build on this tradition with outstanding tracking performance and by enabling wireless mice to operate using only one AA battery."

The ADNS-2080 operates on a supply voltage of 2.1V for the device and the ADNS-3000 on 1.7V. The ADNS-2080 device is integrated with a low dropout voltage regulator. The devices have external interrupt output for motion detection. It offers programmable rest frame periods/response-times and downshift times from one power-saving mode to another

Housed in 8-pin staggered dual in-line package (DIP), samples and production quantities of both are available now through Avago's direct sales channel and worldwide distribution partners. Avago also offers the ADNK-2080 sample kit, the ADNK-3000 sample kit, the ADNK-2083-ND24 reference design kit, and the ADNK-3003-ND24 reference design kit for wireless mouse designers.

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