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CCD driver provides user-programmable rise/fall times

Posted: 28 Jan 2010     Print Version  Bookmark and Share

Keywords:CCD driver  image sensor  digital imaging 

ISL55112 dual CCD driver

Intersil Corp. debuts the ISL55112 CCD driver, which it claims to provide the fastest, most accurate image sensor driving solution for digital imaging products. The driver uses a patented technique to deliver fast, matched rise and fall times into highly capacitive image sensor loads.

This results in stable, predictable CCD driver waveforms with minimum variation over temperature while operating at high clock rates. Rise and fall times are user programmable, allowing for the removal of normally required EMI damping components.

The ISL55112 dual CCD driver meets the needs of portable camera designers by using small 4mm x 5mm TQFN packaging and by providing a largely mirrored pin-out that allows a pair of devices to be used with sensors having dual video outputs with minimal wasted board space. Integration of additional reset gate (RG) and last h (HL) drivers significantly simplifies signal routing and saves space on the sensor board.

With energy-saving features such as quick recovery standby and an ultra-efficient power-down mode, the ISL55112 offers substantial improvements in battery life for digital cameras. It is also compatible with low power 3V logic devices.

The ISL55112 can operate from a supply voltage up to 8V which can be unipolar or bipolar, making it compatible with a wide range of CCD sensor devices, and allowing it to be used in a wide range of imaging platforms.

The ISL55112 is now available in a 24-lead 4mm x 5mm TQFN package. Pricing starts at Rs.74.45($1.59) in 1,000-unit quantities.

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