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Power/Alternative Energy  

Keep power consumption in check with low-power comparators that autosense plugged-in accessories

Posted: 29 Jul 2009     Print Version  Bookmark and Share

Keywords:power consumption  low power comparators  autosense accessories 

Portable electronic devices usually include a single 3- or 4-connector jack, which can be a stereo headphone jack, a mono headphone jack with microphone input and hook switch, or a stereo headphone jack with microphone/hook-switch combination. Tiny, ultra low-power comparators like the MAX9060 series can be configured in various ways not only to consume negligible power, but also to provide small, simple and cost-effective detection of external accessories.

There is a common need for detecting jacks, headsets and hook switches in portable applications. Dedicated comparators such as the MAX9063 and MAX9028 series devices are ideal for those applications, especially as they occupy very little real estate and consume negligible power. These comparators offer an economical solution for detection circuitry in portable applications.

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