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Transimpedance amps tout improved sensitivity

Posted: 14 Jul 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Vince Biancomano? MAZeT? MTI04CS/CQ? transimpedance amplifier?

MAZeT transimpedance amp

MAZeT's second-generation programmable-gain transimpedance (current-to-voltage) amplifiers, the MTI04CS/CQ, are suited for the company's JenColour photosensor family for evaluating light in tough-to-access environments or where the sensitivity of the human eye is inadequate. The transimpedance of these multichannel amplifiers, which compensates for the input capacitance of the photosensors (5pf to 80pF), is programmable in eight steps, from 25k to 20M, via three input pins.

The MTI04CS/CQ, suited to opto arrays in the ultraviolet, visible, near infrared and infrared regions for industrial temperature and distance measurement applications, integrates four channels on a single chip. The amps tout improved sensitivity, by a factor of four (sensitivity down to 25nA), and less noise. The amps also have a new power-saving mode.

The chips are available in SOP16 (CS version) and QSOP16 (CQ version) packages.

- Vince Biancomano

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