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A/D converters dissipate 1.7mW at 1Ms/s

Posted: 29 Aug 2014 ?? ?Print Version ?Bookmark and Share

Keywords:A/D converters? data acquisition modules? handheld meters? portable electrocardiograms? heart rate monitors?

Analog Devices, Inc has announced three 12bit analogue-to-digital (A/D) converters that are designed to improve operating and static power budgets for industrial and medical equipment.

The 2-, 4- and 8-channel A/D converters are designed for battery-powered data acquisition modules, handheld meters, field instruments and communications applications as well as medical devices such as portable electrocardiograms and heart rate monitors. The A/D converters are said to be the most power-efficient in their class, dissipating a maximum of 1.7mW at 1Ms/s. The A/D converters are housed in a 4mm x 4mm LFCSP package and feature a 5ppm/C typ on-chip internal reference. The converters have programmable channel sequencer with access to the multiplexer output and user programmable alert that can signal an out-of-bounds condition without requiring the user to service the A/D converter output data. They also use SPI interface and operate over the C40C to 125C temperature range.

The AD7091R-2, AD7091R-4 and AD7091R-8 are respectively priced at $2.47, $2.67 and $3.36 each in 1,000-piece quantities.

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