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Sensors/MEMS??

Ultrasmall sensor interface is versatile DAQ device

Posted: 26 Nov 2007 ?? ?Print Version ?Bookmark and Share

Keywords:sensor interface device? data acquisition device? signal amplification circuitry?

An ultrasmall sensor interface launched by Semtech Corp. is one of the most versatile DAQ devices available, according to the company.

The SX8724 interfaces directly with up to six sensors, which can be a mix of pressure, magnetic and chemical, making the device truly a "sensing platform" that can be deployed across a manufacturer's complete range of sensors. Its small size enables electronics to be co-located with the sensor. With a digital output from the sensor, whether it be magnetic, pressure or chemical, manufacturers can provide a total solution to their customers. The device is designed to operate off a single Li-Ion battery without loss of its 16bit precision even with a depleted battery.

The device features Semtech's ZoomingADC, a 10-bit preamplifier with a programmable gain of between 0.1 and 1,000 and a 16bit ADC. The preamplifier delivers the highest gain on the market giving a high level of sensitivity.

"With an ability to directly read most Wheatstone bridge sensors and with flexible signal input, the SX8724 is the industry's most versatile sensing solution," said Michel Chevroulet, Sensing Product Group manager for Semtech's Wireless and Sensing Products Business Unit. "This flexibility and the focused amplification of our ZoomingADC technology allows customers to drive down the cost of their systems through the use of low-cost sensors."

The SX8724 is the smallest data acquisition device in Semtech's sensing machines product platform, making it possible to embed it directly inside a sensor enclosure. The device is available in a 4mm x 4mm MLPQ16 leadless, 16pin package that can be soldered by a regular SMD soldering process. It is RoHS and WEEE compliant.




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