Analogue, Mixed Signal, LSI


Current sense amplifier guarantees low temperature drift

25 July 2007 Analogue, Mixed Signal, LSI

Analog Devices claims that its AD8210 bidirectional current sense amplifier is the industry’s most integrated, flexible and accurate. The device features ±8 μV/°C maximum offset drift and 20 ppm/°C maximum gain drift guaranteed across the entire -40°C to +125°C temperature range, combined with 500 kHz bandwidth and 20 V/V gain.

The device improves the user's ability to meet their error budget and to control more precisely a wide range of loads in communications, industrial, and medical applications.

Two other bidirectional monitors - the AD8205 (gain of 50 V/V) and the AD8206 (gain of 20 V/V) - offer 50 kHz operation and excellent performance over temperature. All three amplifiers feature an innovative ratiometric output offset architecture that inherently improves the accuracy of the user's ADC and therefore the system. With a typical 5 V single-supply, each device can be configured for both bidirectional and unidirectional current sensing. Output accuracy is maintained throughout the input voltage range through the use of a proprietary thin film precision network.



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