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Zero drift current-sense amplifier offers high bandwidth performance

Zero drift current-sense amplifier offers high bandwidth performance

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By eeNews Europe



Using a proprietary CMOS process, the AD8218 features a zero-drift core that provides an offset drift of + 100n V/°C over a −40 °C to +125 °C temperature range, while maintaining a typical small signal bandwidth of 500 kHz.     

ADI’s newest zero-drift current-sense amplifier has a 20 V/V fixed gain with a maximum ±0.35 percent gain error over the entire temperature range. The AD8218 zero-drift precision amplifier’s input common-mode can vary from 4 V to 80 V and includes a built-in reference for optimal dynamic range in unidirectional current monitoring or the ability to easily offset the output for bidirectional current sensing.    

Availability and Pricing   

The AD8217 is packaged in 8-lead MOSP and priced at $0.85 each per 1,000.  

The AD8218 is packaged in 8-lead MOSP and priced at $1.05 each per 1,000.  

The AD8219 is packaged in 8-lead MOSP and priced at $0.95 each per 1,000.     

More information about the AD8218 at  www.analog.com/AD8218.

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