Part Details for AD8639 by Analog Devices Inc
Overview of AD8639 by Analog Devices Inc
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Part Details for AD8639
AD8639 CAD Models
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AD8639
Analog Devices Inc
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AD8639
Analog Devices Inc
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Samacsys Manufacturer | Analog Devices |
Resources and Additional Insights for AD8639
Reference Designs related to AD8639
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CN0280 - Robust Completely Isolated Current Sense Circuit with Isolated Power Supply for Solar Photovoltaic Converters
The circuit uses a 1mΩ sense resistor to measure peak current up to ±25 A using a dual AD8639 low offset amplifier. The gain of the amplifier is set to 10 to take advantage of the full scale range of the AD7401A sigma delta modulator. Higher currents can be measured (up to ±50 A or ±100 A) by simply lowering the gain of the AD8639 accordingly to ensure that the full scale input range of the AD7401A is used to the maximum advantage.