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Creating a Ratiometric Current Excitation in Sensors Using the MAX1464 Signal Conditioner

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The MAX1464 can be easily configured to generate constant current excitation for sensors that is ratiometric to the power supply voltage for resistive transducer applications. Applications utilizing sensing elements with high temperature coefficients, TCR, such as piezo resistive bridges, RTDs, etc. are typically implemented with constant current excitation. This application note suggests a simple resistive network that can be implemented to provide a ratiometric current source for sensor excitation. ……
标签:MAX1464TCSTCR
Creating a Ratiometric Current Excitation in Sensors Using the MAX1464 Signal Conditioner
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