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Devices and methods for magnetic sensor output compensation based on ambient temperature
Devices and methods for magnetic sensor output compensation based on ambient temperature
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机译:基于环境温度的磁传感器输出补偿装置和方法
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摘要
The circuit has a magnetic sensor that produces an uncompensated magnetic sensor output signal. The temperature sensor produces an ambient temperature signal. The compensation circuit is connected to a magnetic sensor and a temperature sensor. The compensating circuit is compensated for the calculated temperature compensating signal to generate a temperature compensated magnetic sensor output signal, which reduces the thermally induced variation of the uncompensated magnetic sensor output signal. It is configured to add to the non-magnetic sensor output signal. In one embodiment, the compensating circuit forms a temperature compensating signal that is calculated as a function of an ambient temperature signal, a room temperature signal, a room temperature coefficient gain signal, a temperature coefficient gain signal and an uncompensated magnetic sensor output signal.
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