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BIASING CIRCUIT FOR HALL SENSOR AND HALL AMPLIFIER IN MOTOR DRIVING CIRCUIT
BIASING CIRCUIT FOR HALL SENSOR AND HALL AMPLIFIER IN MOTOR DRIVING CIRCUIT
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机译:电动机驱动电路中霍尔传感器和霍尔放大器的偏置电路
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摘要
Disclosed herein are a biasing circuit for a hall sensor and a hall amplifier in a motor driving circuit, the biasing circuit including: a regulator installed inside a singled packaged chip, supplied with external power, and regulating the external power in voltage appropriate for a circuit to supply the regulated voltage; the hall amplifier supplied with the voltage regulated from the regulator, receiving an output signal from the hall sensor outside the chip, and amplifying the output signal to output the amplified signal; first and second resistors supplied with the voltage from the regulator to generate an input voltage common mode (VCM) of the hall amplifier; and third and fourth resistors supplied with the voltage from the regulator to generate an input VCM of the hall sensor.
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