Sensor Assembly with Interface Circuit Voltage Control
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United States of America
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Issued Date -
Nov 14, 2024
app pub date -
May 8, 2023
filing date -
May 8, 2023
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Abstract
A sensor assembly including a transducer and interface circuit with a DSL-controlled input voltage is disclosed. The interface circuit includes a logic circuit configured to generate and provide a pulse width and amplitude modulated (PWAM) signal to an n-bit iDAC coupled to an analog front end (AFE) amplifier or buffer. The PWAM signal is based on an output of a forward signal-path ADC or low-power ADC coupled to the AFE amplifier or buffer, wherein the n-bit iDAC regulates a voltage at the input of the AFE amplifier or buffer based on the PWAM signal.
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