Sensor device and related method and system

A system, comprising:

• a sensor, which, in operation:
• detects a physical quantity and generates a conditioned digital signal indicative of the detected physical quantity;
• and
• generates a digital output signal of the sensor based on the conditioned digital signal and a group of parameters including an interpolation factor and a downsampling factor, the generating the digital output signal including:
• upsampling the conditioned digital signal based on the interpolation factor, generating an interpolated signal;
• and
• downsampling the interpolated signal based on the downsampling factor, generating the digital output signal;
• and
• an interface, coupled to the sensor, wherein the sensor, in operation, receives the group of parameters via the interface, wherein the sensor comprises a first decimator including:
• a low-pass filter having a cut-off frequency, wherein the low-pass filter, in operation, generates a filtered signal based on the interpolated signal;
• a downsampler coupled to the low-pass filter, wherein the downsampler, in operation, downsamples the filtered signal using a first decimation factor, generating a downsampled signal having a direct current (DC) component;
• and
• gain circuitry, coupled to the downsampler, wherein the gain circuitry, in operation, applies a gain to amplify or attenuate the DC component of the downsampled signal.

A method, comprising:

• detecting, by detection circuitry of a sensor, a physical quantity;
• generating, by the detection circuitry of the sensor, a conditioned digital signal indicative of the detected physical quantity;
• and
• generating, by signal processing circuitry of the sensor, a digital output signal of the sensor based on the conditioned digital signal and a group of parameters including an interpolation factor and a downsampling factor, the generating the digital output signal including:
• upsampling the conditioned digital signal based on the interpolation factor, generating an interpolated signal;
• and
• downsampling the interpolated signal based on the downsampling factor, generating the digital output signal, wherein downsampling the interpolated signal based on the downsampling factor comprises:
• filtering the interpolated signal using a low-pass filter having a cut-off frequency, obtaining a filtered signal;
• downsampling the filtered signal using a first decimation factor, obtaining a downsampled signal having a direct current (DC) component;
• and
• amplifying or attenuating the DC component, using a gain value.

A non-transitory computer-readable medium having contents which configure a sensor to perform a method, the method, comprising:

• detecting, by detection circuitry of the sensor, a physical quantity;
• generating, by the detection circuitry of the sensor, a conditioned digital signal indicative of the detected physical quantity;
• and
• generating, by signal processing circuitry of the sensor, a digital output signal of the sensor based on the conditioned digital signal and a group of parameters including an interpolation factor and a downsampling factor, the generating the digital output signal including:
• upsampling the conditioned digital signal based on the interpolation factor, generating an interpolated signal;
• and
• downsampling the interpolated signal based on the downsampling factor, generating the digital output signal, wherein downsampling the interpolated signal based on the downsampling factor comprises:
• filtering the interpolated signal using a low-pass filter having a cut-off frequency, obtaining a filtered signal;
• downsampling the filtered signal using a first decimation factor, obtaining a downsampled signal having a direct current (DC) component;
• and
• amplifying or attenuating the DC component, using a gain value.