Supply voltage configurable sensor

A method for providing a sensor comprising:

• detecting which of a plurality of voltage ranges a supply voltage of the sensor falls within and generating a supply voltage signal, the supply voltage signal being a digital signal having at least a plurality of states, each of the plurality of states corresponding to a different one of the plurality of voltage ranges;
• sensing a parameter with a sensing element to generate a sensing element output signal;
• performing a fine sensitivity control on the sensing element output signal;
• performing a coarse gain adjustment and a coarse offset adjustment on the sensing element output signal, the coarse gain adjustment and the course offset adjustment being performed based on the supply voltage signal, the coarse gain adjustment and the coarse offset adjustment being performed after the fine sensitivity control is performed on the sensing element output signal, and
• generating, by an output driver, a sensor output signal that corresponds to the sensing element output signal,
• wherein performing the coarse gain adjustment and the course offset adjustment includes generating one or more configuration signals and providing the one or more configuration signals to a coarse gain selection block and a coarse offset selection block, thereby causing:
• (a) the coarse gain selection block to adjust a gain of the sensing element output signal and (b) the coarse offset selection block to adjust an offset that is being applied to the sensing element output signal.

A sensor comprising:

• a sensing element configured to generate a sensing element output signal indicative of a sensed parameter;
• means for detecting which of a plurality of voltage ranges a supply voltage of the sensor falls within and generating a supply voltage signal having at least a plurality of states, each of the plurality of states corresponding to a different one of the plurality of voltage ranges;
• means for performing a fine sensitivity control on the sensing element output signal;
• and
• means for performing a coarse gain adjustment and a coarse offset adjustment on the sensing element output signal, the coarse gain adjustment and the coarse offset adjustment being performed based on the supply voltage signal, the coarse gain adjustment and the coarse offset adjustment being performed after the fine sensitivity control is performed on the sensing element output signal,
• wherein performing the coarse gain adjustment find the coarse offset adjustment includes generating one or more configuration signals and providing the one or more configuration signals to a coarse gain selection block and a coarse offset selection block, thereby causing:
• (a) the coarse gain selection block to adjust a gain of the sensing element output signal and (b) the coarse offset selection block to adjust an offset that is being applied to the sensing element output signal.

A sensor comprising:

• a sensing element configured to generate a sensing element output signal indicative of a sensed parameter;
• a signal path responsive to the sensing element output signal, wherein the signal path is configured to generate a sensor output signal indicative of the sensed parameter, and wherein the signal path comprises:
• (i) an amplifier for amplifying the sensing element output signal;
• and (ii) an output driver for generating the sensor output signal;
• a supply voltage detector configured to generate a supply voltage signal indicative of which of a plurality of voltage ranges a supply voltage of the sensor falls within, the supply voltage signal having at least a plurality of states, each of the plurality of states corresponding to a different one of the plurality of voltage ranges;
• a coarse gain selection block;
• a fine sensitivity control block;
• and
• a computation block configured to perform a coarse gain adjustment on the sensing element output signal, the coarse gain adjustment being performed based on the supply voltage signal, the coarse gain adjustment being performed after a fine sensitivity control is performed on the sensing element output signal by the fine sensitivity control block, the coarse gain adjustment being performed by providing a first configuration signal to the coarse gain selection block thus causing the coarse gain selection block to adjust a gain of the amplifier.