Dual capacitive linearization circuit

A method comprising:

• applying a first input signal to a first sense element;
• applying a second input signal to a second sense element, wherein an output of the second sense element is coupled to an output of the first sense element;
• generating a signal, via the first sense element and the second sense element, responsive to a proof mass displacement;
• amplifying the generated signal via an amplifier;
• applying the amplified signal back to the proof mass via a first variable element and a second varying element;
• and
• varying a gain of the amplifier based on the proof mass displacement, wherein the gain is non-linear and wherein the generated signal received by the amplifier is non-linear and wherein the amplified signal is linear.

A device comprising:

• a micro-electro-mechanical system (MEMS) device configured to generate an output signal responsive to a stimulus, wherein the output signal is generated in response to a displacement associated with a component within the MEMS device;
• a first capacitor configured to change charges stored thereon responsive to the displacement associated with the component within the MEMS device;
• a second capacitor configured to change charges stored thereon in response to the displacement associated with the component within the MEMS device, wherein charges on the first capacitor have a different polarity than charges on the second capacitor;
• an amplifier configured to receive an input signal generated by the first capacitor and the second capacitor via the MEMS device, wherein the amplifier is configured to amplify the input signal to generate the output signal;
• a third capacitor connected between an output of the amplifier and an input of the amplifier that receives the input signal generated by the first capacitor and the second capacitor, wherein charges on the third capacitor changes in response to the displacement;
• and
• a fourth capacitor connected between the output of the amplifier and the input of the amplifier that receives the input signal generated by the first capacitor and the second capacitor, wherein charges on the fourth capacitor changes in response to the displacement,
• wherein a gain of the amplifier is based on the first capacitor, the second capacitor, the third capacitor, and the fourth capacitor, and wherein the gain is non-linear and wherein the input signal at the amplifier is non-linear and wherein the output signal is linear.