Bio-sensing and temperature-sensing integrated circuit

A method of operating an integrated circuit, the method comprising:

• using a plurality of heating elements to adjust a temperature of a sensing film surrounded by the plurality of heating elements;
• using a first switching device to couple a bio-sensing device to a first signal path;
• generating, using the bio-sensing device, a bio-sensing signal on the first signal path in response to an electrical characteristic of the sensing film;
• using a second switching device to couple a temperature-sensing device to a second signal path;
• and
• generating, using the temperature-sensing device, a temperature-sensing signal on the second signal path in response to a temperature of the sensing film,
• wherein the first and second switching devices, the bio-sensing device, the temperature-sensing device, and the sensing film are components of a sensing pixel of a plurality of sensing pixels of the integrated circuit.

A method of operating an integrated circuit, the method comprising:

• using a first switching device to couple a bio-sensing device to a first signal path;
• generating, using the bio-sensing device, a bio-sensing signal on the first signal path in response to an electrical characteristic of a sensing film;
• using a first analog-to-digital converter (ADC) to generate a first digital signal based on the bio-sensing signal;
• using a second switching device to couple a temperature-sensing device to a second signal path;
• generating, using the temperature-sensing device, a temperature-sensing signal on the second signal path in response to a temperature of the sensing film;
• and
• using a second ADC to generate a second digital signal based on the temperature-sensing signal,
• wherein the first and second switching devices, the bio-sensing device, the temperature-sensing device, and the sensing film are components of a sensing pixel of a plurality of sensing pixels of the integrated circuit.