Sensing circuit and correction method thereof, pixel driving module and sensing method thereof, and display apparatus

A sensing circuit, comprising:

• an operation amplifier, an integration capacitor, a first switch, a second switch, a third switch, a fourth switch, a fifth switch, and a sixth switch, wherein
• the operation amplifier has an in-phase input terminal connected to a first node via the first switch, an anti-phase input terminal connected to a second node, and an output terminal connected to a third node;
• the integration capacitor has a first electrode connected to the second node, and a second electrode connected to the third node;
• the first node is connected to a sensing line via the second switch, and is connected to a first signal terminal via the third switch;
• the second node is connected to the sensing line via the fourth switch, and is connected to a second signal terminal via the fifth switch;
• the third node is connected to a signal output terminal of the sensing circuit;
• and
• the second node is connected to the third node via the sixth switch,
• wherein the first signal terminal is configured to provide a constant voltage signal, and
• the second signal terminal is configured to provide a constant current signal;
• and
• correction for the operation amplifier and the integration capacitor can be achieved according to signals provided from the first signal terminal, the second signal terminal and the sensing line, and a combination of turn-on states and turn-off states of the first switch, the second switch, the third switch, the fourth switch, the fifth switch, and the sixth switch.