Receiver circuit of interface circuit and operating method thereof

A receiver circuit comprising:

• a first capacitor that is connected to a first node and configured to store a first charge corresponding to a first input voltage during a first period;
• a first transistor comprising:
• a gate terminal connected to the first node,
• a drain terminal connected to a second node, and
• a source terminal connected to a first output node configured to output a first output voltage corresponding to the first input voltage;
• and
• a first reset switch comprising a first end is connected to the second node and a second end that is AC grounded, the first reset switch being turned on during the first period.

An operating method of a receiver circuit, the operating method comprising:

• receiving a first input voltage and performing a sampling operation for sampling a first charge corresponding to the first input voltage to a first capacitor connected to a first node;
• and
• performing a holding operation for generating a first output voltage corresponding to the first input voltage through a first output node by a first transistor comprising a gate terminal connected to the first node, a drain terminal connected to a second node, and a source terminal connected to the first output node,
• wherein the performing the sampling operation comprises turning on of a first reset switch comprising a first end connected to the second node and a second end that is AC grounded.