AN1767, Solutions for Radio Frequency Electromagnetic Interference in Amplifier Circuits Application Note
In order to increase EMI immunity, Microchip Technology Inc. has started designing op amps and other linear devices with input EMI filters. For instance, the MCP642X family has enhanced EMI protection to minimize any electromagnetic interference from external sources, such as power lines, radio stations and mobile communications. This feature makes the devices well suited for EMI-sensitive applications.
Radio Frequency Electromagnetic Interference; Amplifier Circuits; EMI; MCP642X; EMIRR; Op Amps