Description: The TCA520B is an integrated circuit from Philips Semiconductors. It is a monolithic integrated circuit designed for use in telephone applications. Features: Low power consumption Low voltage operation Low noise High input impedance High output impedance High frequency stability High temperature stability Applications: The TCA520B is commonly used in telephone applications such as: Telephone line interface circuits Telephone line protection circuits Telephone line switching circuits Telephone line monitoring circuits Telephone line ringing circuits(For reference only)Description: The TCA520B is an 8-pin DIP integrated circuit (IC) manufactured by Philips. It is a dual-channel, low-power, low-noise amplifier designed for use in audio applications.Features:- Low power consumption- Low noise- High input impedance- Low distortion- Wide operating temperature rangeApplications:- Audio amplifiers- Audio mixing consoles- Audio signal processors- Audio signal routing systems- Audio signal conditioning systems(For reference only)
https://www.utsource.net/itm/p/719993.html