Datasheet Summary
Productnnu
ICs for Telephone
AGC IC for telephone speech network s Overview The AN6215S is an AGC IC for telephone speech network, and it incorporates an microphone input detection circuit and a receiver gain control circuit. It is especially best suited for cordless telephone thanks to a good speech tone quality obtained by reducing howling and echo sound. s Features
- Operation with wide power supply voltage range from
2.1 V to 6.0 V
- Enlargement of dynamic range by incorporating a vari- able VREF circuit that varies according to the supply voltage
- Possible to adjust the received voice attenuation amount with an external resistor
- Possible to adjust the AGC operating point...