ICM7111中文资料Speech and Ringer Phone IC数据手册ICmic规格书

描述 Description

ICM7111 is a low cost CMOS Speech and Ringer integrated circuit (IC) that performs all the necessary speech and line interface functions for telephone sets.

ICM7111 supports digital interface to adjust received audio level.

特性 Features

·Includes Speech and Ringer Circuit in a single chip
·Digital volume control
·DTMF interface with adjustable gain
·Voltage regulator output
·Ring Frequency Discrimination
·Ring Melody Generator
·Operating Range From 15 to 100mA