TCA3388中文资料Telephone Line Interface数据手册恩XP规格书

描述 Description

Overview The TCA3388 is a telephone line interface circuit which performs the basic functions of a telephone set in combination with a microcontroller and a ringer. It includes dc and ac line termination, the hybrid function with 2 adjustable sidetone networks, handset connections and an efficient supply point.
Archived content is no longer updated and is made available for historical reference only.

特性 Features

•Line Driver and Supply


•DC and AC Termination of the Telephone Line

•Selectable DC Mask: France, U.K., Low Voltage

•Current Protection

•Adjustable Set Impedance for Resistive and Complex Termination

•Efficient Supply Point for Peripherals

•Hook Status Detection




•Handset Operation

•Transmit and Receive Amplifiers

•Double Anti–Sidetone Network

•Line Length AGC

•Microphone and Earpiece Mute

•Transmit Amplifier Soft Clipping




•Dialing and Ringing

•Interrupter Driver for Pulse–Dialing

•Reduced Current Consumption During Pulse–Dialing

•DTMF Interfacing

•Ringing via External Ringer




•Application Areas

•Corded Telephony

•Cordless Telephony Base Station

•Answering Machines

•Fax

•Intercom

•Modem