English
Language : 

TCA3388 Datasheet, PDF (1/16 Pages) Motorola, Inc – TELEPHONE LINE INTERFACE
Order this document by TCA3388/D
TCA3388
Advance Information
Telephone Line Interface
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.
TELEPHONE LINE
INTERFACE
SEMICONDUCTOR
TECHNICAL DATA
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
20
1
DP SUFFIX
PLASTIC PACKAGE
CASE 738
20
1
FP SUFFIX
PLASTIC PACKAGE
CASE 751D
PIN CONNECTIONS
RXI 1
TXI 2
Mic 3
LAO 4
LAI 5
HYL 6
HYS 7
CM 8
IMP 9
SAO 10
20 RXO2
19 RXO1
18 Gnd
17 VCC
16 Iref
15 MUT
14 PI
13 HSO
12 DCM
11 SAI
(Top View)
ORDERING INFORMATION
Device
Tested Operating
Temperature Range
Package
TCA3388DP
TCA3388FP TA = 0° to +70°C
DIP
SOIC
This document contains information on a new product. Specifications and information herein
are subject to change without notice.
© Motorola, Inc. 1995
MOTOROLA ANALOG IC DEVICE DATA
1