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