L6720
L6721
MINITEL INTERFACE
ADVANCE DATA
ONE NON INVERTING LINE DRIVER
ONE NON INVERTING LINE RECEIVER
LINE TRANSCEIVER: (TOWARDS PERIPH-
ERALS)
- non inverter from Minitel to peripherals
- inverter from peripherals to Minitel
POWER SUPPLY
- not regolated output voltage
- internal low drop power switch with antisatura-
tion circuit
- output protected against short circuit
- standby mode operation with an external signal
AUDIO AMPLIFIER
- one input, one output
- one pin for supply rejection
- internal fixed gain
THERMAL SHUTDOWN
DESCRIPTION
This device performs the functions of a complete
interface for Minitel peripheral plug.
PIN CONNECTIONS
Powerdip 16+2+2
ORDERING NUMERS:
L6720
L6721
It integrates one line driver, one line receiver, one
line transceiver, a power supply for peripherals,
and an audio amplifier, Two version are provided:
- L6720 which needs a negative supply.
- L6721 which doesn鈥檛 use a negative supply.
L6720
L6721
November 1991
This advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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