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UTCTEA1062 Datasheet

  • UTCTEA1062

  • LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTE...

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  • UTC-IC

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UTC TEA1062/1062A LINEAR INTEGRATED CIRCUIT
LOW VOLTAGE TELEPHONE
TRANSMISSION CIRCUIT WITH
DIALLER INTERFACE
DESCRIPTION
The UTC TEA1062/1062A is a bipolar integrated
circuit performing all speech and line interface
function,
telephone
between
required
dialing
in
the
fully
electronic
sets. It performs electronic switching
speech. The circuit is able to
SOP-16
operate down to D.C. line voltage of 1.6V (with
reduced performance) to facilitate the use of more
telephone sets in parallel.
DIP-16
FEATURES
* Low d.c. line voltage; operates down to 1.6V
(excluding polarity guard).
*Voltage regulator with adjustment static resistance.
*Provides supply with limited current for external
circuitry.
*Symmetrical high-impedance inputs (64k鈩?for
dynamic, magnetic or piezoelectric microphones.
*Asymmetrical high-impedance inputs (32k鈩?for
electret microphones.
*DTMF signal input with confidence tone.
*Mute input for pulse or DTMF dialing.
*Receivering amplifier for several types of earphones.
*Large amplification setting range on microphone
and earpiece amplifiers.
*Line loss compensation facility , line current
depedant (microphone and earpiece amplifiers).
*Gain control adaptable to exchange supply.
*Possibility to adjust the d.c. line voltage.
QUICK REFERENCE DATA
Line voltage at I
line
=15mA
Line current operating range[pin1]
normal operation
with reduced performance
Internal supply current
Supply current for peripherials
at I
line
=15 mA MUTE input LOW(1062 is HIGH)
VCC>2.2V
VCC>2.8V
Voltage amplification range
microphone amplifier
receiving amplififer
Line loss compansation
Amplification control range
Exchange supply voltage range
Exchange feeding bridge resistance range
Operating ambient temperature range
V
LN
I
line
I
line
I
CC
typ.
3.8 V
11 to 140 mA
1 to 11 mA
typ. 1mA
I
p
I
p
A
VD
A
VD
A
VD
V
exch
R
exch
T
amb
typ.
typ.
1.8mA
0.7mA
44 to 52 dB
20 to 39 dB
typ. 6 dB
36 to 60V
400 to 1000
婁 賂
-25 to +75擄C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R108-001,A

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