Datasheet > UTCTEA1062N

UTCTEA1062N

更新时间： 2024-09-17 22:20:03

品牌	Logo	应用领域
友顺 - UTC		电话
页数	文件大小	规格书
13页	180K
描述
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE

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UTCTEA1062N 数据手册

UTCTEA1062N / TEA1062AN

LINEAR INTEGRATED CIRCUIT

LOW VOLTAGE TELEPHONE

TRANSMISSION CIRCUIT WITH

DIALLER INTERFACE

DESCRIPTION

The UTC TEA1062N / TEA1062AN is a bipolar

integrated circuit performing all speech and line

interface function, required in the fully electronic

SOP-16

DIP-16

telephone

sets. It performs electronic switching

between dialing speech. The circuit is able to

operate down to D.C. line voltage of 1.6V (with

reduced performance) to facilitate the use of more

telephone sets in parallel.

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.

*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.

*Symmetrical high-impedance inputs (64kΩ) for

dynamic, magnetic or piezoelectric microphones.

*Asymmetrical high-impedance inputs (32kΩ) for

electret microphones.

*DTMF signal input with confidence tone.

QUICK REFERENCE DATA

Line voltage at Iline=15mA

Line current operating range[pin1]

normal operation

VLN

typ. 3.8 V

Iline

ICC

11 to 140 mA

1 to 11 mA

typ. 1mA

with reduced performance

Internal supply current

Supply current for peripherials

at Iline=15 mA MUTE input LOW(1062 is HIGH)

VCC>2.2V

typ. 1.8mA

typ. 0.7mA

VCC>2.8V

Voltage amplification range

microphone amplifier

AVD

44 to 52 dB

20 to 39 dB

receiving amplififer

Line loss compansation

Amplification control range

Exchange supply voltage range

Exchange feeding bridge resistance range

Operating ambient temperature range

AVD

typ. 6 dB

36 to 60V

Vexch

Rexch

Tamb

400 to 1000Ω

-25 to +75°C

UTC UNISONIC TECHNOLOGIES CO., LTD.

QW-R108-011,A

12 3 4 5 6 7...13

中文翻译

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