Datasheet > U4089B-PFN

U4089B-PFN

更新时间： 2024-11-28 20:04:31

品牌	Logo	应用领域
TEMIC		/
页数	文件大小	规格书
23页	415K
描述
Telecom IC,

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中文翻译

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技术参数
数据手册

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U4089B-PFN 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.6	Base Number Matches：	1

U4089B-PFN 数据手册

U4089B-P

Monolithic Integrated Feature Phone Circuit

Description

The telephone circuit U4089B-P is a linear integrated An integrated voice switch with loudspeaker amplifier

circuit for use in feature phones, answering machines and enables loudhearing or hands-free operation. With an

fax machines. It contains the speech circuit, sidetone anti-feedback function, acoustical feedback during loud-

equivalent and ear protection rectifiers. The circuit is hearing can be reduced significantly. The generated

line-powered and contains all components necessary for supply voltage is suitable for a wide range of peripheral

the amplification of signals and adaptation to the line.

circuits.

D Voice switch

Features

D Supply voltages for all functional blocks of a

D DC characteristic adjustable

subscriber set

D Transmit and receive gain adjustable

D Symmetrical input of microphone amplifier

D Anti-clipping in transmit direction

D Automatic line-loss compensation

D Built-in ear protection

D Operation possible from 10-mA line current

D Filters against EMI on critical I/O

Benefits

D Complete system integration of analog signal

processing on one chip

D DTMF and MUTE input

D Very few external components

D Adjustable sidetone suppression independent

of sending and receiving amplification

D Less Components for EMI-protection

D Integrated amplifier for loudhearing operation

D Anti-clipping for loudspeaker amplifier

D Improved acoustical feedback suppression

D Selectable line impedance

Applications

Feature phone, answering machine, fax machine,

speaker phone

Speech

circuit

Audio

amplifier

Voice

switch

Dialer

12683

Ordering Information

Type

Package

SDIP30

Remarks

U4089B-PSD

U4089B-PFN

U4089B-PFNG3

Tubes

SSO44

Taped and reeled

Rev. A1, 29-Aug-00

1 (23)

12 3 4 5 6 7...23

中文翻译

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与U4089B-PFN相关器件

型号	品牌	获取价格	描述	数据表
U4089B-PFNG3	ATMEL	获取价格	Monolithic Integrated Feature Phone Circuit
U4089B-PFNG3	TEMIC	获取价格	Telecom IC,
U4089B-PFNG3Y	ATMEL	获取价格	Monolithic Integrated Feature Phone Circuit
U4089B-PFNY	ATMEL	获取价格	Monolithic Integrated Feature Phone Circuit
U4089B-PSD	TEMIC	获取价格	Telecom IC,
U4090B	TEMIC	获取价格	Monolithic Integrated Feature Phone Circuit
U4090B-FN	TEMIC	获取价格	Monolithic Integrated Feature Phone Circuit
U4090B-N	ETC	获取价格	U4090B-N [Updated 9/03. 34 Pages]
U4090B-NFN	TEMIC	获取价格	Telephone Multifunction Circuit, PDSO44, SSO-44
U4090B-NFN	ATMEL	获取价格	Telephone Multifunction Circuit, Bipolar, PDSO44, SSOP-44