Datasheet > AS2534RW

AS2534RW

更新时间： 2024-11-09 06:37:47

品牌	Logo	应用领域
艾迈斯 - AMSCO		电话
页数	文件大小	规格书
25页	429K
描述
Multi-Standard CMOS Telephone IC for Basic Telephones

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AS2534RW 数据手册

austriamicrosystems

Multi-Standard CMOS Telephone IC

for Basic Telephones

DATA SHEET

AS2533-36

Rx and Tx soft clipping to avoid harsh distortion

Real or complex impedance (EU compliant)

Stabilized supply for dialler and peripherals

Automatic line loss compensation

General Description

The AS253x is a CMOS integrated circuit that contains all

the functions needed to build a high performance electronic

telephone set with basic features.

Operating range from 13 to 100 mA (down to 5 mA with

reduced performance)

The AS253x incorporates a line interface, a speech circuit,

a dialler and ringer. It is a real single-chip / single-die IC

with 28 pins. It allows either package mounting or chip-on-

board mounting.

Unique EMI performance (EU compliant)

Dialler

LD/MF dialing and mixed-mode dialing

The device is available in 4 versions (pin-compatible) with

different features ranging from LNR only (last number

redial) to 4 direct (one-touch) memories and 10 indirect

(two-touch) memories. The sliding cursor procedure makes

the LNR function easy to use under various PABX systems.

31 digit last number redial (LNR)

4 direct/10 indirect (AS2533/36), 12 direct (AS2535)

Repeat dialing by busy or engaged (not AS2535)

Confidence tone during memory programming and mute

Notepad memory function

The versatility of the circuit is provided by pin options and a

few external components. This allows fast time-to-market

and easy adaptation to different PTT requirements. A

unique EMI performance has been achieved due to the

consequent use of CMOS amplifiers.

Pause key for access pause or wait function

3 flash timings, 100 ms, 280 ms and 375/600 ms

Sliding cursor protocol with comparison

Ringer

Ring frequency discrimination

Key Features

3-tone melody generator

Ring melody selection via keyboard

Ring volume selection via keyboard

Version available with fixed ring melody and ring volume

Line Interface and Speech Circuit

Electronic Rx volume control

Electronic microphone mute

Package

Microphone amplifier with symmetrical input

SOIC 28 or DIE

Block Diagram

Figure 1 Block Diagram

Revision 8.8

Page 1 of 25

12 3 4 5 6 7...25

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与AS2534RW相关器件

型号	品牌	获取价格	描述	数据表
AS2535	AMSCO	获取价格	Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
AS2535F	AMSCO	获取价格	Multi-Standard CMOS Telephone IC for Basic Telephones
AS2535P	AMSCO	获取价格	Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
AS2535T	AMSCO	获取价格	Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
AS2535W	AMSCO	获取价格	Multi-Standard CMOS Telephone IC for Basic Telephones
AS2536	AMSCO	获取价格	Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
AS2536F	AMSCO	获取价格	Multi-Standard CMOS Telephone IC for Basic Telephones
AS2536P	AMSCO	获取价格	Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
AS2536T	AMSCO	获取价格	Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
AS2536W	AMSCO	获取价格	Multi-Standard CMOS Telephone IC for Basic Telephones

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