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AS2535T

更新时间： 2024-01-15 21:07:18
品牌 Logo 应用领域
艾迈斯 - AMSCO 电信集成电路光电二极管电话
页数 文件大小 规格书
25页 274K
描述
Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping

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中文翻译

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AS2535T 技术参数

生命周期：Contact Manufacturer包装说明：SOP, SOP28(UNSPEC)
Reach Compliance Code：unknown风险等级：5.7
JESD-30 代码：R-PDSO-G28端子数量：28
最高工作温度：70 °C最低工作温度：-25 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP28(UNSPEC)封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：3.8/5 V
认证状态：Not Qualified子类别：Telephone Circuits
最大压摆率：5 mA表面贴装：YES
技术：CMOS温度等级：OTHER
端子形式：GULL WING端子位置：DUAL
Base Number Matches：1

AS2535T 数据手册

 浏览型号AS2535T的Datasheet PDF文件第2页浏览型号AS2535T的Datasheet PDF文件第3页浏览型号AS2535T的Datasheet PDF文件第4页浏览型号AS2535T的Datasheet PDF文件第5页浏览型号AS2535T的Datasheet PDF文件第6页浏览型号AS2535T的Datasheet PDF文件第7页 
Data Sheet  
AS2533...6  
Multi-Standard CMOS Single Chip  
Telephone IC with Dual Soft Clipping  
®
Austria Mikro Systeme International AG  
General Description  
The AS253x is a CMOS integrated circuit that contains  
all the functions needed to form a high performance  
electronic telephone.  
Key Features  
❑ Line/speech circuit, LD/MF repertory dialler and  
tone ringer on one 28 pin CMOS chip  
❑ Operating range from 13 to 100 mA (down to 5 mA  
with reduced performance)  
❑ Soft clipping to avoid harsh distortion  
❑ Volume control of receive signal  
❑ Line loss compensation selectable by pin option  
❑ Low noise (max. - 72 dBmp)  
❑ Real or complex impedance  
❑ NET 4 compatible  
❑ LD/MF switchable dialling  
❑ Pacifier tone during programming  
❑ 31 digit last number redial  
❑ Repertory memories (not AS2534), 4 direct/10  
indirect (AS2533/6), 12 direct (AS2535)  
❑ Repeat dialling by busy or engaged (not AS2535)  
❑ Sliding cursor protocol with comparison  
❑ Pause key for access pause or wait function  
❑ 3 flash keys, 100 ms, 280 ms and 375/600 ms  
❑ On chip MF filter (CEPT CS 203 compatible)  
❑ Ring frequency discrimination  
ThedeviceincorporatesLD/MFrepertorydialling,melody  
generation, ring frequency discrimination and a high  
quality line/speech circuit.  
A RAM is on chip for a 31 digit last number redial and  
memories (not AS2534) each containing up to 21 digits/  
data. The sliding cursor procedure makes the LNR  
function easy to use under various PABX systems. Also  
centrex keys (not AS2535) are provided.  
Thedeviceincorporateavolumecontrolfortheearpiece.  
The volume can be controlled by the VOL key (+ 5.4 dB)  
or by the –/+ keys (+8.1 dB/-5.4 dB in 5 steps).  
The versatility of the circuit is provided by pin options  
and a few external components. This allows easy  
adaptation to different PTT requirements.  
❑ 3-tone melody generator  
Package  
Available in 28 pin SOIC or DIP.  
Block Diagramme  
La  
Z2  
Z
BAL  
Z1  
Lb  
RI  
LED  
LI  
CI  
LS  
STB  
AGND  
RO  
CS  
LINE  
CURRENT  
SENSE  
LINE ADAPTATION  
POWER EXTRACTION  
DC MASK  
SOFT CLIP  
AGC  
M2  
M1  
V
DD  
V
DD  
Vss  
MO  
AS253x  
R4  
R3  
MUTE  
MELODY  
SEQUENCER  
TONE  
GENERATOR  
RAM  
DIALLER  
R2  
R1  
FCI  
RING  
FREQUENCY  
DISCRIMINATION  
CONTROL  
LOGIC  
OSC  
OSC  
MFL  
C1  
C2  
C3  
C4  
HS/DP  
LLC  
MODE  
3.58  
MHz  
LLC Hi  
LLC Lo  
LLC Off  
KEY  
PAD  
A
GND  
1
July 1998  
Rev. 7  
1234567...25

中文翻译

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