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ST952TQF7 PDF预览

ST952TQF7

更新时间: 2024-11-24 22:25:31
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
12页 142K
描述
D.A.A. LINE INTERFACE

ST952TQF7 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-32
针数:32Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.87
JESD-30 代码:S-PQFP-G32JESD-609代码:e0
长度:7 mm功能数量:1
端子数量:32最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:LQFP封装等效代码:QFP32,.35SQ,32
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
电源:TIP-RING VOLTAGE V认证状态:Not Qualified
座面最大高度:1.6 mm子类别:Other Telecom ICs
最大压摆率:0.12 mA表面贴装:YES
技术:HYBRID电信集成电路类型:2-4 WIRE CIRCUIT
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD宽度:7 mm
Base Number Matches:1

ST952TQF7 数据手册

 浏览型号ST952TQF7的Datasheet PDF文件第2页浏览型号ST952TQF7的Datasheet PDF文件第3页浏览型号ST952TQF7的Datasheet PDF文件第4页浏览型号ST952TQF7的Datasheet PDF文件第5页浏览型号ST952TQF7的Datasheet PDF文件第6页浏览型号ST952TQF7的Datasheet PDF文件第7页 
ST952  
D.A.A. LINE INTERFACE  
PRELIMINARY DATA  
.
.
.
HOOK SWITCH DRIVER  
RING INDICATOR  
LINE INTERFACE  
- DC TERMINATION (4V AT 20mA)  
- 2W/4W HYBRID CONVERTER  
- FLAT FREQUENCY RESPONSE DOWN TO  
10Hz FOR 56Kps MODEM  
.
TQFP32  
(7 x 7 x 1.4mm)  
(Thin Plastic Quad Flat Pack)  
ORDER CODE :  
INTERFACE WITH CAPACITIVE ISOLATION  
BARRIER  
CALLER ID INTERFACE  
DIGITAL PHONE LINE OR OVER LOOP  
CURRENT LIMIT DETECT  
PHONE LINE IN USE CHECK  
ST952TQF7  
.
.
If CLID external transistor switch is enabled, a  
limited amount of current, less than 1mA, is drawn  
from the line.  
In off-hook state, ST952 DC voltage, 4V at a 20mA  
line current, allows to interface with most of public  
networks in the world.  
.
APPLICATIONS  
.
MODEMS UP TO V.34, 33.6KBPS AND 56Kbps  
PCMCIA CARDS  
FAX MACHINES  
PERSONAL DIGITAL ASSISTANTS  
ANSWERING MACHINES  
HIGH FEATURE PHONES  
WEBPHONES AND SET TOP BOXES  
.
The return loss is externally adjustable to real or  
complex impedance.  
.
.
In case of a wrong connection in a digital phone  
line, ST952 detects the over current value and  
sends to ST75951 an alert signal through the ca-  
pacitive isolation barrier.  
Before starting a line connection, ST952 is abled  
to check if the line is used by an other terminal  
connected on the same telephone line.  
.
.
.
DESCRIPTION  
ST952 is a line interface designed to implement  
Modem application up to 56Kbps and Voice appli-  
cations.  
PIN CONNECTIONS  
ST952 interfaces between telephone line and ca-  
pacitive isolation barrier.  
A complete D.A.A. is made with ST75951 which  
interfaces between capacitive isolation barrier and  
the DSP or HSP signals.  
16 15 14 13 12 11 10  
9
TER1  
SET  
VDR  
LINE  
IDG  
17  
18  
19  
20  
21  
22  
23  
24  
8
7
6
5
4
3
2
1
LIM1  
LIM2  
TOFF  
D6  
Tip  
Digital  
ST75951  
ST952  
Signals  
D5  
Ring  
IDI  
RIN  
D4  
LINI  
It incorporates Krypton Isolation Inc. patented sili-  
con DAA technology.  
GAIN  
D3  
The ring burst signal is detected by ST952 and is sent  
to ST75951 through the capacitive isolation barrier.  
Usingthe controlsignalsgiven byST75951, through  
the capacitive isolation barrier, ST952 activates the  
off-hook or the CLID external transistor switch.  
25 26 27 28 29 30 31 32  
1/12  
December 1998  
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  

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