L3000SX-77 PDF预览

L3000SX-77

更新时间: 2025-07-20 22:08:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
29页 281K
描述
SUBSCRIBER LINE INTERFACE KIT

L3000SX-77 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:POWER, MO-166, SO-20
针数:20Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.79
电池馈电:RESISTIVE电池供电:-48 AND +72 V
混合:2-4 CONVERSIONJESD-30 代码:R-PDSO-G20
JESD-609代码:e0长度:15.9 mm
功能数量:1端子数量:20
最高工作温度:120 °C最低工作温度:-40 °C
PSRR-Min:30 dB封装主体材料:PLASTIC/EPOXY
封装代码:HSOP封装等效代码:SOP20,.56
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG
电源:5 V认证状态:Not Qualified
座面最大高度:3.6 mm子类别:Analog Transmission Interfaces
标称供电电压:5 V表面贴装:YES
技术:BIPOLAR电信集成电路类型:SLIC
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:11 mm
Base Number Matches:1

L3000SX-77 数据手册

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L3000S - L3030  
Table 1.  
Pin 28 of L3030 / Pin 12 of L3000S (C2)  
+ 3  
0
– 3  
+ 3  
0
Stand-by  
Conversation in Normal  
Battery Direct Polarity  
Conversation in Normal  
Battery Reverse Polar  
Pin 27 of L3030  
Pin of L3000S  
Not allowed.  
Not allowed.  
Conversation in Boost  
Battery Direct Polarity  
Conversation in Boost  
Battery Reverse Polar  
11  
– 3  
Ringing with Direct  
Polarity  
Not allowed.  
statesas listed in Table. 1.  
is inOnhookandPD statusonlyin emergencycon-  
ditionwhen it is mandatory to cut any possible dis-  
sipationbut no operationare requested.  
Appropriate combinations of two pins define the  
three modesof the ST SLIC, that are :  
a) Stand-by(SBY)  
b) Conversation (CVS), Normal and Reverse pola-  
rity  
c) Ringing (RING)  
d) BoostBattery(BB), Normal and Reversepolarity  
OPERATING MODES  
Stand-by (SBY) Mode  
In this mode, the bias currents of both L3000S and  
L3030arereducedasonlysomepartsofthetwocir-  
cuits are completely active, control interface and  
currentsensors among them. The current supplied  
tothe line is limited at 7mA,and the slope of theDC  
characteristiccorresponds to :  
A fifth status,Powerdown (PD), can be set discon-  
nectingthebiasresistor(RH)frompin10 ofL3000S  
by means of an external transistor.  
The main differencebetween Stand-by and Power  
down is that in SBY the power consumptionon the  
voltage battery VB– (– 48V) is reduced but the  
L3000SDC feedingand monitoring circuits are still  
active. In PD the power consumption on VB- is re-  
duced to zero, and the L3000S is completely swit-  
chedoff.  
2
R = x (RFS + 2RP)  
3
TheLinevoltageinon Hookconditionisjustthebat-  
teryvoltageminusthevoltagedrop(approx.15V)of  
the outputstage amplifiers (see Fig. 1).  
TheSBYstatusshouldbeusedwhenthe telephone  
Figure 1 : DC Characteristics in Stand-byMode.  
7/29  

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