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  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Value  
Unit  
V
Vb–  
Vb+  
Negative Battery Voltage  
Positive Battery Voltage  
– 80  
80  
V
|Vb–| + |Vb+| Total Battery Voltage  
140  
V
Vdd  
Vss  
Positive Supply Voltage  
Negative Supply Voltage  
+ 6  
V
– 6  
5
V
V
agnd – Vbgnd Max. Voltage between Analog Ground and Battery Ground  
V
Tj  
Max. Junction Temperature  
Storage Temperature  
+ 150  
°
°
C
C
Tstg  
– 55 to + 150  
THERMAL DATA  
Symbol  
Parameter  
Value  
Unit  
L3000S HIGH VOLTAGE  
Flexiwatt  
PWSO20  
Typ. 2  
Rth j-case  
Rth j-amb  
Thermal Resistance Junction to Case  
Thermal Resistance Junction to Ambient  
Max. 4  
°C/W  
°C/W  
Max. 50  
Max. 60  
L3030 LOW VOLTAGE  
Rth j-amb  
Max. Resistance Junction to Ambient  
80  
°
C/W  
OPERATING RANGE  
Symbol  
Parameter  
Operating Temperature Range  
Min.  
0
Typ.  
Max.  
70  
Unit  
Toper  
Vb–  
C
°
Negative Battery Voltage  
Positive Battery Voltage  
Total Battery Voltage  
– 70  
0
– 48  
+ 72  
120  
– 24  
+ 75  
130  
V
Vb+  
V
V
Vb– + Vb+  
Vdd  
Positive Supply Voltage  
Negative Supply Voltage  
Total Line Current (IL + IT)  
+ 4.5  
– 5.5  
+ 5.5  
– 4.5  
85  
V
Vss  
V
Imax  
mA  
FUNCTIONAL DESCRIPTION  
L3000S - High Voltage Circuit  
Thetwo groundshouldbe shortedtogetherata low  
impedancepoint.  
L3030 - Control Unit  
TheL3000Slineinterfaceprovidesabatteryfeeding  
fortelephonelinesandringing injection.TheICcon-  
tainsastatedecoderthatunderexternalcontrolcan  
force the following operational modes : stand-by,  
conversationand ringing.  
The L3030low voltagecontrolunit controls L3000S  
line interface module,giving the proper information  
to set line feed characteristic, to inject ringing and  
TTXsignal andsynthetizesthelineandbalanceim-  
pedances.An on chip digital interfaceallows a mi-  
croprocessor to control all the operations. L3030  
definesworking statesof line interface and also in-  
formsthe card controllerabout line status.  
In addition Power down mode can be forced con-  
necting the bias current resistor to VDD or leavingit  
open.  
Twopins,IL andIT, carryouttheinformationconcer-  
ninglinestatuswhich isdetectedby sensingtheline  
currentinto the outputstage.  
L3000S - Working States  
In order to carry out the different possible opera-  
tions,the L3000Shas several differentworkingsta-  
tes.Eachstateisdefinedbythevoltagerespectively  
applied by pins 27 and 28 of L3030 to the pins 11  
and 12 of L3000S.  
The L3000Samplifies both the AC and DC signals  
enteringat pin 6 (VIN) by a factorequal to 40.  
Separategroundsare provided :  
- Analog ground as a referencefor analog signals  
- Battery ground as a reference for the output sta-  
ges  
Three differentvoltage levels (– 3, 0, + 3) are avai-  
lable at each connection, so defining nine possible  
6/29  

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