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LE7920-2JC PDF预览

LE7920-2JC

更新时间: 2024-02-22 06:26:06
品牌 Logo 应用领域
美高森美 - MICROSEMI 电池电信电信集成电路
页数 文件大小 规格书
19页 476K
描述
SLIC, 2-4 Conversion, PQCC32, PLASTIC, MS-016, LCC-32

LE7920-2JC 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:LCC
包装说明:QCCJ, LDCC32,.5X.6针数:32
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.12电池馈电:CONSTANT CURRENT
电池供电:-19 TO -58 V混合:2-4 CONVERSION
JESD-30 代码:R-PQCC-J32JESD-609代码:e3
长度:13.97 mm湿度敏感等级:3
最大噪声:10 dBrnC功能数量:1
端子数量:32最高工作温度:70 °C
最低工作温度:PSRR-Min:30 dB
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装等效代码:LDCC32,.5X.6封装形状:RECTANGULAR
封装形式:CHIP CARRIER峰值回流温度(摄氏度):265
电源:5 V认证状态:Not Qualified
座面最大高度:3.556 mm子类别:Analog Transmission Interfaces
最大压摆率:8.5 mA标称供电电压:5 V
表面贴装:YES电信集成电路类型:SLIC
温度等级:COMMERCIAL端子面层:MATTE TIN
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:11.43 mmBase Number Matches:1

LE7920-2JC 数据手册

 浏览型号LE7920-2JC的Datasheet PDF文件第2页浏览型号LE7920-2JC的Datasheet PDF文件第3页浏览型号LE7920-2JC的Datasheet PDF文件第4页浏览型号LE7920-2JC的Datasheet PDF文件第5页浏览型号LE7920-2JC的Datasheet PDF文件第6页浏览型号LE7920-2JC的Datasheet PDF文件第7页 
Le7920  
Subscriber Line Interface Circuit  
VE580 Series  
A
Voice Solution  
The Le7920 Subscriber Line Interface Circuit implements the  
basic telephone line interface functions, and enables the  
design of low cost, high performance, POTS line interface  
cards.  
DISTINCTIVE CHARACTERISTICS  
„ Control states: Active, Ringing, Standby,  
„ Programmable loop-detect threshold  
„ Programmable ring-trip detect threshold  
„ No –5 V supply required  
„ Current Gain = 500  
„ On-chip Thermal Management (TMG) feature  
and Disconnect  
„ Low standby power (35 mW)  
„ –19 V to –58 V battery operation  
„ On-hook transmission  
„ Two-wire impedance set by single external  
„ Four on-chip relay drivers and relay snubbers, 1  
impedance  
ringing and 3 general purpose (32 PLCC)  
„ Programmable constant-current feed  
BLOCK DIAGRAM  
TMG  
Relay  
RYOUT3  
Driver  
Relay  
RYOUT2  
Driver  
Relay  
RYOUT1  
Driver  
Ring Relay  
Driver  
RINGOUT  
A(TIP)  
D1  
D2  
D3  
C1  
C2  
HPA  
Input Decoder  
and Control  
Two-Wire  
DET  
Interface  
HPB  
VTX  
RSN  
Signal  
B(RING)  
Transmission  
Off-Hook  
Detector  
RD  
RDC  
CAS  
Power-Feed  
Controller  
DA  
DB  
Ring-Trip  
Detector  
VBAT  
BGND  
VCC VBREF AGND/DGND  
Document ID# 080146 Date:  
Sep 19, 2007  
2
NOTE: On August 3, 2007, Zarlink Semiconductor acquired the products and  
technology of Legerity Holdings.  
Rev:  
J
Version:  
Distribution:  
Public Document  

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