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LE7942BDJC PDF预览

LE7942BDJC

更新时间: 2024-11-30 20:39:11
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 392K
描述
SLIC, PQCC32, GREEN, PLASTIC, MS-016, LCC-32

LE7942BDJC 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:LCC
包装说明:QCCJ,针数:32
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.66JESD-30 代码:R-PQCC-J32
JESD-609代码:e3长度:13.97 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:QCCJ
封装形状:RECTANGULAR封装形式:CHIP CARRIER
认证状态:Not Qualified座面最大高度:3.556 mm
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
宽度:11.43 mmBase Number Matches:1

LE7942BDJC 数据手册

 浏览型号LE7942BDJC的Datasheet PDF文件第2页浏览型号LE7942BDJC的Datasheet PDF文件第3页浏览型号LE7942BDJC的Datasheet PDF文件第4页浏览型号LE7942BDJC的Datasheet PDF文件第5页浏览型号LE7942BDJC的Datasheet PDF文件第6页浏览型号LE7942BDJC的Datasheet PDF文件第7页 
Le7942B  
Subscriber Line Interface Circuit  
VE580 Series  
A
Voice Solution  
DISTINCTIVE CHARACTERISTICS  
„ Programmable constant-current feed  
„ Receive current gain = 500  
„ Compatible with Le7942 Device  
„ Tip Open state for ground-start lines  
„ –19 V to –58 V battery operation  
„ Ideal for PBX and KTS applications  
„ On-chip switching regulator for low-power  
dissipation  
„ Programmable loop-detect threshold  
„ Low standby power  
„ Performs polarity reversal  
„ Ground-key detector  
„ Pin for external ground-key noise filter capacitor  
„ Test relay driver option  
„ Can be used with or without the on-chip switching  
regulator  
„ On-hook transmission  
BLOCK DIAGRAM  
TESTOUT  
RINGOUT  
Test Relay Driver  
Ring Relay Driver  
A(TIP)  
C1  
C2  
C3  
C4  
E1  
Ground-Key  
Input Decoder  
and Control  
Detector  
HPA  
HPB  
DET  
Two-Wire  
Interface  
GKFIL  
RSN  
VTX  
Signal  
Transmission  
Off-Hook  
Detector  
B(RING)  
DA  
RD  
RDC  
CAS  
Power-Feed  
Controller  
Ring-Trip  
Detector  
DB  
VREG  
L
Switching  
Regulator  
VBAT  
BGND  
VCC  
VEE  
AGND/DGND  
CHS  
CHCLK  
QBAT  
15474A-001  
Document ID# 081195 Date:  
Sep 19, 2007  
NOTE: On August 3, 2007, Zarlink Semiconductor acquired the products and  
technology of Legerity Holdings.  
Rev:  
E
Version:  
2
Distribution:  
Public Document  

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