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LE7942B-2JC PDF预览

LE7942B-2JC

更新时间: 2024-11-30 20:59:59
品牌 Logo 应用领域
加拿大卓联 - ZARLINK 电池电信电信集成电路
页数 文件大小 规格书
19页 470K
描述
SLIC, 2-4 Conversion, PQCC32, PLASTIC, MS-016, LCC-32

LE7942B-2JC 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:QCCJ, LDCC32,.5X.6Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.74
电池馈电:CONSTANT CURRENT电池供电:-19 TO -58 V
混合:2-4 CONVERSIONJESD-30 代码:R-PQCC-J32
JESD-609代码:e3长度:13.97 mm
湿度敏感等级:3负电源额定电压:-5 V
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:20 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:0.012 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

LE7942B-2JC 数据手册

 浏览型号LE7942B-2JC的Datasheet PDF文件第2页浏览型号LE7942B-2JC的Datasheet PDF文件第3页浏览型号LE7942B-2JC的Datasheet PDF文件第4页浏览型号LE7942B-2JC的Datasheet PDF文件第5页浏览型号LE7942B-2JC的Datasheet PDF文件第6页浏览型号LE7942B-2JC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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