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LE79R241FQC PDF预览

LE79R241FQC

更新时间： 2024-12-01 21:09:31
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
27页 674K
描述
SLIC, Bipolar, 8 X 8 MM, GREEN, MO-220, QFN-32

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中文翻译

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LE79R241FQC 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC32,.32SQ,32
针数：32Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.19
电池供电：-15 TO -99 VJESD-30 代码：S-XQCC-N32
JESD-609代码：e3长度：8 mm
最大噪声：11 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：25 dB
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装等效代码：LCC32,.32SQ,32封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE电源：5 V
认证状态：Not Qualified座面最大高度：1 mm
子类别：Analog Transmission Interfaces最大压摆率：10 mA
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：COMMERCIAL端子面层：MATTE TIN
端子形式：NO LEAD端子节距：0.8 mm
端子位置：QUAD宽度：8 mm
Base Number Matches：1

LE79R241FQC 数据手册

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™
Le79R241  
Intelligent Subscriber Line Interface Circuit  
VE790 Series  
APPLICATIONS  
ORDERING INFORMATION  
„ Enables a cost effective voice solution for long or short  
loop applications providing POTS and integrated test  
capabilities  
A VE790 series ISLAC™ device must be used with this part.  
Device  
Package Type1, 2  
Packing3  
Le79R241JC  
Le79R241DJC  
Le79R241QC  
Le79R241FQC  
32-pin PLCC  
32-pin PLCC (Green)  
32-pin QFN  
Tube  
— CO  
— DLC  
— PBX/KTS  
— Pair gain  
Tray  
32-pin QFN (Green)  
1. Due to size constraints, QFN devices are marked by omitting the  
“Le” prefix and the performance grade dash character. For  
example, Le79R241QC is marked 79R241QC.  
FEATURES  
„ Monitor of two-wire interface voltages and currents  
2. The green package meets RoHS Directive 2002/95/EC of the  
European Council to minimize the environmental impact of  
electrical equipment.  
supports  
— Voice transmission  
— Internal chip ring generation  
— Programmable DC feed characteristics  
3. For delivery using a tape and reel packing system, add a "T" suffix  
to the OPN (Ordering Part Number) when placing an order.  
–
Independent of battery  
DESCRIPTION  
–
Current limited  
The Le79R241 Intelligent Subscriber Line Interface Circuit  
(ISLIC™) device, in combination with a VE790 series ISLAC™  
device, implements the telephone line interface function. This  
enables the design of a low cost, high performance, fully  
software programmable line interface for multiple country  
applications worldwide. All AC, DC, and signaling parameters  
are fully programmable via microprocessor or GCI interfaces  
on the VE790 series ISLAC device. Additionally, the Le79R241  
ISLIC device has integrated self-test and line-test capabilities  
to resolve faults to the line or line circuit. The integrated test  
capability is crucial for remote applications where dedicated  
test hardware is not cost effective.  
— Selectable off-hook and ground-key thresholds  
— Subscriber line diagnostics  
–
–
–
–
–
Leakage resistance  
Loop resistance  
Line capacitance  
Bell capacitance  
Foreign voltage sensing  
— Power cross and fault detection  
„ Supports internal short loop or external ringing  
„ +5 V and battery supplies  
„ Dual battery operation for system power saving  
— Automatic battery switching  
— Intelligent thermal management  
„ Compatible with inexpensive protection networks  
RELATED LITERATURE  
„ 080248 Le79231 ISLIC™ Device Data Sheet  
„ 080253 Le79R251 ISLIC™ Device Data Sheet  
„ 080250 Le79Q224x Quad ISLAC™ Device Data Sheet  
„ 081065 Le79228 Quad ISLAC™ Device Data Sheet  
„ 080262 VE790 Series Evaluation Board User’s Guide  
„ 080804 Le79R2xx/Le79Q224x Chip Set User’s Guide  
„ 080923 Le79R2xx/Le79228 Chip Set User’s Guide  
„ 081103 Le79610 PacketSLAC™ Device Data Sheet  
— Accommodates low tolerance fuse resistors or PTC  
thermistors  
„ Metering capable  
— 12 kHz and 16 kHz  
— Smooth polarity reversal  
„ Tip-open state supports ground start signaling  
„ Integrated test load switches/relay drivers  
„ 5 REN with DC offset trapezoid.  
— For US standard:  
— drives ring up to 4.4 kft of 26 gauge wire.  
— drives ring up to 7 kft of 24 gauge wire.  
— For European (British) standard:  
— drives ring up to 1.7 km of 0.5 mm copper cable.  
■ Space Saving Package Options (8x8 QFN)  
Document ID# 080249 Date:  
Rev: Version:  
Distribution: Public Document  
Sep 19, 2007  
2
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