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LE9502BTCT

更新时间： 2025-04-16 14:52:03
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
25页 413K
描述
SLIC, 2-4 Conversion, Bipolar, PQFP44, GREEN, TQFP-44

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LE9502BTCT 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：QFP包装说明：HTQFP, TQFP44,.47SQ,32
针数：44Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.29
Is Samacsys：N电池馈电：CONSTANT CURRENT
混合：2-4 CONVERSIONJESD-30 代码：S-PQFP-G44
JESD-609代码：e3长度：10 mm
最大噪声：15 dBrnC功能数量：1
端子数量：44最高工作温度：70 °C
最低工作温度：PSRR-Min：15 dB
封装主体材料：PLASTIC/EPOXY封装代码：HTQFP
封装等效代码：TQFP44,.47SQ,32封装形状：SQUARE
封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE电源：3.3 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Analog Transmission Interfaces最大压摆率：10 mA
标称供电电压：3.3 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：GULL WING端子节距：0.8 mm
端子位置：QUAD宽度：10 mm
Base Number Matches：1

LE9502BTCT 数据手册

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™
Le9502  
Ringing Subscriber Line Interface Circuit  
VE950 Series  
ORDERING INFORMATION  
APPLICATIONS  
„ Short/Medium Loop: approximately 2000 ft. of 26 AWG,  
and 5 REN loads  
Package1  
Packing2  
Device  
Le9502BTC  
Tray  
44-pin eTQFP (Green Package)  
„ Voice over IP/DSL – Integrated Access Devices, Smart  
Residential Gateways, Home Gateway/Router  
„ Cable Telephony – NIU, Set-Top Box, Home Side Box,  
Cable Modem, Cable PC  
1. The green package meets RoHS Directive 2002/95/EC of the  
European Council to minimize the environmental impact of  
electrical equipment.  
2. For delivery using a tape and reel packing system, add a "T" suffix  
„ Fiber–Fiber In The Loop (FITL), Fiber to the Home  
(FTTH)  
to the OPN (Ordering Part Number) when placing an order.  
„ Wireless Local Loop, Intelligent PBX, ISDN NT1/TA  
DESCRIPTION  
The Zarlink Le9502 Ringing Subscriber Line Interface Circuit  
(RSLIC) device from the VE950 series has enhanced and  
optimized features to directly address the requirements of  
FEATURES  
„ Integrated Dual-Channel Device  
— Built-in boost switching power supply tracks line voltage Voice over Broadband applications. Its goal is to reduce system  
minimizing power dissipation  
level costs, space, and power through higher levels of  
integration, and to reduce the total cost of ownership by offering  
better quality of service. The Le9502 RSLIC device provides a  
totally configurable solution to the BORSCHT functions for two  
lines. The resulting system is less complex, smaller, and  
denser, yet cost effective with minimal external components.  
The Le9502 RSLIC device requires only two power supplies:  
+3.3 VDC and nominally +12 VDC. The latter power supply can  
range from +8 VDC to +40 VDC, depending on the application.  
A single TTL-level clock source drives an external transistor  
which controls the ramp voltage that in turn feeds the switching  
regulators. Five programmable states are available: Active,  
Reverse Polarity, Ringing, Standby, and Disconnect. The DC  
feed, two-wire AC input impedance, hook-switch threshold, and  
ring trip threshold are programmable via external discrete  
components. Binary fault detection is provided upon  
application of fault conditions or thermal overload.  
— Only +3.3 V and +12 V (nominal) required  
— Wide range of input voltages (+8 V to +40 V) supported  
— Minimal external discrete components  
— 44-pin eTQFP package  
„ Ringing  
— 70 Vpk into 5REN  
— 90 Vpk capable  
— Sinusoidal or trapezoidal capability  
— DC offset support  
— Common differential interface for both channels  
„ World Wide programmability:  
— Two-wire AC impedance  
— Dual Current Limit  
— Loop closure and ring trip thresholds  
„ Five SLIC States, including:  
— Low power Standby state  
— Reverse Polarity  
BLOCK DIAGRAM  
Le9502  
RELATED LITERATURE  
Switching Power  
Supply  
„ 081189 Le9500 RSLIC Device Data Sheet  
„ 081208 Le9501 RSLIC Device Data Sheet  
„ 080696 Le77D11 VoSLIC™ Device Data Sheet  
„ 080697 Le78D11 VoSLAC™ Device Sheet  
„ 080716 Le77D11 /Le78D11 Chip Set User’s Guide  
Ring  
Tip  
2-wire  
Tip+Ring  
Interface  
2-wire to 4-wire  
conversion  
Differential  
Codec  
Codec  
Device  
„ 080780 Layout Considerations for the Le77D11 and  
Interface  
Le9502 Devices Application Note  
2-wire to 4-wire  
conversion  
2-wire  
Tip+Ring  
Interface  
Ring  
Tip  
Switching Power  
Supply  
Document ID# 081007 Date:  
Sep 18, 2007  
3
Rev:  
G
Version:  
Distribution:  
Public Document  
 
 
 
 
 
 
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