MAX4670
集成T1/E1/J1短程、长程保护开关
概述
完整的数据资料
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MAX4670是一款集成的T1/E1/J1模拟保护开关，适用于1+1和N+1线路卡冗余应用。该器件通过组合单个封装内包含的8个SPDT开关来保护两个T1/E1/J1端口。在T1/E1/J1长程和短程应用中，该开关器件针对高回波损耗和脉冲模板性能进行了优化。该器件可为建筑物内的短程应用提供内建的芯片侧浪涌保护功能。
关键特性
+3.3V单电源供电
4个DPDT/8个SPDT开关，支持2个T1/E1/J1端口
低RON
发送通道0.7Ω (典型值)；接收通道5Ω (典型值)
低CON /COFF
60pF/40pF (典型值)发送通道
24pF/12pF (典型值)接收通道
芯片浪涌保护
IEC 61000-4-5 (8µs至20µs电涌)
2类(±1kV)
-70dB (典型值)串扰/关断隔离(3MHz)
小型32引脚TQFN封装
Key Specifications:
Switches and Multiplexers (Low Voltage)
Part Number
Configuration
Number of Channels
Normally (Open/Closed)
VSUPPLY , Single (min) (V)
VSUPPLY , Single (max) (V)
RON (max) (Ω)
Bandwidth (MHz)
IL (OFF) (max) (nA)
tON (max) (nS)
tOFF (max) (nS)
QINJECTION (pC)
CON (pF)
COFF (pF)
Price**
MAX4670
SPDT
8
Open/Closed
2.7
3.6
9
30
0.01
400
200
8
24
12
$4.25 @ 1k
See All Switches and Multiplexers (Low Voltage) (158)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
参考文献： 19-3798;
Rev. 0;
2006-10-05
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