MAX4505 - 故障保护、高电压、信号线路保护器

MAX4505是Maxim美信半导体公司的一款保护器产品，MAX4505是故障保护、高电压、信号线路保护器，本站介绍了MAX4505的封装应用图解、特点和优点、功能等，并给出了与MAX4505相关的Maxim元器件型号供参考。

MAX4505 - 故障保护、高电压、信号线路保护器 - 保护器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX4505 is a single signal-line protector featuring a fault-protected input and rail-to-rail signal handling capability. The input is protected from overvoltage faults up to ±36V with power on or ±40V with power off. During a fault condition, the input terminal becomes an open circuit and only nanoamperes of leakage current flow from the source, while the switch output (AOUT) furnishes typically 19mA from the appropriate polarity supply to the load. This ensures an unambiguous rail-to-rail output when a fault begins and ends.

The MAX4505 protects both unipolar and bipolar analog signals using either unipolar (+9V to +36V) or bipolar (±8V to ±18V) power supplies. The device has no logic control inputs; the protector is always on when the supplies are on. On-resistance is 100Ω max, and on-leakage is less than 0.5nA at TA = +25°C. The MAX4505 is available in 5-pin SOT23 and 8-pin µMAX® packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Overvoltage Protection

±40V with Power Off

±36V with Power On

Open Signal Paths with Power Off

Output Clamps to Either Rail with an Input Overvoltage

100Ω max On-Resistance

10ns Overvoltage Turn-On Delay

No Latchup During Power Sequencing

Rail-to-Rail Signal Handling

500Ω Output Clamp Resistance During Overvoltage

Tiny 5-Pin SOT23 Package

热门应用

自动测试设备(ATE)

数据采集

热插拔板/系统

过程控制系统

冗余/备份系统

高灵敏度仪表

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