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MAX355：故障保护模拟多路复用器

The MAX354/MAX355 fault-protected multiplexers (muxes) use a series N-channel, P-channel, N-channel structure that protects the devices from overvoltage up to 40V beyond the supply rails during power-up, power-down, and fault conditions. The MAX354/MAX355 also protect sensitive circuit components against voltages near or beyond the normal supplies. The MAX354 single 8-channel mux and the MAX355 dual 4-channel mux protect analog signals while operating from a single 4.5V to 36V supply or ±4.5V to ±18V dual supplies. These muxes have 350Ω on-resistance and can be used for demultiplexing as well as multiplexing. Input leakage current is less than 0.5nA at +25°C and less than 5nA at +85°C. All digital inputs have 0.8V and 2.4V logic thresholds, ensuring both TTL and CMOS logic compatibility without pull-up resistors. Break-before-make operation is guaranteed and power consumption is less than 1.5mW.

关键特性 350Ω Max On-Resistance Improved 2nd Source for MAX358/MAX359 and DG458/DG459 Pin Compatible with ADG508F/ADG509F All Switches Off with Supplies Off On Switch Turns Off with Overvoltage Output Clamps at 1.5V Below Supply Rails 0.5nA Max Input Leakage at +25°C (5nA at +85°C) No Power-Up Sequencing Required TTL and CMOS-Logic Compatibility

MAX354、MAX355：引脚配置 应用 自动测试设备(ATE) 航空电子 数据采集 工业与过程控制 冗余/备份系统 信号路由

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