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容错模拟开关

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摘要:下面的讨论中介绍了Maxim的新的并行检测故障保护架构的优势超过传统的系列场效应管的方法。
Maxim > App Notes > SWITCHES AND MULTIPLEXERS

Keywords: fault-protection, analog switch, CMOS analog multiplexers, overvoltage, zener clamp, parallel Mar 25, 2001
sense, series protection diodes, fault protected switches, analog multiplexer

APPLICATION NOTE 745
Fault-Tolerant Analog Switches

Abstract: The following discussion describes the advantages of Maxim's new parallel sense fault-protection
architecture over the traditional series-FETs approach.


In certain applications, board designers add circuitry to protect analog-switch inputs from voltages that exceed
the supply rails. When these voltages are present, not only must the switch survive them, but also―to protect
the circuitry downstream from the switch―the voltage from the switch's output must remain within its supply
rails.……
容错模拟开关
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