资料介绍
摘要：该电路保护汽车意外地接触到汽车的电池电压（ 16V最大）视频放大器，电压检测故障，并迅速打开功放和电池之间的连接。
Maxim > App Notes > Circuit Protection Video Circuits
Keywords: automotive circuit protection, video DACs, digital inverters, MOSFETs Nov 16, 2010
APPLICATION NOTE 4516
Simple Circuit Protects Automotive Video Drivers from Overvoltage
Abstract:This circuit protects automotive video amplifiers from accidental exposure to the car's battery voltage (16V maximum),
by sensing voltage faults and quickly opening the connection between amplifier and battery.
A similar version of this article appeared in the May 20, 2008 issue of Electronic Design magazine.
In a typical automotive video application, the video DAC (from a rear camera or DVD player, for example) is followed by a lowpass
reconstruction filter and an amplifier th
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