adc - Analog input over-voltage protection using Schottky and Zener Diodes. Can it work? - Electrical Engineering Stack Exchange
Over-voltage protection for microcontroller ADC input pin. - Electrical Engineering Stack Exchange
AN015 - Input Protection Circuits
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AN015 - Input Protection Circuits
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Over voltage protection circuit for automotive use
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Designing a Simple Over-Voltage Protection Circuit using Zener Diodes
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A/D Protection Circuits, Protect Analog-to-digital Converter from Excessive or Negative Input Voltages
230V AC Mains Over Voltage Protection Circuit
