Reg: LPC845 ADC maximum Negative Voltage to withstand.

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Reg: LPC845 ADC maximum Negative Voltage to withstand.

419件の閲覧回数
PK_1114
Contributor II

Hai,

What is the maximum allowable negative voltage on the ADC Pin in LPC845 Micro controller operating on the +3.3V.

Thank You,

B Pavan Kumar  

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359件の閲覧回数
ZhangJennie
NXP TechSupport
NXP TechSupport

Hi PK_1114 

According to datasheet, ADC anolog input limit is as below

ZhangJennie_0-1698221653986.png

It is recommended to connect an overvoltage protection diode between the analog input pin and the voltage supply pin.

Have a nice day,

Jun Zhang

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390件の閲覧回数
PK_1114
Contributor II
Hi,

Is there any Reverse Protection in the LPC845 ADC pin, if there what is it voltage tolerance. I need to give the Sinusoidal wave to the ADC.

Thank You,
B Pavan Kumar
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