what's the internal resistance of ADC

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Wed, 2016-08-17 03:15

#1

RandyYu

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what's the internal resistance of ADC

can you give me a sheet that ADC Resistance varies with temperature .Becasue I have measured the internal resistance is only about 22.2K.the value is so little,
有很大的影响to my device
thank you

Device:

DA14580

Mon, 2016-08-29 08:36

#2

RandyYu

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please give me a answer.thank

please give me a answer.thank you

Tue, 2016-08-30 14:27

#3

JE_Dialog

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Hi Randy, please see

Hi Randy, please see quetsions with already answered message.. should be >22K. BR JE_DIalog ...

http://support.dialog-semiconductor.com/adc-input-loading-characteristics

http://support.dialog-semiconductor.com/using-adc-read-voltage-divider-value

http://support.dialog-semiconductor.com/what-adc-input-impedance

BR JE_Dialog