CCS/CC2530: CC2530 ADC

Alvin Chen

Expert 3925 points

Part Number: CC2530
Other Parts Discussed in Thread: Z-STACK

Tool/software: Code Composer Studio

I'm using TI CC2530 Development Kit, ADC values according to the module has the difference, need to consult.

Now on the datasheet of the module R301 Value for 56 k Ω,

But I according to each module test for 39.3/39.6/39.2.

The ADC test values have relationship with the resistance?

The ADC test values for other reasons, please let me know.

over 7 years ago

0 YiKai Chen over 7 years ago

Guru 735455 points

What datasheet do you mean here? I couldn't understand you question well. Can you elaborate? By the way, do you use Z-Stack?

0 Alvin Chen over 7 years ago in reply to YiKai Chen

TI__Expert 3925 points

Hi,YiKai

I use CC2530DK ADC,but sampling results have large error。R301 theoretical value is 56kΩ,R301 measured value 39.6/39.2/39.3 .Do ADC measured value and R301 value have relationship? what do have relation about ADC measured value?

0 YiKai Chen over 7 years ago in reply to Alvin Chen

Guru 735455 points

I don't see why ADC reading is related to R301. You can refer to sunmaysky.blogspot.tw/.../cc2530-adc-howto-in-ti-z-stack.html for CC2530 ADC usage.

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CCS/CC2530: CC2530 ADC