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CC1310: ADC acquisition @100Hz - power consumption to be reduced

Antonio Faggio
Expert 8010 points
Part Number: CC1310


Hi,

My customer has a question about CC1310 and also looking at results in terms of consumption that are behind competition ... which declares much smaller absorption.

We will have to acquire an analog signal at 100Hz and for example every 10 samples do some simple calculations and if a desired value is obtained it is necessary to activate the core of the micro Cortex M3 .. otherwise it remains in low consumption.

Currently we have tried to implement it with use of the Sensor Controller as suggested also by swra578 pag.17 (around 19uA) .... I wonder though if this is the technique with lower consumption.


I also ask you if CC1310 can still be considered the optimal choice for a new development.
On the CC1312 consumption performance has been improved as far as I know.

So which are the best way to obtain the least consumption?

Many Thanks,

Antonio

  • 0
    TI__Guru**** 317180 points

    For this type of use case it sounds like the Sensor Controller is a good fit. 

    I will get some power measurements @100 Hz for both CC1310 and CC13x2 to get accurate numbers for you. 

  • 0 in reply to TER
    TI__Expert 4560 points

    I made an example with the Sensor controller for the CC1312 and CC1310 of an ADC Sampling at100 Hz and measured the current consumption for both.

    For the CC1312 I got a average current consumption when using the ADC of 16.3 uA.

    For the CC1310 with the same settings, I get a current consumption of 20.9 uA. 

    Regards, 
    Vegard

  • 0 in reply to Vegard H
    TI__Guru**** 317180 points

    CC1310 vs CC1312 depends on the full spec for the application. 

    CC1312 has a larger feature set than CC1310 and more memory.I would normally say start with CC1310 and if you need the resources on CC1312, upgrade.