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Develop DMM based on ADS1282

Xu Junhua
Prodigy 90 points
Other Parts Discussed in Thread: ADS1262, ADS1282

Hi,

I'm developing one 6.5bit DMM with ADS1262 or ADS1282. which one is better?

ADS1282 's INL is better than ADS1262, as I known, and anything else?

BTW, I need the CAD files and Gerber files for ADS1282 EVM, could anyone provide?

could TI provide the firmware source code for ADS1282 EVM.

Thanks，

Junhua

  • 0
    TI__Mastermind 44680 points

    Hi Junhua,

    The ADS1262 and ADS1282 are very different devices, even though they are both high resolution ADCs (32- and 31- bits, respectively).

    • The ADS1262 is more suited for DC (or low-frequency) applications. The ADS1262 is lower noise and has a much lower-latency digital filter. It also has excellent offset and gain error specifications.

    • The ADS1282 is more suited for AC applications. The ADS1282 has much better INL and THD performance. It also provides a wide bandwidth LPF (with a flat passband), as well as a HPF for removing DC or low-frequency signals.

    Please see your E2E provided email for information about the ADS1282EVM Gerber files.

    The ADS1282EVM firmware is not available for sharing; however, there is a much better example code project for the ADS1262 found here:  

    The code for both of these device would be very similar...The biggest difference would be the need to pay attention to the RDATAC and SDATAC modes of the ADS1282.

     

    Best Regards,
    Chris