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ADS1211: ADS1210

Robert Pettersson
Prodigy 10 points
Part Number: ADS1211
Other Parts Discussed in Thread: ADS127L11

Hi,

I'm interested to hear what TI recommend as replacement for ADS1210? I have seen the Obsolete PCN for the ADS1210(TI Number PDN# 20220830000.3) and the two recommended parts there. But I was wondering if it exist anything else that TI recommends that could be evaluated with better 50 and 60 Hz filter rejection. On our design the digital voltages is 5V, analog voltages 5V, analog input is between 0-5V(Ain_neg connected to 0V), External 2,5V ref, SPI, /DSYNC, /DRDY is used. I would like to change as little as possible around the part. Is is possible to have direct phone contact? 

  • 0
    TI__Intellectual 910 points

    Hello Robert,

    Aside from the two recommended devices on the ADS1211 product page have you taken a look at the ADS127L11? This device will not be pin to pin, but it will be cheaper than the ADS1210 and should meet your listed requirements. It has the DRDY pin and Dsync pin (Start pin on ADS127L11).

    I am free to talk on the phone if you want to discuss more about how the ADC is used in your system. I will send you an email with my contact information.

    Regards,
    Josh