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ADS1191: ADS1191 and ADS1192

Lei wang
Expert 1620 points
Part Number: ADS1191
Other Parts Discussed in Thread: ADS1192,

Hi sir:

    ADS1191 and ADS1192 ,There are  the same Datasheet. And  I get the message form datasheet.That 1191 is one channel, 1192 is Two channel.

But The web ADS1191 also two channel ,and  I read the datasheet.  PIN ASSIGNMENTS and The internal block diagram they are same. 

So how I should to select?

  • 0
    TI__Mastermind 47595 points
    Hi Lei,

    Thank you for bringing this to our attention, it is indeed confusing.

    The only place on the ADS1191 product page that I see 2-channel is the datasheet link, are there any other places that you saw this?

    The ADS1191 will only have 1 active channel, IN2P and IN2N will be disconnected internally.

    For selecting a device, this post from the BIOFAQ should help: e2e.ti.com/.../2856804