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[FAQ] ADS1602: What are the reference options in the ADS16xx devices?

Keith Nicholas
Mastermind 41090 points
Part Number: ADS1602
Other Parts Discussed in Thread: ADS1601, ADS1606, ADS1605, ADS1625, ADS1626

What are recommended reference options for the ADS1601, ADS1602, ADS1605, ADS1606, ADS1625, and ADS1626 devices?

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    TI__Mastermind 41090 points

    The ADS16xx family of data converters have an internal reference and can also be used with an external reference.  When using the internal reference and power cycling the device below -20C, the reference may not startup.  The easiest method to insure proper startup of the internal reference at temperatures below -20C is to include a 50kOhm resistor from VCAP to AVDD.

    Please refer to the TI Application note ADS16xx Reference Options for more details and additional recommendations.