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Forum Post: RE: ADC Recommendation for 1.8V I2C interface

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Jared, I don't think there's anything in the delta-sigma devices that goes that low in supply. For the ADS1115 /1015 family, the min supply is about 2.0V. However, on the SAR side of data converters there is the ADS7142 which should operate down to 1.65V. If there is a higher supply available, you can always use an I2C level shifter for communications and I've seen the PCA9306 used for that. Joseph Wu

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