Texas Instruments has created a 16bit ADC that runs from as little as 315µA. Called ADS112C04, it is a ΣΔ device that will run from supplies between 2.3 and 5.5 V over -40 to +125°C. Interfacing on the digital side is I2C-compatible two-wire at up to 1Mbit/s, with  two address pins that allow selection of 16 different ...

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