DS2450

The DS2450 is an A/D converter module with a resolution of up to 16-bit.
Additionally, the four channels can also be used as an output (4 mA).
Further details check out on the data sheet.

Configuration

Alternatively, you can select any of the four channels as a "Digital Output" and "Analog Input".
In addition, two voltage ranges are available: 2.55 V and 5.1 V.

Furthermore, the resolution between 1-bit and 16-bit is adjustable: