ANALOG DEVICES AD7707 handbook
Datasheet
AD7707 is a complete analog front end for low frequency measurement applications. This 3-channel device has 16-bit resolution and high accuracy, and can accept either low level input signals or high level (±10 V) signals. It features a programmable gain front end, supports multiple serial interfaces, and operates with various power supply voltage ranges. This product is suitable for applications that require high precision measurement.