This module is 24bit ADC module. Single end or differential end single channel input. 2 wire serial interface. 5V/3.3V compatible.
For load cell, temperature sensor precision ADC conversion.

Specifications

TM7709 24bit no missing codes signma-delta ADC

• CLK, DIO, RDY connection to MCU
• LC filter for voltage reference input
• 0.003% nonlinearity
• Module size 19mmx15mmx9mm

Module Specification, arduino sketch and AVR sample code

Note: PCB color may not look exactly like the image.