Specifications: Use chip:ADS1256IDB Output rate :up to 30ksps, low nonlinearity is ± 0.0010%; Single-ended / differential input :the module can be configured as 8 single-ended inputs or 4 differential inputs; Working voltage :5V Size:60*35mm Features: 1.On-board high precision TI ADS1256IDB ADC chips 2.On-board ADR03 2.5V datum voltage source chips 3.Data output rates up to 30ksps, nonlinearity is low to ±0.0010% 4.The module can be configured as either 8 single-ended inputs or 4 differential inputs 5.ADS1256 module is suitable for measuring analog voltage within 3V 6.Module operating voltage is 5V Package includes: 1 x Module