ADS122U04

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS122U04 SBAS752B – MAY 2017 – REVISED OCTOBER 2018 ADS122U04 24-Bit, 4-Channel, 2-kSPS, Delta-Sigma ADC With UART Interface 1 Features 1 Current Consumption as Low as 315 µA (typ) Wide Supply Range: 2.3 V to 5.5 V Programmable Gain: 1 to 128 Programmable Data Rates: Up to 2 kSPS Up to 20 Bits Effective Resolution Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS With Single-Cycle Settling Digital Filter Two Differential or Four Single-Ended Inputs Dual-Matched Programmable Current Sources: 10 µA to 1.5 mA Internal 2.048-V Reference: 5 ppm/°C (typ) Drift Internal 2% Accurate Oscillator Internal Temperature Sensor: 0.5°C (typ) Accuracy Three General-Purpose Inputs/Outputs 2-Wire UART Compatible Interface (8-N-1 Format) With Baud Rates up to 120 kBaud and Auto-Baud-Rate Detection Package: 3.0-mm × 3.0-mm × 0.75-mm WQFN 2 Applications Sensor Transducers and Transmitters: Temperature, Pressure, Strain, Flow PLC and DCS Analog Input Modules Temperature Controllers Climate Chambers, Industrial Ovens Patient Monitoring Systems: Body Temperature, Blood Pressure 3 Description The ADS122U04 is a precision, 24-bit, analog-todigital converter (ADC) that offers many integrated features to reduce system cost and component count in applications measuring small sensor signals. The device features two differential or four single-ended inputs through a flexible input mu...