18-Bit Resolution, Sigma-Delta ADC 16-Bit Accuracy with No Missing Codes to 480sps Matched On-Board Current Sources (200μA) for Sensor Excitation Low Quiescent Current 250μA (operating mode) 2μA (power-down mode) 3 Fully Differential or 5 Pseudo-Differential Signal Input Channels 2 Additional, Fully Differential Calibration Channels/Auxiliary Input Channels Programmable Gain and Offset Fully Differential Reference Inputs Converts Continuously or On Command Automatic Channel Scanning and Continuous Data Output Mode Operates with Analog and Digital Supplies from +2.7V to +3.6V SPI™/QSPI™-Compatible 3-Wire Serial Interface 28-Pin SSOP Package Applications Loop-Powered Systems Portable Industrial Instruments Portable Weight Scales Pressure Sensors and Transducers
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