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Data Sheet AD4130-4
32 μA, Ultra-Low Power, 24-Bit Sigma-Delta ADC with Integrated PGA and FIFO
FEATURES
► Ultra-low current consumption (typical) ► 32 µA: continuous conversion mode (gain = 128) ► 5 µA: duty cycling mode (ratio = 1/16) ► 0.5 µA: standby mode ► 0.1 µA: power-down mode
► Built-in features for system level power savings ► Current saving duty cycle ratio: 1/4 or 1/16 ► Smart sequencer and per channel configuration minimizes host processor load ► Deep embedded FIFO minimizes host processor load (depth of 256 samples) ► Autonomous FIFO interrupt functionality, threshold detection ► Single supply as low as 1.71 V increasing battery length
► RMS noise: 25 nV rms at 1.17 SPS (gain = 128) − 48 nV/√Hz ► Up to 22 noise free bits (gain = 1) ► Output data rate: 1.17 SPS to 2.