AD7124-4 Datasheet (Analog Devices)

AD7124-4, Sigma-Delta ADC

Specifications 5 Timing Characteristics 11 Absolute Maximum Ratings 14 Thermal Resistance 14 ESD Caution14 Pin Configurations and Function Descriptions 15 Typical Performance Characteristics 18 Terminology 27 RMS Noise and Resolution 28 Full Power Mode 28 Mid Power Mode 31 Low Power Mode34 Getting

AD7124-4 Features

* 3 power modes

* RMS noise

* Low power: 24 nV rms at 1.17 SPS, gain = 128 (255 µA typical)

* Mid power: 20 nV rms at 2.34 SPS, gain = 128 (355 µA typical)

* Full power: 23 nV rms at 9.4 SPS, gain = 128 (930 µA typical)

* Up to 22 noise free bits in all power modes (gain = 1)