Description
Data Sheet AD4131-4 32 μA, Ultra-Low Power, 16-Bit Sigma-Delta ADC with Integrated PGA .
Companion Products4 Specifications 5
ADC and AFE Specifications5 Analog Input Specifications 6 Reference Specifications6 Sensor Biasing Specification.
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 o
Applications
* Smart transmitters
* Wireless battery and harvester powered sensor nodes
* Portable instrumentation
* Temperature measurement: thermocouple, RTD, thermistors
* Pressure measurement: bridge transducers
* Healthcare and wearables
Figure 1. Functional Block Diagram
Rev. A DO