Manufacturer Part Number
AD7731BRU
Manufacturer
Analog Devices
Introduction
The AD7731BRU is a high-precision Sigma-Delta Analog to Digital Converter (ADC) tailored for data acquisition systems, providing 24-bit resolution with a differential input configuration.
Product Features and Performance
24-bit resolution for high-accuracy measurements
Sigma-Delta architecture minimizes noise and enhances stability
Sampling rate of 6.4k per second for timely data acquisition
Features a Programmable Gain Amplifier (PGA) for signal conditioning
Operates with external voltage references for flexible system design
Input Type: Differential for better noise immunity
Data Interface includes SPI and DSP, allowing for versatile connectivity options
Configured with MUX-PGA-ADC for multiple signal input handling
Product Advantages
High resolution and sampling rate enhance measurement precision and speed
Differential inputs reduce common-mode noise, improving signal quality
PGA feature optimizes input signal amplitude, enhancing ADC performance
Key Technical Parameters
Number of Bits: 24
Sampling Rate (per second): 6.4k
Number of Inputs: 3, 5
Voltage Supply, Analog: 5V
Voltage Supply, Digital: 5V
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Robust operating temperature range suited for harsh environments
Superior signal handling due to Sigma-Delta architecture ensuring reliable performance
Compatibility
SPI and DSP interface compatibility for easy integration into existing data systems
Compatible with external reference voltages for versatile deployment
Application Areas
Industrial process control
Data acquisition systems
Portable instrumentation
Sensor signal conditioning
Product Lifecycle
Obsolete Product Status
Limited availability without specified replacement or upgrades
Several Key Reasons to Choose This Product
Exceptional resolution of 24 bits ideal for precision measurements
Suitable for a variety of applications due to its high sampling rate and robust temperature range
Incorporated PGA provides signal optimization, crucial for accurate ADC processing
Flexible interface options with SPI and DSP compatibility simplifying system integration
Reliable performance standardized by external voltage reference and differential input configuration.