Manufacturer Part Number
AD7711AN
Manufacturer
Analog Devices
Introduction
The AD7711AN is a high-precision 24-bit Analog to Digital Converter designed for data acquisition applications. It employs sigma-delta architecture with differential inputs.
Product Features and Performance
Sigma-Delta architecture for high accuracy and low noise
24-bit resolution for high precision measurement
Differential inputs reduce common-mode noise
Programmable gain amplifier (PGA) enhances input signal
Sampling rate of 1k samples per second
Supports external and internal reference voltages
Two analog input channels
SPI data interface for simplified communication with microcontrollers
Product Advantages
High resolution and precision suitable for demanding applications
Integrated PGA allows flexibility in signal acquisition
Ability to choose between external and internal reference provides versatility
Robust operating temperature range from -40°C to 85°C
Key Technical Parameters
Number of Bits: 24
Sampling Rate: 1k samples per second
Number of Inputs: 2
Input Type: Differential
Data Interface: SPI
Voltage Supply, Analog: 5V to 10V
Voltage Supply, Digital: 5V
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Robust operating temperature ensures reliability in harsh environments
Through-hole mounting enhances board level security
Compatibility
Compatible with systems requiring SPI interface for data communication
Flexible with both external and internal reference voltage options
Application Areas
Industrial automation
Process control systems
Environmental monitoring systems
Precision data acquisition in scientific research
Product Lifecycle
Status: Obsolete
While no direct replacement is specified, newer models or upgrades may need to be evaluated based on similar specifications.
Several Key Reasons to Choose This Product
High-resolution 24-bit ADC ideal for precision applications
Differential inputs help mitigate signal noise
Built-in PGA provides configurable signal amplification
Wide operating temperature range enhances reliability
SPI interface facilitates easy integration into digital systems
AD7711AAR
AD7711AARZAnalog Devices