AD7711AN - Analog Devices Inc.

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Status: Obsolete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