ADS1212U - Burr Brown

Manufacturer Part Number

ADS1212U

Manufacturer

Texas Instruments

Introduction

The ADS1212U is a precision 22-bit Analog to Digital Converter (ADC) featuring high-resolution sampling. It's designed for applications requiring accurate digital representations of analog signals. Packaged in an 18-SOIC format, this product, now obsolete, has been widely used in various data acquisition systems.

Product Features and Performance

High-resolution 22-bit Sigma-Delta ADC

Sampling rate of up to 6.25k samples per second

Single differential input for improved noise rejection

Programmable Gain Amplifier (PGA) for signal conditioning

SPI data interface for easy integration with digital systems

Supports both external and internal reference voltages

Operates on a 5V supply for both analog and digital circuits

Capable of operating in temperatures ranging from -40°C to 85°C

Product Advantages

High resolution and accuracy for detailed data acquisition

Flexible SPI interface simplifies digital system integration

PGA enhances input signal quality, adaptable to various signal levels

Dual voltage reference options increase system versatility

Reliable performance in a wide range of operating conditions

Key Technical Parameters

Number of Bits: 22

Sampling Rate: 6.25ksps

Input Type: Differential

Data Interface: SPI

Voltage Supply: Analog and Digital 5V

Operating Temperature: -40°C to 85°C

Package: 18-SOIC

Quality and Safety Features

Designed in compliance with standard safety regulations for electronic components

Rigorous quality control measures ensure high reliability and performance

Compatibility

SPI interface allows compatibility with most microcontrollers and digital systems

Adaptable to both external and internal reference voltages for diverse applications

Application Areas

Industrial data acquisition systems

Medical instrumentation

Environmental monitoring equipment

Laboratory research and development

Product Lifecycle

Status: Obsolete

Note: While the ADS1212U is no longer in production, alternatives or upgrades may be available for newer applications. Users should consult Texas Instruments for potential replacements.

Several Key Reasons to Choose This Product

The ADS1212U offers high-precision conversion for detailed analysis of analog signals.

Its versatile features, including a Programmable Gain Amplifier and the SPI interface, make it suitable for a wide range of applications.

Despite its obsolescence, its performance and reliability continue to make it a valuable component for systems where it is already integrated.

Texas Instruments' reputation for quality and support ensures that even for discontinued products, guidance for replacements or upgrades is available.