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ADS1232IPWR

TIADS1232IPWR

Texas Instruments
24 Bit Analog to Digital Converter 2 Input 1 Sigma-Delta 24-TSSOP
Active2,217 in stock

Overview

The ADS1232IPWR is a high-precision, 24-bit analog-to-digital converter (ADC) designed for industrial sensor applications. It features a built-in programmable gain amplifier (PGA) and operates with a sigma-delta architecture, making it suitable for converting low-level sensor signals with high accuracy. The device offers two differential inputs and communicates via an SPI interface.

Why Choose This Part

This ADC provides a complete front-end solution for bridge sensors with its integrated low-noise PGA and 24-bit resolution, simplifying design for high-precision applications. Its ability to simultaneously reject 50Hz and 60Hz noise ensures stable readings in various environments. The low-drift internal oscillator and support for an external voltage reference up to 5V offer flexibility and enhance measurement stability.

Applications

Weight Scales
High-resolution measurement of load cell outputs for precision weighing scales, leveraging the 24-bit ADC and PGA for accurate readings from bridge sensors.
Pressure Sensors
Interfacing with bridge-based pressure sensors to digitize their small analog signals with excellent noise rejection and temperature stability.
Strain Gauges
Accurate conversion of strain gauge signals, benefiting from the integrated PGA to amplify low-level outputs and the sigma-delta architecture for noise-free data.
Temperature Measurement with Thermocouples
Precise digitization of thermocouple voltages when paired with an external cold-junction compensation, utilizing its high resolution for accurate temperature readings.
Industrial Process Control
Converting various analog sensor inputs in industrial control systems where high accuracy and noise immunity are critical for reliable operation.

Key Specifications

Features PGA
Input Type Differential, Single Ended
Architecture Sigma-Delta
Configuration MUX-PGA-ADC
Mounting Type Surface Mount
Data Interface SPI
Number of Bits 24
Package / Case 24-TSSOP (0.173", 4.40mm Width)
Reference Type External
Number of Inputs 2
Operating Temperature -40degC ~ 105degC
Supplier Device Package 24-TSSOP
Number of A/D Converters 1
Voltage - Supply, Analog 2.7V ~ 5.3V
Voltage - Supply, Digital 2.7V ~ 5.3V
Sampling Rate (Per Second) 80

Getting Started

To get started with the ADS1232IPWR, engineers can typically use evaluation modules provided by Texas Instruments. Software examples and driver libraries are often available to facilitate communication via the SPI interface from a microcontroller. Understanding the datasheet's timing diagrams and calibration procedures is crucial for optimal performance.

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