Description

The ADS1232 24-Bit Ultra Low Noise ADC is a high-precision analogue-to-digital converter module ideal for bridge sensor applications such as weigh scales and pressure sensors. With a built-in low-noise programmable delta-sigma ADC, internal oscillator, and high-resolution capabilities, this ADC delivers exceptional performance and accuracy. The ADS1232 simplifies integration with microcontrollers via its straightforward serial interface and pin-driven controls, eliminating the need for complex programming. Its onboard temperature sensor, flexible gain settings, and low-power modes make it a versatile choice for demanding analogue-to-digital conversion tasks.

Why Choose the ADS1232 ADC?

The ADS1232 offers an unparalleled solution for precision measurements, especially in applications involving bridge sensors. Its ultra-low noise performance ensures reliable results, while the flexible gain options support a wide range of input signals. Designed for efficiency, the ADS1232 features a built-in oscillator, on-demand offset calibration, and power-saving modes, making it ideal for both portable and high-precision systems. With its high effective resolution and simultaneous noise rejection, this ADC is the perfect choice for achieving accurate, stable, and consistent measurements.

Key Features

High Precision: Up to 23.5 effective bits for exceptional measurement accuracy.
Low Noise: RMS noise as low as 17nV at 10SPS (PGA = 128).
Programmable Gain: Selectable gains of 1, 2, 64, or 128 for versatile input scaling.
Temperature Sensor: Built-in temperature sensor for ambient monitoring (ADS1232).
Input Channels: Two differential inputs (ADS1232) or four differential inputs (ADS1234).
Flexible Data Rates: Supports 10SPS and 80SPS with simultaneous 50Hz and 60Hz noise rejection.
Clocking Options: Onboard low-drift oscillator or external crystal support.
Power Efficiency: Low-power standby and power-down modes.
Serial Interface: Easily connects to microcontrollers like MSP430.
Wide Operating Range: Supply voltage from 2.7V to 5.3V.

Technical Specifications

ADC Type: Precision delta-sigma ADC
Effective Resolution: 23.5 bits
RMS Noise: 17nV at 10SPS (PGA = 128), 44nV at 80SPS (PGA = 128)
Gain Settings: 1, 2, 64, 128
Input Channels: Two differential (ADS1232) or four differential (ADS1234)
Temperature Sensor: Included in ADS1232 model
Clock Options: Onboard oscillator or external crystal
Data Rates: 10SPS and 80SPS
Supply Voltage: 2.7V to 5.3V
Package: TSSOP-24 (ADS1232), TSSOP-28 (ADS1234)
Operating Temperature: -40°C to +105°C

The ADS1232 ADC is a complete, high-precision solution for bridge sensor applications. Its superior noise performance, flexible clocking, and user-friendly design make it a trusted choice for engineers and hobbyists aiming to achieve the highest levels of measurement accuracy.