ADS1112IDRCT

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ADS1112IDRCT Application Field and Working Principle
Data Acquisition - Analog to Digital Converters (ADC)

The ADS1112IDRCT is a highly integrated, low power, 24-bit, delta-sigma analog-to-digital converter (ADC) device. As part of the ADS1100 family, the ADS1112IDRCT is optimized to provide a high degree of integration and flexibility to meet a variety of unique switching, multiplexing and signal conditioning applications. It supports single-ended inputs from up to four input channels and is designed to be used in low voltage and mixed signal environments.

The ADS1112IDRCT has many features that make it suitable for a variety of applications. It includes a 0.62V to 3.58V full-scale range, a high resolution 24-bit δΣ ADC, an integrated low-power 5V, 12V supply and higher sample rates through an extended power-on feature. It also has onboard multiplexers and filters to help minimize signal conditioning. In addition, it includes several configuration pins to support external sampling and signal conditioning.

The ADS1112IDRCT is an ideal choice for noisy industrial and process control applications where accuracy and repeatability of signal measurement is critical. It can be used in medical applications, such as patient monitoring, to measure more subtle signals. It is also a good choice for research applications, where multiple signals need to be measured at higher resolutions and accuracy than is available from non-integrated solutions.

The working principle of the ADS1112IDRCT is based on a ΔΣ architecture, which is an analog-to-digital conversion technique that combines high resolution and low noise. At the core of the converter is a continuous-time delta-sigma modulator that feeds an error-correlation feedback loop. This produces an output signal whose amplitude is proportional to the input signal amplitude. The output signal is digitized using a high-resolution differential δΣ ADC.

The ADC architecture combines a high-speed clock with a low-speed sampling clock to achieve the desired sample rate and resolution. The clock frequency can be adjusted to optimize performance. The output of the ADC is a digital bit stream, which is then filtered and decimated to reduce noise, provide anti-aliasing, and generate a digital output.

The ADS1112IDRCT is also equipped with several onboard features, including ultra-low noise, low power operation, integrated multiplexers, output filters and error correction capability that are designed to enhance performance and protect against errors. Additionally, the device features a wide selection of filters and a wide range of gain settings to optimize the performance for various applications.

In addition, the ADS1112IDRCT features a wide range of features, including programmable gain settings, voltage monitoring, temperature-based calibration, high-speed sample rate, and internal reference and low noise architecture for superior SNR performance. Most importantly, the ADS1112IDRCT is designed to meet most system and application requirements, providing the highest level of performance and flexibility.

In conclusion, the ADS1112IDRCT is an ideal solution for applications that require high reliability and accuracy. Its unique features make it suitable for a variety of switching, multiplexing and signal conditioning applications, while its low power and high resolution architecture make it an ideal choice for reliable and low noise operation. Its wide range of gain settings, filters and error correction capabilities ensures an optimal performance in every application.

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