ADS1278EVM

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Analog to Digital (AD) conversion is a process whereby analog signals, such as sound or light, can be converted into digital signals suitable for digital logic and computation. This process is widely used in modern electronics and computer applications. The TI ADS1278EVM evaluation board combines analog to digital conversion with precision design to offer an accurate and reliable solution for various application scenarios. In this article, we will discuss the application field and working principle of the ADS1278EVM evaluation board.

Introduction to ADS1278EVM

The Texas Instruments ADS1278EVM is a versatile evaluation system that provides a complete set of features for measuring and monitoring a variety of signals. It supports both single-ended and fully differential input ranges from ±250 mV to ±10V, with a maximum resolution of 24-bits. The ADC sampling rate can be configured up to a maximum of 32 kS/s. The board also includes a linear regulator, a 7.2 V battery adapter, and overvoltage protection.

ApplicationField of ADS1278EVM

The ADS1278EVM evaluation board can be used in a variety of applications, such as position measurement, industrial process control, motion sensing, and medical imaging. It is suitable for dynamic signal capture and streaming. The board works well in powertrain and medical systems, as it provides protection from overvoltage, ESD, and environmental stress.

The board’s low-noise operation enables accurate measurements in noisy environments, while its integrated linear regulator helps ensure precision input-signal conditions. The also provides fast converse-time for detailed dynamic monitoring in motor and system timing studies.

Working Principle of ADS1278EVM

The ADS1278EVM evaluation board uses differential amplifier pairs placed in an array within the ADC. Each amplifier pair is connected to its own switched capacitor bank. When an input signal is applied to the ADC, the differential amplifier pairs begin amplifying the signal. This amplified input signal is then fed to the switched capacitor bank to provide the analog to digital conversion.

The ADC then uses the differential comparison process to reduce the noise on the input signal. The integrated linear regulator helps stabilize the input voltage to ensure a reliable and accurate analog to digital conversion. Finally, the ADC produces a high-speed stream of binary values.

Conclusion

The Texas Instruments ADS1278EVM evaluation board is a powerful and versatile tool for accurate analog to digital conversion. It offers a wide range of input ranges and the ability to process high-speed signals. The integrated linear regulator and overvoltage protection ensure a stable and reliable working environment. With its advanced features and capabilities, the board is suitable for applications such as position measurement, motion sensing, and medical imaging.

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