AD670JN

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Analog to Digital Converters (ADC) are an essential part of Data Acquisition systems. They allow the conversion of analog data into digital data, allowing further processing in a digital computer. The AD670JN is a well-regarded ADC that is used in various applications. This article looks at the application field and working principle of the AD670JN.

Application Field Of AD670JN:

The AD670JN is a 16-bit, single-chip, A/D converter. It is suitable for a wide range of applications in signal conditioning and measurement. These include process control, medical imaging, instrumentation and monitoring, and computerized test systems. It offers superior accuracy and performance over other A/D converters in its price range.

The converter is especially suited for applications requiring high dynamic accuracy, and linearity. It features an intelligent integrated design which reduces the amount of external components needed, as well as printed circuit board space. The AD670JN also has excellent noise rejection on noisy lines, making it highly suitable for industrial applications where noise can be a problem.

Working Principle Of AD670JN:

The AD670JN operates off a +3.3V DC power supply. The voltage range of the input signal varies from 0-2.5V. The analog signal is amplified and then digitized by the 16-bit converter. A precision amplifier is used to allow accurate conversion at low input levels. Once the signal is digitized, the data is processed and stored in internal registers in the converter.

The converter also features an auto-zero system which allows for accurate measurements, even when large DC offsets are present. This system helps to remove the errors caused by drifts in the external components supplying the power supply. The converter also features an automatic calibration mode which helps to ensure consistent, high-precision measurements.

The AD670JN also has integrated anti-aliasing and noise-cancelling circuits. These circuits reduce the effects of electrical noise, switching transients, and other spurious signals from the input signals. The result is a cleaner and more accurate digital output.

Conclusion

The AD670JN is a high-performance, 16-bit, single-chip, A/D converter. It is well suited for applications which require both high-precision measurements, and excellent noise rejection on noisy lines. Its intelligent design also reduces the external component count, and board space required for installation. Its features make it an excellent choice in many applications, including process control, medical imaging, instrumentation and monitoring, and computerized test systems.

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