THS1215IPWR

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Analog to digital converters (ADC) are components in a system used for data acquisition. They allow for an analog signal such as a voltage or current to be converted into a digital form. This digital form can then be used to measure, analyze and control various systems. In this article, we will discuss the application field and working principle of the THS1215IPWR, a high-performance, low-voltage, wide input range, 12-bit ADC.The THS1215IPWR is a monolithic analog-todigital converter (ADC) offering a wide range of performance, high resolution and cost effectiveness. It is designed to operate within a wide range of supply voltages, up to 12V, and deliver a precision performance with a signal-to-noise ratio (SNR) of 84 dB at its full-scale input range. It is well-suited for signal conversion of various parameters in industrial and automotive systems such as industrial pressure and temperature sensors, safety systems, and environmental monitoring systems. The THS1215IPWR is available in a variety of packages, providing improved PCB real estate utilization and elimination of extra power isolation components for improved efficiency and size savings.

The THS1215IPWR has a versatile architecture with a wide input range spanning from –6V to +6V, with a single-ended configuration that supports both unipolar and bipolar input signals. It contains internal voltage reference blocks and on-chip sample-and-hold circuitry for interface and conversion of analog signals. It also contains an on-board correction factor register to support temperature compensation and gain or offset adjustment. In addition, the device has a unique asynchronous conversion mode, valid for step changes of the input when multiple adjacent channels are converted. This feature helps to reduce the measurement time significantly.

The THS1215IPWR employs a pipelined architecture, which allows for multiple conversions to be simultaneously active. The pipeline uses 12-bit cycles to convert the input signal and retrieve the result in successive elements of a result register. Each element of the result register is accessible after each conversion is completed. This feature simplifies programming and allows for the implementation of dynamic techniques for data capturing and data processing, further increasing the accuracy and speed of the conversion process.

The device also supports a wide range of output formats, including eight-bit dynamic range, eight/eight and two/ten modes. Additionally, it features a diagnostic input for correct operation of the device in the presence of a wide selection of hazardous inputs, such as a sudden power down, overvoltage, or noise. This input can be used to stop a conversion or reset the result register. In addition, the device offers a wide range of power management functions with an impressive power efficiency and great standby power dissipation.

In conclusion, the THS1215IPWR is a high performance, low voltage, wide input range, 12-bit ADC ideal for data acquisition applications in a variety of domains. Its internal blocks and features, such as its wide input range, asynchronous conversion mode, power management functions, and diagnostic input, enable it to be used for accurate and fast acquisitions of various parameters in industrial and automotive systems.

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