AD7247KR

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Data Acquisition - Digital to Analog Converters (DAC) are components of an electronic system which allow conversion of a digital signal into an analog signal. One such component is the AD7247KR, which is a 12-bit high-performance DAC integrated circuit. It is specifically designed for applications requiring low power and low noise. In this article, we will discuss the application field and working principle of the AD7247KR.

Application Field

The AD7247KR is used in a wide variety of applications including precision monitoring, control, and measurement systems. Some examples include two-wire transmitters, pressure and temperature controllers, electronic weighing systems, analog-to-digital converters, vibration measuring systems, and thermal process controllers. In each of these applications, the AD7247KR provides accurate analog output signals from digital input data, thereby improving performance and cost-savings.

Working Principle

The AD7247KR utilizes a delta-sigma architecture for conversion. It converts digital inputs into a single-ended voltage output. The ADC has a 12-bit resolution and green power shut down mode. It also features a typical dynamic range of 97dB and differential accuracy of 3LSB. The AD7247KR utilizes a switchable gain option to optimize performance for specific application requirements.

The AD7247KR includes a low-noise track/hold amplifier which makes it suitable for low SNR signals. Its selectable gain settings provide a range of resolution and linearity characteristics depending on the needs of the application. Additionally, the device is available in a small footprint 6 by 9 mm plastic TQFP package, making it an ideal choice for space-sensitive or low-profile designs.

The AD7247KR also includes several other features such as low power consumption, low noise, excellent temperature stability and shock and vibration immunity. Additionally, its dual-supply pin architecture allows for variety of power supply configurations, making it suitable for use in many different applications.

In conclusion, the AD7247KR is a versatile and high-performance DAC ideal for use in various applications requiring low power and low noise. It provides accurate analog output signals from digital input data, utilizing a delta-sigma architecture for conversion. Its features such as low noise, excellent temperature stability and shock and vibration immunity, make it a great choice for many different applications.

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