AD7476BRTZ-REEL7

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Data Acquisition - Analog to Digital Converters (ADC) are a type of hardware device used to convert continuous signals from the physical world into discrete data that can be used and interpreted by computers or other digital systems. The AD7476BRTZ-REEL7 is a 10-bit ADC from Analog Devices. It is used for a variety of applications from medical imaging to environmental sensing. This article will describe the application fields and working principle of the AD7476BRTZ-REEL7.

The AD7476BRTZ-REEL7 is a low-power, high-speed, 10-bit ADC with a power dissipation of 4.4 mW. It is designed for portable, low-power applications, including medical and environmental sensing, handheld and portable industrial instrumentation, automotive, and imaging applications. The ultra-low-power and wide range of features make the AD7476BRTZ-REEL7 an ideal solution for applications requiring precision performance with low power consumption.

The AD7476BRTZ-REEL7 includes an on-chip sample-and-hold with a gain of 1V/V and a typical settling time of 8 µs. It has a wide input common-mode voltage range of −0.1V to VDD, with a maximum operating voltage range of VDD = 2.2–3.6V. The device has a programmable reference input range between VREFH = VREF+–0.1V, and a programmable high bandwidth of 0.27 MHz, making it suitable for high-speed applications.

The AD7476BRTZ-REEL7 also offers a wide range of interfacing options including a variety of output formats such as low-voltage differential signals (LVDS) and current-mode logic (CML), allowing it to be easily integrated into systems. The device is available in a TSSOP package, making it an ideal choice for applications where thermal control is required.

The working principle behind the AD7476BRTZ-REEL7 is based on sigma-delta modulator (Σ-ΔM) architecture. Sigma-delta modulators are used to convert analog input signals into digital output signals. Sigma-delta modulators use a noise-shaping technique in order to reduce the noise and distortion that is generated during the conversion process. This is done by oversampling the input signal, which pushes the noise outside of the signal bandwidth. The modulator then converts the digital output at a steady rate, while noise-shaping is accomplished with the use of a digital filter.

The AD7476BRTZ-REEL7 is a highly accurate, efficient, and reliable ADC that can be used in a variety of applications. It is designed for low-power, high-speed applications, and is an ideal solution for medical and environmental sensing, handheld and portable industrial instrumentation, automotive, and imaging applications. The device features a wide input common-mode voltage range, a programmable reference input range, and a programmable high bandwidth, making it suitable for high-speed applications. It is available in a TSSOP package, making it an ideal choice for applications where thermal control is required. The AD7476BRTZ-REEL7 works using a sigma-delta modulator architecture, which uses a noise-shaping technique to reduce the noise and distortion generated during the conversion process.

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