AD7933BRU-REEL

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The AD7933BRU-REEL is an analog-to-digital converter (ADC) for data-acquisition applications. The device allows for simple and cost-effective conversion of analog signals to digital format. It converts an input voltage range of 0 to 6V into a digital output representing a 9-bit resolution value. The device features an auto-zero, low offset and low drift internal reference and an on-chip precision amplifier allowing for a single-ended or differential input.

The device features a single-ended or differential input and a 9-bit resolution AD7933BRU-REEL with an internal clock speed of 50 MHz. The device supports both I2C and SPI serial interface communication protocols. The device has an auto-zero, low offset and low drift internal reference with a selectable full-scale input range of 10V, 20V or 40V. The ADC has two output channels each providing a 12-bit digital output.

The AD7933BRU-REEL is ideal for applications such as energy meters, weigh scales, automation, process control and data acquisition systems. It is able to perform high speed conversions and detects an unlimited number of signals. With an operating voltage range of 1.8V to 5V and a low operating current, the device is ideal for battery-operated data acquisition applications. It is capable of sampling up to 500kHz with a maximum conversion rate of 50kHz.

The working principle of the AD7933BRU-REEL is that the input signal is amplified and filtered by the internal amplifier and then applied to a successive approximation register which is controlled by a clock. The successive approximation register then compares the input signal with a reference voltage. The reference voltage has been set to a value that is between the lower and upper limits of the ADC’s input range. When the input signal is greater than the reference voltage, a value of ‘1’ is stored in the register. When the input signal is less than the reference voltage, a value of ‘0’ is stored in the register. This process is repeated for each consecutive bit until the register has been filled with the value of the input signal. The output of the ADC is a digital word representing the analog input signal.

The AD7933BRU-REEL is a versatile data acquisition device for a wide range of applications. With its low offset and drift, fast conversion times and wide input range, it is an ideal choice for applications that require accurate and reliable performance. It provides an effective way to convert analog signals to digital format, allowing simple data acquisition and more efficient control systems.

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