AD7091R-2BCPZ-RL7

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The AD7091R-2BCPZ-RL7 is an integrated circuit (IC) analog-to-digital converter (ADC) that converts an analog signal into a digital code PORTE. It is an important component in data acquisition component integrated into a variety of systems. ADCs offer the possibility to process the signals in the digital domain, enabling a high degree of accuracy, robustness, flexibility, and low power consumption. The AD7091R-2BCPZ-RL7 is a low power and high accuracy 8-bit parallel output ADC with a sampling rate of 1 MHz.

The single-ended analog input ranges from 0V to 6V for single ended and 0V to 7V for pseudo differential. It supports both standard and pseudo-differential inputs and allows for a wide range of input capacitive loads. The AD7091R-2BCPZ-RL7 provides a low power dissipation over the operating temperature range and high accuracy through an internal reference. The ADC has a wide input voltage range of 6V for single-ended and 7V for pseudo-differential at 3V operation. The on-chip reference provides a typical reference voltage of 2.5V.

The AD7091R-2BCPZ-RL7 has two main operating modes, namely Turbo mode and Multi-Bit mode. In Turbo mode, the ADC will provide 8-bit data at a 1MHz sampling rate but can also run at a lower sampling rate down to 30 kHz. In Multi-Bit mode, the ADC will sample multiple bits at a slower rate but with higher accuracy. This enables higher resolution results over a range of input frequencies.

The working principle of the AD7091R-2BCPZ-RL7 is based on the electrical phenomenon of capacitive discharge. The analog input is capacitively discharged by passing an alternating current through the input and sensing the voltage drop across it. The voltage levels are then compared with reference voltages to determine its digital value. The reference voltages are programmable and the comparators are arranged in a series to determine which reference voltage is the closest to the input voltage. The digital value is decoded in the form of binary output.

The AD7091R-2BCPZ-RL7 is particularly suitable for use in a wide variety of applications that require high accuracy and low power consumption, such as aerospace, medical, industrial and automotive. Its applications include power metering, industrial process control, and medical diagnostic equipment. The high accuracy and resolution of the ADC allow for accurate measurements of a wide range of signals including analog temperature, voltage, and current.

The AD7091R-2BCPZ-RL7 is an excellent choice for precision data acquisition as well as for converting analog signals to digital codes for use with microprocessors and DSPs. It is highly accurate, low power, and capable of handling a wide variety of input signals. It is also a capable solution for applications that require large dynamic range or ultra-low power consumption.

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