AD1582WBRTZ-R7

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Power Management Integrated Circuit (PMIC) devices are an essential element of any power system, providing power conversion, monitoring and protection in a single, low-cost package. Voltage references are one type of PMIC that provides a stable voltage reference used in power designs where an accurate voltage reference is required. The AD1582WBRTZ-R7 is an ultra-low power voltage reference from Analog Devices that is often used in a wide range of applications, including in high dynamic range imaging, area-scanners, 3D scanning systems and low noise power regulation. In this article, we’ll discuss the application field and working principle of the AD1582WBRTZ-R7.

Application Field of AD1582WBRTZ-R7

The AD1582WBRTZ-R7 is an ultra-low power voltage reference device with a nominal output voltage of 1.25 V and a power supply range of 1.05 V to 8 V. It has a very low current draw of only 90 nA at 1.25 V and it offers excellent temperature stability, making it ideal for use in battery powered applications as well as other power sensitive systems. The device has a temperature coefficient and temperature stability of 1 ppm/°C and 0.1 ppm/°C, respectively.

The AD1582WBRTZ-R7 is designed for use in many different applications, including high dynamic range imaging systems, area-scanning devices, 3D scanning systems and general low noise power regulation. It is also suitable for use in all types of industrial, automotive and medical applications, providing a stable voltage reference even in the presence of noise. Additionally, the device is designed to provide true single-supply operation and low current draw, enabling it to be used in a variety of power applications.

Working Principle of AD1582WBRTZ-R7

The AD1582WBRTZ-R7 is based on a bandgap voltage reference architecture, with an internal voltage divider, temperature compensating bias networks, and trimming/regulation circuitry, to provide a stable output voltage. It uses a PMOS, which is connected to the output node and is used to regulate the output voltage by providing a current path from the output node back to the bandgap reference point. When the output node has a voltage greater than the bandgap reference, the PMOS will achieve a fully on state and the current will flow back to the bandgap reference. When the voltage at the output node is lower, then the PMOS will turn off, stopping the current path back to the bandgap reference. This allows the output voltage to remain constant and stable, even in noisy or power sensitive applications.

The AD1582WBRTZ-R7 is a reliable, low-power voltage reference device that provides an accurate reference in noisy environments. Its excellent temperature stability and low current draw make it ideal for use in a variety of applications, from high dynamic range imaging systems to power sensitive low noise power regulation. With its wide operating range, it can easily be incorporated into a variety of applications, making it a great choice for powering a wide range of power systems.

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