AD586JR-REEL7

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Voltage references are critical components in any circuit that involves direct current (DC). PMIC (Power Management Integrated Circuits) is a type of voltage reference that is used to maintain the output voltage at a stable level. The AD586JR-REEL7, developed by Analog Devices Inc., is a popular PMIC designed for a wide range of applications.

The AD586JR-REEL7 is a precision voltage reference with an internal reference voltage of 5.25 V ± 0.2 %. This device utilizes a buried-zener reference mechanism that provides increased accuracy and stability over temperature and time, with maximum temperature regulation of 0.2 %/°C. The AD586JR-REEL7 is available in a space-saving SOT-23-5 and SOP-8 packages. This makes it ideal for applications where space is at a premium.

The AD586JR-REEL7 is primarily used as a reference voltage source in power-management applications. It can be used in battery-powered devices, microcontrollers, and portable equipment. It is also suitable for use in applications that require high precision, such as medical and industrial instruments. Additionally, this device is capable of operating in a wide temperature range of -40°C to 125°C, making it suitable for harsh operating environments.

The working principle of the AD586JR-REEL7 is based on the operational amplifier (OPAMP). This device consists of a pair of differential amplifiers, which are connected in series. The first amplifier is used as the input stage and the second as the output stage. The reference voltage is then applied to the first amplifier, and the output voltage is taken from the second amplifier. The gain of the very first OPAMP is adjusted with the aid of a feedback resistor, which is used to accurately set the reference voltage. The output voltage from this device is then compared to the reference voltage. When the output voltage exceeds the reference voltage, the power supply connected to the main path is switched off, thus preventing the output voltage from exceeding the set reference voltage.

In summary, the AD586JR-REEL7 is a popular PMIC designed for a wide range of applications, such as battery-powered devices, microcontrollers, and portable equipment. It has a precision voltage reference of 5.25 V ± 0.2 % and utilizes a buried-zener reference mechanism that provides increased accuracy and stability over temperature and time. With its SOT-23-5 and SOP-8 packages and its wide operating temperature range, the AD586JR-REEL7 is an ideal voltage reference for a variety of applications. Its working principle is based on the operational amplifier (OPAMP) and uses a feedback resistor to accurately set the reference voltage, which is then compared to the output voltage to prevent it from exceeding the set voltage.

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