AD586SQ

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Advanced Power Electronics Corporation\'s AD586SQ is a voltage reference with superior power supply rejection ratio (PSRR) performance and low temperature drift voltage. Specifically, the AD586SQ is a Kelvin-connected, low-noise, low-power, three-terminal voltage reference. It features a breakdown voltage of 5.0V and a temperature range of -40 to 125 Degrees Celsius.

The AD586SQ is specially designed for demanding applications and is capable of providing excellent voltage reference accuracy in noisy environments and in the presence of multiple power supply rails. It also provides good performance in harsh operating environments and is able to withstand stresses due to shock and vibration. Furthermore, this device is also capable of meeting the requirements of demanding refrigerator, air conditioner and industrial automation applications.

The AD586SQ provides a good solution for applications such as instrumentation, DC-DC converters, audio systems and consumer electronics. In addition, this reference can also be used in industrial control, instrumentation, medical and consumer battery−operated systems. It is suitable for regulated and adjustable power supplies, and battery−operated, line−powered and mobile applications.

The working principle of the AD586SQ is based on the Kelvin-Connection of two bipolar junction transistors (BJT) inside the device. The base of the first transistor is connected to the voltage output pin (VOUT) of the device, and the base of the second transistor is connected to the voltage reference pin (VREFS). A single bipolar transistor is also included in the design and its emitter is connected to the output of the device and its base is connected to the reference input pin (VREF). The transistors in the Kelvin-Connection design work together to generate the stable output voltage.

The output voltage of the AD586SQ is set from the difference between the voltage on the reference input pin and the voltage on the output pin. The voltage on the output pin is held at a constant 5V and the voltage on the reference input pin is adjusted to set the output voltage of the device. The output voltage is internally band-limited, which ensures that the output voltage does not exceed 5V. The band-limiting also reduces the effects of electromagnetic interference and input voltage transients.

The AD586SQ is designed to provide a high PSRR and low temperature drift. The PSRR is the ratio of the change in the output voltage of a device to the change in the input voltage. The high PSRR of the device ensures that it can reliably provide a stable output voltage even in the presence of multiple power supply rails. The low temperature drift ensures that the device can maintain reliable performance even in harsh operating environments.

The AD586SQ can be used in many applications and provides excellent voltage reference accuracy in noisy as well as multiple power supply rails. This device is also well-suited to applications such as instrumentation, DC-DC converters, audio systems, consumer electronics, and battery-operated systems. Its high PSRR and low temperature drift make this device ideal for use in demanding applications where reliable performance and high accuracy are key requirements.

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