Temperature Coefficient:	20ppm/°C Typical
Supplier Device Package:	SOT-23
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	1mA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	--
Series:	--
Tolerance:	±0.4%
Current - Output:	100mA
Voltage - Output (Max):	18V
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AZ431AN-BTRE1: Voltage Reference PMIC Application field and Working Principle

A voltage reference is a device designed to provide a very precise and stable reference voltage, usually from a power source such as a battery. Most commonly, these references are used in the measurement process of analog electronics; they provide a foundation against which other voltage levels can be compared and gauged against. Voltage references are used in many varied applications, from high-end industrial equipment to everyday consumer electronics. AZ431AN-BTRE1 is one such voltage reference device, manufactured by Analog Devices Inc. This specific voltage reference is an adjustable voltage device offering an ultra-high precision, low noise, low drift, and low temperature coefficient. In its applications, it provides a low-temperature stable source of output voltage which can be used in various applications to supply an accurate and reliable voltage reference. Specifically, the AZ431AN-BTRE1 offers a full range of power supply rejection (PSR) of +10%, a low output noise of 1 microvolt RMS, a fast start-up time of 20 microseconds and low operating current of 4mA. Overall, this PMIC device serves as an ideal voltage reference for a variety of applications.

Application Field of AZ431AN-BTRE1

The AZ431AN-BTRE1 voltage reference PMIC is suitable for use in a range of precision-sensitive applications, such as in industrial and medical electronics, portable devices, and scientific instruments. For example, the voltage reference can be used in medical equipment to monitor vital signs, such as heart rate and blood sugar level measurements. It can also be used for high-end computing and other power-sensitive applications requiring extremely precise voltage reference.In addition, the AZ431AN-BTRE1 is also suitable for use in automotive, consumer and communications applications due to its low noise, low temperature coefficient, and low drift. The voltage reference is also ideal for a variety of energy-saving household appliances, such as LED lighting. It is also suitable for use in military and aerospace applications, where the precise and reliable voltage reference of the device is extremely important.

Working Principle of AZ431AN-BTRE1

The AZ431AN-BTRE1 voltage reference PMIC uses a two-terminal bandgap voltage reference circuit to generate a stable and accurate reference voltage. This bandgap voltage reference circuit acts as both a precision voltage reference and as a temperature-compensating device, which helps to prevent measurement errors due to temperature changes. When using the device, the user will input an external voltage or adjusted voltage to the device, which is then regulated and buffered for precise output. The output voltage is then processed through a high-accuracy operational amplifier circuit to achieve a precise and stable reference voltage. The device\'s temperature coefficient is also adjusted such that it will remain relatively constant over a wide temperature range. In addition, the AZ431AN-BTRE1 also incorporates thermal-overload protection and overvoltage protection, which ensures that the device remains reliable and stable throughout its operation.

Conclusion

The AZ431AN-BTRE1 voltage reference PMIC is an ideal solution for a range of precision-sensitive applications requiring an extremely precise and reliable voltage reference. Its low temperature coefficient and low-noise performances make it suitable for use in a wide variety of applications, including industrial systems, medical equipment, automotive, consumer, and communications applications. The device\'s two-terminal bandgap voltage reference circuit and integrated temperature compensation features ensure its operation remains stable and reliable.

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