AS431AZTR-E1

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The AS431AZTR-E1 is a type of low power voltage reference by STMicroelectronics in the PMIC - Voltage Reference family. Its special characteristics are its low power consumption, low voltage operation and its fast turn on time. It is a three terminal voltage reference that provides a very high reference voltage accuracy of 0.05%. With a temperature coefficient between 0.05%/K and 0.1%/K, a low input offset voltage of 15 μV max, and a high common mode rejection ratio of 11kHz, these features make it a very reliable reference IC. The AS431AZTR-E1 operates in an adjustable voltage range of 1 to 30 V and features a maximum power dissipation of 500μW. It also offers a typical temperature range of -40°C to +85°C and a maximum leakage current of 1 μA at 5V. The AS431AZTR-E1 can be used in many different applications such as power supplies, motor control boards, portable devices, communication systems and other consumer and automotive electronics. This voltage reference can be used to accurately measure and control input power, ensure the safety of sensitive components, and protect against fluctuations in current, voltage and temperature. The working principle of the AS431AZTR-E1 is based on a temperature-dependent internal voltage reference and a series of two NPN transistors. The combination of the two transistors creates a control loop for the voltage reference. The internal reference is adjusted with a low temperature coefficient to maintain the accuracy of the voltage reference output. The AS431AZTR-E1 is designed to provide excellent performance with a fast turn-on time, low power consumption and high voltage accuracy. The device is also very simple to use and is built with reliable and sophisticated technology, making this voltage reference suitable for a wide range of applications. Overall, the AS431AZTR-E1 is an ideal voltage reference suitable for applications such as automotive and consumer electronics, power supplies, portable devices and communication systems. It has a temperature coefficient of 0.05-0.1%, low input offset voltage and high common mode rejection ratio. The device also offers fast turn-on time and low power consumption, making it a good choice for many applications.

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