ZXRE1004FR

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ZXRE1004FR is a series of voltage references that belong to the class of PMIC (Power Management Integrated Circuits). It has a wide range of practical application fields and a relatively simple working principle. This article aims to explain the primary applications and the base functioning principle of this reference. The ZXRE1004FR series was designed primarily for the purpose of providing a high accuracy and low noise voltage reference. This series is widely used in industrial, automotive and consumer electronics as a stable and reliable voltage reference for precision measurements and corrections.The ZXRE1004FR includes many features further enhancing its performance. It has an input voltage range of 3V to 18V, with an output voltage range of 0.60 to 1.02V and an output short-circuit current of up to 10 mA. In addition, the output voltage is static and drift-free, with the highest precision accuracy of 0.2%. The ZXRE1004FR also features good long-term stability with a guaranteed temperature coefficient of just 2ppm/°C. In terms of its working principle, the ZXRE1004FR reference is based on the bandgap reference circuit. This is a very common circuit in many voltage references, as it has the potential to provide a static and relatively accurate voltage reference. The bandgap reference circuit is a combination of a n-p-n transistor, a diode and a resistor, working together to provide a voltage reference based on the bandgap of silicon. The working principle of the circuit starts by creating a voltage mirror that is multiplied by a diode’s nonlinear characteristics to form an equivalent voltage. This equivalent voltage is then mixed with the output of the n-p-n transistor, yielding a constant voltage reference. This voltage reference is then used to provide a stable and reliable voltage reference for various applications. In conclusion, the ZXRE1004FR voltage reference series is an important component in the PMIC community. It has a wide range of practical applications, including in industrial, automotive and consumer electronics. This series features a high accuracy and low noise reference, with an input voltage range of 3V to 18V and a 0.2% precision accuracy. The reference also has a good long-term stability with a guaranteed temperature coefficient of 2ppm/°C. All these features, combined with the working principle of the bandgap reference circuit, make the ZXRE1004FR a highly reliable and efficient voltage reference series.

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