ADR5043ARTZ-R2

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ADR5043ARTZ-R2 Voltage Reference

ADR5043ARTZ-R2 is a precision voltage reference IC which is categorized under Power Management Integrated Circuits (PMIC). This voltage reference IC leverages a low dropout voltage reference (LDO) and provides an accurate voltage reference of 2.5V output voltage with a tight initial accuracy of 0.2%. This voltage reference IC is built with robost CMOS TSMC 180nm process technology noted for its low noise and low power consumption features.

Applications

ADR5043ARTZ-R2 voltage reference IC is especially designed for a wide range of RF and analog applications, such as CDMA, GSM, LTE, VCO and antenna tuning systems. It offers low drift, low noise and low power consumption which makes it ideal for system applications. In addition, this IC is notable for its linearity stability, better than ±0.1% accuracy at the rated temperature, thus providing a much more accurate and relaiable voltage reference compared to traditional voltage references.

Working Principle

ADR5043ARTZ-R2 is designed with a low dropout voltage reference twin consisting of an active-high/low voltage reference and a comparator. This low dropout voltage reference is a low output impedance of 1.5V reference device with improved accuracy over temperature and power supply variations. The output voltage of this device is highly accurate and maintained by an internal voltage divider, which is controlled by a bandgap reference to provide the reference voltage. The resistor divider limits output current to the selected value. In addition, the output voltage will remain constant despite variations in temperature.

ADR5043ARTZ-R2 voltage reference IC provides ripple rejection of up to 60dB and a power supply rejection of up to 80dB, allowing this device to maintain a constant output voltage even under varying power conditions. Furthermore, this IC is designed with a polarized power supply which allows it to operate with ground up to negative 35 volts. Additionally, this IC can provide an output current up to 200mA, making it ideal for systems requiring high output current.

Overall, ADR5043ARTZ-R2 is an ideal voltage reference IC for RF and analog applications. It combines low drift, low noise, low power and robust CMOS TSMC 180nm process technology to provide an accurate and reliable precision voltage reference while consuming minimal power.

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