ADR3525WBRMZ-R7

Noise - 0.1Hz to 10Hz:	18µVp-p
Base Part Number:	ADR3525
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	100µA
Voltage - Input:	2.7 V ~ 5.5 V
Noise - 10Hz to 10kHz:	42µVrms
Series:	Automotive
Temperature Coefficient:	5ppm/°C
Tolerance:	±0.1%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADR3525WBRMZ-R7 – A Voltage Reference PMIC

IntroductionThe ADR3525WBRMZ-R7 is a voltage reference PMIC (power management ICs) manufactured by ADI (Analog Devices, Inc.). Its most salient feature is providing precise, stable and accurate voltage references for various analog and digital computing, communication and industrial applications. These PMICs can be characterized by low noise AC performance, high accuracy and low temperature coefficient. Furthermore, with its high efficiency, it is suitable for deploying in many portable and embedded applications.ApplicationThe low power consumption and wide operating voltage range of the ADR3525WBRMZ-R7 makes it an ideal component for various power-sensitive applications. Right from precision analog and digital circuitry, noise critical systems or AC coupled systems; it can be used for highly efficient power management for mobile phones, tablets and other portable applications.The ADR3525WBRMZ-R7 can be used in:• Industrial systems – including industrial temperature control and process control systems, power plants and robotics• Automotive applications – Including automatic transmissions and engine management systems• Sensor and monitoring systems• Avionics systems• Computer and communication equipmentWorking PrincipleThe ADR3525WBRMZ-R7 is a voltage reference PMIC based on the band gap principle. The standard band gap reference circuit is a circuit that uses two transistors, each conducting at two different temperatures. The temperature difference between the two transistors causes a voltage difference (reference voltage) between them. The reference voltage is then amplified and buffered before being output as a regulated DC output.This reference voltage is then compared to a voltage from the circuit\'s power supply, created by an external resistor. Any deviation from this predetermined reference is then directly adjusted by the PMIC\'s control loops. Over time, the control loops ensure that the voltage reference remains stable and accurate, regardless of temperature fluctuations.BenefitsThe ADR3525WBRMZ-R7 can provide many distinct benefits that make it the ideal voltage reference PMIC for many applications. These benefits include:• Accurate Output Voltage: The bandgap reference principle ensures that the output voltage remains very stable and accurate, even under extreme temperature ranges.• Low Power Consumption: Thanks to its low power consumption, it is suitable for a wide range of mobile and portable applications.• High Efficiency: The high efficiency of the ADR3525WBRMZ-R7 ensures peak performance in the most demanding applications.ConclusionThe ADR3525WBRMZ-R7\'s unique features make it a superior voltage reference PMIC for many portable and embedded applications. Its low power consumption and wide operating voltage range, combined with its high efficiency and high accuracy, make it the perfect component for power-critical applications.

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