ADR441BRZ-REEL7 PMIC - Voltage Reference by Analog Devices Inc./Maxim Integrated

The ADR441BRZ-REEL7 is a precision voltage reference from Analog Devices Inc., specifically designed to provide a stable and accurate reference voltage for various applications. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Precision Voltage Reference
• Manufacturer: Analog Devices Inc. (formerly Maxim Integrated)
• Package: The device comes in a compact 3-lead SOT-23 package, which is suitable for space-constrained applications.

Key Features:

• Output Voltage: The ADR441 provides a fixed output voltage of 1.25V, which is ideal for a variety of analog applications.
• Low Drift: It boasts a low temperature coefficient, typically around 5 ppm/°C, ensuring that the output voltage remains stable across a wide temperature range.
• Low Noise: The device features low output noise, making it suitable for precision measurement applications where noise can significantly affect performance.
• High Accuracy: The initial accuracy of the output voltage is typically ±0.5%, which is critical for applications requiring precise voltage references.
• Wide Operating Range: The ADR441 operates over a wide input voltage range, allowing it to be used in various power supply configurations.
• Low Power Consumption: The device is designed to consume minimal power, making it suitable for battery-operated devices and energy-efficient applications.

Electrical Characteristics:

• Supply Voltage: The ADR441 can operate with a supply voltage ranging from 2.5V to 15V.
• Output Current: It can source or sink output currents up to 10 mA, providing flexibility in driving loads.
• Temperature Range: The operating temperature range is typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Applications:

• Data Acquisition Systems: Used as a reference voltage for ADCs and DACs to ensure accurate conversions.
• Instrumentation: Ideal for precision measurement devices where stable reference voltages are critical.
• Power Management: Can be used in power supply circuits to provide a stable reference for regulation.
• Sensor Applications: Useful in applications where sensors require a stable reference voltage for accurate readings.

Additional Information:

• Pin Configuration: The SOT-23 package has three pins, typically including the output, ground, and input voltage.
• RoHS Compliant: The ADR441BRZ-REEL7 is compliant with RoHS standards, ensuring it is free from hazardous substances.

In summary, the ADR441BRZ-REEL7 from Analog Devices Inc. is a highly accurate, low-drift voltage reference that is well-suited for a variety of precision applications, offering reliability and performance in a compact package.