ADR439BR

$6.07

Description：IC VREF SERIES 4.5V 8-SOIC
Series：XFET®
Mfr：Analog Devices Inc.
Package：Tube

SKU:4c63e6b988e4 Category: Voltage Reference Brand: Analog Devices Inc.

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Product introduction

ADR439BR is listed in the Voltage Reference range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC VREF SERIES 4.5V 8-SOIC. Review the specifications below when checking this part for your BOM.

Voltage Reference specifications for ADR439BR

Description：IC VREF SERIES 4.5V 8-SOIC
Series：XFET®
Mfr：Analog Devices Inc.
Package：Tube
Output Type：-
Voltage - Output (Min/Fixed)：-
Voltage - Output (Max)：-
Current - Output：-
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

Voltage Reference datasheet and documents for ADR439BR

ADR439BR

Voltage Reference Overview

The ADR439BR is a precision voltage reference from the Analog Devices XFET series, providing a fixed output of 4.5 V with B-grade initial accuracy of ±2 mV (±0.04%). It operates within an input voltage range of 6.5 V to 18 V and features a maximum temperature coefficient of 3 ppm/°C over the -40°C to +125°C industrial temperature range. The device draws a typical quiescent current of 800 µA and supports high output source and sink currents of +30 mA and -20 mA respectively.

Voltage Reference Feature Summary

Utilizes patented XFET technology for low noise and minimized thermal drift curvature
Provides high drive capability with both sourcing and sinking output current
Includes a dedicated trim terminal for precise output voltage adjustment

Voltage Reference Applications

Precision data acquisition systems
High resolution data converters
Medical instruments
Industrial process control systems

Voltage Reference Procurement Notes

Verify the specific package type required for your design, as the ADR439BR is available in both 8-lead MSOP and narrow SOIC configurations. Confirm that the B-grade accuracy specifications meet your system requirements before finalizing procurement. Ensure the input voltage supply remains within the specified operating range to maintain performance.

Voltage Reference Selection Notes

Select the ADR439BR when a stable 4.5 V reference is needed with low power consumption and high current drive capabilities. Consider the XFET architecture for applications requiring superior noise performance compared to standard bandgap references. Evaluate the thermal resistance characteristics if operating at higher load currents or elevated ambient temperatures.

Voltage Reference Part Context

This component belongs to the ADR43x family of ultralow noise XFET voltage references. The series includes various output voltages such as 2.048 V, 2.5 V, 3 V, 4.096 V, 5 V, and 4.5 V. All members share common features like low quiescent current, wide operating temperature ranges, and high accuracy grades.