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ADR430BRZ
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Product Detailed Parameters
- Description：IC VREF SERIES 0.05% 8SOIC
- Series：XFET®
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.048V
- Voltage - Output (Max)：-
- Current - Output：30 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The ADR430BRZ is a precision series voltage reference from Analog Devices, utilizing XFET technology to deliver a nominal output of 2.048 V with B-grade accuracy. It operates within an input voltage range of 4.1 V to 18 V and maintains a low quiescent current of 800 µA. The device features a maximum temperature coefficient of 3 ppm/°C and initial accuracy of ±1 mV (±0.05%). It supports sourcing up to 30 mA and sinking up to -20 mA, ensuring stability across the extended industrial temperature range of -40°C to +125°C.
Feature Summary
- XFET architecture minimizes thermal drift curvature for high stability
- Capable of sourcing 30 mA and sinking 20 mA without external components
- Includes a trim terminal for precise output voltage adjustment
Applications
- Precision data acquisition systems
- High resolution data converters
- Medical instruments
- Industrial process control systems
Procurement Notes
Verify the specific package variant against design requirements, as the component is available in both SOIC-8 and MSOP-8 configurations. Confirm that the ordering suffix corresponds to the desired tube or reel packaging format. Ensure compatibility with the target PCB footprint before finalizing procurement orders.
Selection Notes
Select this model when a stable 2.048 V reference is required with minimal temperature drift. The B-grade specification ensures tighter tolerance compared to the A-grade version. Consider the supply headroom requirements relative to the fixed output voltage during circuit design.
Part Context
This component belongs to the ADR43x family of ultralow noise XFET voltage references. The family includes variants with different fixed output voltages such as 2.5 V, 3 V, 4.096 V, and 5 V. All members share similar performance characteristics regarding noise and current capability.
Replacement Considerations
ADR430ARZ
FAQ
What is the function of the COMP pin?
The COMP pin serves as the compensation input. Connecting a series resistor and capacitor network from this pin to the output reduces overall noise.
How does the TRIM pin affect performance?
The TRIM pin allows adjustment of the output voltage over a ±5% range without compromising the device's performance specifications.
