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ADR4520ARZ
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Product Detailed Parameters
- Description：IC VREF SERIES 0.04% 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.048V
- Voltage - Output (Max)：-
- Current - Output：10 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 ADR4520ARZ is a high precision, low power, low noise voltage reference featuring an output voltage of 2.048 V and an initial accuracy of ±0.04%. It operates over an extended temperature range from −40°C to +125°C with a maximum temperature coefficient of 4 ppm/°C. The device draws a maximum quiescent current of 950 μA and supports an input voltage range of 3 V to 15 V. It provides an output current capacity of +10 mA source and −10 mA sink within an 8-lead SOIC package.
Feature Summary
- Features an innovative core topology for industry-leading temperature stability and low noise performance.
- Provides excellent long-term stability with low thermally induced output voltage hysteresis.
- Supports both sourcing and sinking load currents up to 10 mA.
Applications
- Precision data acquisition systems
- High resolution data converters
- Industrial instrumentation
Procurement Notes
Verify the specific grade suffix (e.g., ARZ) against the manufacturer's ordering guide to confirm the exact temperature coefficient and initial accuracy specifications. Ensure the selected package variant matches the required PCB footprint and thermal management strategy for the target application environment.
Selection Notes
Select this component when a fixed 2.048 V reference is required alongside strict limits on low-frequency noise and long-term drift. Consider the A grade specifications if operation within the full industrial temperature range is necessary, noting that tighter temperature coefficients are available in other grades or output voltages.
Part Context
This part belongs to the ADR45xx series of ultralow noise, high accuracy voltage references manufactured by Analog Devices Inc. The family includes various fixed output voltages such as 2.5 V, 3.0 V, 3.3 V, 4.096 V, and 5.0 V, all sharing similar architectural benefits regarding power consumption and noise performance.
Replacement Considerations
ADR4520BRZ
FAQ
What is the maximum operating temperature for the ADR4520ARZ?
The ADR4520ARZ is specified for an operating temperature range of −40°C to +125°C.
Does the ADR4520ARZ support negative load currents?
Yes, the device can sink up to 10 mA of current while maintaining regulation.
