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Product Detailed Parameters
- Description：IC VREF SERIES 5V TO-5
- Series：REF02
- Mfr：Analog Devices Inc.
- Package：Bulk
- Output Type：-
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：-
- Operating Temperature：-
- Mounting Type：Through Hole
- Package / Case：TO-205-8, TO-5-8 Metal Can
- Supplier Device Package：TO-5
- Grade：-
- Qualification：-
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Overview
The REF02HH is a precision voltage reference IC from the Analog Devices REF-01/REF-02 series, providing a fixed 5V output. It features an initial accuracy of ±0.3% and a typical temperature coefficient of 5ppm/°C. The device operates within an input voltage range of 7V to 40V and draws a maximum quiescent supply current of 1.4mA. It includes a dedicated temperature output pin delivering a linear voltage proportional to absolute temperature. The component is housed in an 8-lead TO-5 metal can package and is guaranteed for operation over a temperature range of 0°C to 70°C.
Feature Summary
- Provides stable 5V output with high line and load regulation
- Includes a dedicated pin for temperature-proportional voltage output
- Offers low noise performance suitable for precision applications
Applications
- A/D and D/A converters
- Precision regulators
- Constant current sources
- Bridge excitation circuits
Procurement Notes
Verify the specific suffix 'HH' corresponds to the 8-lead TO-5 metal can package and the 0°C to 70°C operating temperature range as defined in the official datasheet. Confirm that the part number matches the lead-free finish marking requirements. Ensure compatibility with existing thermal management designs due to the metal can construction.
Selection Notes
Select this component when a fixed 5V reference with moderate accuracy and low power consumption is required. The inclusion of a temperature output pin makes it suitable for systems needing simultaneous voltage and temperature monitoring. Consider the TO-5 package constraints regarding board space and mounting compared to plastic alternatives.
Part Context
The REF-01/REF-02 series consists of bandgap references designed for applications requiring low drift and low cost. The REF02 variant specifically provides a 5V output and adds a temperature sensing capability not present in the REF01. This family serves as a cost-effective solution for general-purpose precision analog circuits where ultra-low drift is not the primary requirement.
Replacement Considerations
The LT1019 is listed as a related part offering improved specifications with 0.05% accuracy and 5ppm/°C drift. Verify pin compatibility and electrical parameter alignment before substitution.
