Overview
The REF02HJ is a precision voltage reference IC produced by Analog Devices Inc. This component is part of the REF02 series, known for providing a stable and accurate output voltage. The REF02HJ is particularly useful in applications requiring a reliable 5V reference voltage with minimal drift over temperature and supply voltage variations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 4.975 to 5.025 | V |
| Output Adjustment Range | ±3.0 to ±6.0% | % |
| Initial Accuracy | ±0.3% (A and E grades), ±0.5% (H grade and nongraded) | % |
| Temperature Coefficient | 3 to 8.5 ppm/°C | ppm/°C |
| Input Voltage Range | 7 V to 36 V | V |
| Supply Current - Max | 1.4 mA | mA |
| Load Driving Capability | Up to 10 mA | mA |
| Operating Temperature Range | -55°C to +125°C | °C |
| Package | 8-Lead CERDIP |
Key Features
- Provides a stable output voltage of 5V with an initial accuracy of ±0.3% (A and E grades) and ±0.5% (H grade and nongraded).
- Low temperature coefficient of 3 to 8.5 ppm/°C, ensuring minimal drift over temperature variations.
- Low output noise of 15 µV p-p typical, contributing to high precision in applications.
- High supply voltage range of 7 V to 36 V, making it versatile for various power supply conditions.
- Low supply current of 1.4 mA maximum, which is beneficial for low power consumption designs.
- High load-driving capability of up to 10 mA, suitable for applications requiring significant current sourcing or sinking.
- Available in 8-Lead CERDIP package, offering a compact and reliable form factor.
Applications
- Precision analog circuits such as A/D and D/A converters, voltage regulators, and voltage-controlled oscillators.
- Instrumentation, test and measurement equipment, and communication systems where precise voltage references are crucial.
- High-temperature industrial applications due to its wide operating temperature range of -55°C to +125°C.
- Precision data systems, high resolution converters, and industrial process control systems.
- Military and aerospace applications requiring high reliability and precision.
Q & A
- What is the output voltage of the REF02HJ? The output voltage of the REF02HJ is 5V with an initial accuracy of ±0.3% (A and E grades) and ±0.5% (H grade and nongraded).
- What is the temperature coefficient of the REF02HJ? The temperature coefficient is 3 to 8.5 ppm/°C.
- What is the input voltage range for the REF02HJ? The input voltage range is 7 V to 36 V.
- How much current can the REF02HJ supply? The REF02HJ can supply up to 10 mA of current.
- What is the operating temperature range of the REF02HJ? The operating temperature range is -55°C to +125°C.
- In what package is the REF02HJ available? The REF02HJ is available in an 8-Lead CERDIP package.
- What are some common applications of the REF02HJ? Common applications include precision analog circuits, instrumentation, test and measurement equipment, and high-temperature industrial applications.
- How much noise does the REF02HJ output? The output noise is 15 µV p-p typical.
- What is the maximum supply current of the REF02HJ? The maximum supply current is 1.4 mA.
- Can the REF02HJ be used in military and aerospace applications? Yes, it is suitable for military and aerospace applications due to its high reliability and precision).
