Overview
The REF02AU is a precision 5V voltage reference manufactured by Texas Instruments. This component is designed to provide a highly stable 5V output voltage, making it an ideal choice for various applications requiring precise voltage regulation. The REF02AU features excellent temperature stability, low noise, and minimal current drain, making it suitable for use in industrial and military temperature ranges. The device operates from a single supply with an input range of 8V to 40V and is available in DIP-8 and SO-8 package options.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Voltage | 4.985 | 5.0 | 5.015 | V |
| Temperature Stability | - | - | 10 ppm/°C | - |
| Noise (0.1Hz to 10Hz) | - | - | 10 µVpp max | - |
| Line Regulation | - | - | 0.01%/V max | - |
| Load Regulation | - | - | 0.008%/mA max | - |
| Supply Current | - | - | 1.4 mA max | - |
| Supply Range | 8V | - | 40V | - |
| Operating Temperature Range | -40°C | - | 85°C | - |
| Package Options | - | - | DIP-8, SO-8 | - |
Key Features
- Output Voltage: +5V ±0.2% max
- Excellent Temperature Stability: 10 ppm/°C max (–40°C to +85°C)
- Low Noise: 10 µVpp max (0.1Hz to 10Hz)
- Excellent Line Regulation: 0.01%/V max
- Excellent Load Regulation: 0.008%/mA max
- Low Supply Current: 1.4 mA max
- Short-Circuit Protected:
- Wide Supply Range: 8V to 40V
- Industrial Temperature Range: –40°C to +85°C
- Package Options: DIP-8, SO-8
Applications
- Precision Regulators
- Constant Current Source/Sink
- Digital Voltmeters
- V/F Converters
- A/D and D/A Converters
- Precision Calibration Standard
- Test Equipment
- Portable Instrumentation
- Temperature Transducers
Q & A
- What is the output voltage of the REF02AU? The output voltage of the REF02AU is +5V ±0.2% max.
- What is the temperature stability of the REF02AU? The temperature stability of the REF02AU is 10 ppm/°C max over the range of –40°C to +85°C.
- What is the noise level of the REF02AU? The noise level of the REF02AU is 10 µVpp max from 0.1Hz to 10Hz.
- What are the package options for the REF02AU? The REF02AU is available in DIP-8 and SO-8 package options.
- What is the supply range of the REF02AU? The supply range of the REF02AU is from 8V to 40V.
- Is the REF02AU short-circuit protected? Yes, the REF02AU is short-circuit protected.
- What are some common applications of the REF02AU? Common applications include precision regulators, constant current source/sink, digital voltmeters, V/F converters, A/D and D/A converters, precision calibration standards, and test equipment.
- What is the operating temperature range of the REF02AU? The operating temperature range of the REF02AU is –40°C to +85°C.
- How much current does the REF02AU draw from the supply? The REF02AU draws a maximum of 1.4 mA from the supply.
- Can the output voltage of the REF02AU be externally adjusted? Yes, the output voltage of the REF02AU can be externally adjusted over a ±6% range with minimal effect on temperature stability.
