Overview
The REF02BU/2K5G4 is a precision 5V voltage reference IC produced by Texas Instruments. This component is designed to provide a highly stable and accurate voltage output, making it ideal for various precision applications. The REF02 series is known for its excellent temperature stability, low noise, and robust performance over a wide range of operating conditions.
Key Specifications
| Parameter | Conditions | Min | Max | Units | |
|---|---|---|---|---|---|
| Output Voltage | ILOAD = 0mA | 4.990 | 5.000 | 5.010 | V |
| Output Voltage Drift | –40°C to +85°C | 4 | 10 | ±ppm/°C | |
| Long-term Stability | 2000h Test | 100 | 100 | ±ppm | |
| Load Current (Source) | 10 | 21 | mA | ||
| Load Current (Sink) | –0.3 | –0.5 | mA | ||
| Short-circuit Current | VOUT = 0 | 30 | mA | ||
| Power Dissipation | No Load | 15 | 21 | mW | |
| Temperature Range | –40 | +85 | °C | ||
| Supply Range | 8 | 40 | V | ||
| Package Options | SO-8, DIP-8 |
Key Features
- Output Voltage: +5V ±0.2% max
- Temperature Stability: 10ppm/°C max (–40°C to +85°C)
- Low Noise: 10µVPP max (0.1Hz to 10Hz)
- Line Regulation: 0.01%/V max
- Load Regulation: 0.008%/mA max
- Low Supply Current: 1.4mA max
- Short-circuit Protected: Yes
- 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 REF02BU/2K5G4?
The output voltage is +5V ±0.2% max.
- What is the temperature stability of the REF02BU/2K5G4?
The temperature stability is 10ppm/°C max over the range of –40°C to +85°C.
- What is the noise level of the REF02BU/2K5G4?
The noise level is 10µVPP max from 0.1Hz to 10Hz.
- What is the line regulation of the REF02BU/2K5G4?
The line regulation is 0.01%/V max.
- What is the load regulation of the REF02BU/2K5G4?
The load regulation is 0.008%/mA max.
- What is the maximum supply current of the REF02BU/2K5G4?
The maximum supply current is 1.4mA.
- Is the REF02BU/2K5G4 short-circuit protected?
Yes, it is short-circuit protected.
- What is the operating temperature range of the REF02BU/2K5G4?
The operating temperature range is –40°C to +85°C.
- What package options are available for the REF02BU/2K5G4?
The package options are DIP-8 and SO-8.
- What are some common applications of the REF02BU/2K5G4?
Common applications include precision regulators, constant current sources/sinks, digital voltmeters, V/F converters, A/D and D/A converters, precision calibration standards, and test equipment.
