Overview
The REF5020IDRG4 is a part of the REF50xx family of low-noise, very low drift, precision voltage references produced by Texas Instruments. This component is designed to offer excellent initial voltage accuracy and minimal temperature drift, making it ideal for high-precision applications. The REF5020IDRG4 is available in an 8-pin VSSOP package and operates over a temperature range of –40°C to 125°C.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (VOUT) | 2.7 V < VIN < 18 V | 2.048 | - | - | V |
| Initial Accuracy (High Grade) | - | -0.05% | - | 0.05% | % |
| Initial Accuracy (Standard Grade) | - | -0.1% | - | 0.1% | % |
| Output Voltage Noise (0.1 Hz to 10 Hz) | - | - | - | 3 µVPP/V | µVPP/V |
| Output Voltage Temperature Drift (High Grade) | - | - | - | 3 ppm/°C | ppm/°C |
| Output Voltage Temperature Drift (Standard Grade) | - | - | - | 8 ppm/°C | ppm/°C |
| Line Regulation | VIN = (VOUT + 0.2 V) to 18 V | - | - | 0.1 ppm/V | ppm/V |
| Load Regulation | -10 mA < ILOAD < 10 mA, VIN = VOUT + 0.75 V | - | - | 20 ppm/mA | ppm/mA |
| Quiescent Current | TA = –40°C to 125°C | 0.8 | 1 | 1.2 | mA |
| Temperature Range | - | -40 | - | 125 | °C |
Key Features
- Low temperature drift: High-grade up to 3 ppm/°C and standard-grade up to 8 ppm/°C.
- High accuracy: High-grade ±0.05% and standard-grade ±0.1%.
- Low noise: 3 µVPP/V in the 0.1 Hz to 10 Hz frequency range.
- Excellent long-term stability: 45 ppm/1000 hours after 1000 hours.
- High-output current capability: ±10 mA.
- Excellent line and load regulation.
Applications
- Precision data acquisition systems.
- ATE (Automated Test Equipment).
- Industrial process controls.
- Medical instrumentation.
- Pressure and temperature transmitters.
- Seismic monitoring systems.
Q & A
- What is the output voltage of the REF5020IDRG4? The output voltage of the REF5020IDRG4 is 2.048 V.
- What is the temperature drift of the high-grade REF5020IDRG4? The temperature drift of the high-grade REF5020IDRG4 is up to 3 ppm/°C.
- What is the initial accuracy of the high-grade REF5020IDRG4? The initial accuracy of the high-grade REF5020IDRG4 is ±0.05%.
- What is the noise level of the REF5020IDRG4 in the 0.1 Hz to 10 Hz frequency range? The noise level is 3 µVPP/V.
- What is the operating temperature range of the REF5020IDRG4? The operating temperature range is –40°C to 125°C.
- What is the quiescent current of the REF5020IDRG4? The quiescent current is typically 1 mA, with a maximum of 1.2 mA over the temperature range.
- What are the typical applications of the REF5020IDRG4? Typical applications include precision data acquisition systems, ATE equipment, industrial process controls, medical instrumentation, pressure and temperature transmitters, and seismic monitoring systems.
- What is the package type of the REF5020IDRG4? The REF5020IDRG4 is available in an 8-pin VSSOP package.
- What is the long-term stability of the REF5020IDRG4? The long-term stability is typically 45 ppm/1000 hours after 1000 hours.
- Can the REF5020IDRG4 source and sink current? Yes, the REF5020IDRG4 is capable of both sourcing and sinking current up to ±10 mA).
