Overview
The REF5040IDR is a precision voltage reference IC produced by Texas Instruments. It is part of the REF50xx family, known for its low noise, very low drift, and high precision. This device is designed to provide a stable voltage reference, making it an excellent choice for high-precision applications. The REF5040IDR is available in an 8-pin SOIC package and operates over a wide temperature range from -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 4.096 | V |
| Output Voltage Tolerance | ±0.05% | - |
| Temperature Coefficient | 3 ppm/°C | - |
| Noise (0.1 Hz to 10 Hz) | 3 µVpp/V | - |
| Output Current | ±10 mA | - |
| Input Voltage Range | 4.296 V to 18 V | - |
| Supply Current | 1.2 mA | - |
| Operating Temperature Range | -40°C to 125°C | - |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | - |
Key Features
- Low temperature drift: 3 ppm/°C (maximum) for high-grade and 8 ppm/°C for standard-grade.
- High accuracy: ±0.05% for high-grade and ±0.1% for standard-grade.
- Low noise: 3 µVpp/V in the 0.1 Hz to 10 Hz frequency range.
- Excellent long-term stability: 22 ppm after the first 1000 hours for SOIC-8 and 50 ppm for VSSOP-8.
- High-output current capability: ±10 mA.
- Excellent line and load regulation.
Applications
- Precision data acquisition systems.
- Semiconductor test equipment.
- Industrial process controls.
- Medical instrumentation.
- Pressure and temperature transmitters.
- Lab and field instrumentation.
Q & A
- What is the output voltage of the REF5040IDR?
The output voltage of the REF5040IDR is 4.096 V.
- What is the temperature coefficient of the REF5040IDR?
The temperature coefficient of the REF5040IDR is 3 ppm/°C for high-grade and 8 ppm/°C for standard-grade.
- What is the noise level of the REF5040IDR in the 0.1 Hz to 10 Hz frequency range?
The noise level of the REF5040IDR in the 0.1 Hz to 10 Hz frequency range is 3 µVpp/V.
- What is the maximum output current of the REF5040IDR?
The maximum output current of the REF5040IDR is ±10 mA.
- What is the operating temperature range of the REF5040IDR?
The operating temperature range of the REF5040IDR is -40°C to 125°C.
- In what package is the REF5040IDR available?
The REF5040IDR is available in an 8-SOIC (0.154", 3.90mm Width) package.
- What are some typical applications of the REF5040IDR?
Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, pressure and temperature transmitters, and lab and field instrumentation).
- How accurate is the REF5040IDR in terms of output voltage tolerance?
The output voltage tolerance of the REF5040IDR is ±0.05% for high-grade and ±0.1% for standard-grade).
- What is the long-term stability of the REF5040IDR?
The long-term stability of the REF5040IDR is 22 ppm after the first 1000 hours for SOIC-8 and 50 ppm for VSSOP-8).
- What is the input voltage range for the REF5040IDR?
The input voltage range for the REF5040IDR is 4.296 V to 18 V).
