Overview
The REF3425MDBVTEP from Texas Instruments is a high-precision, low-drift, and low-power CMOS voltage reference. This device is part of the REF34xx-EP family, designed for excellent initial voltage accuracy and minimal drift over temperature. It features a small SOT-23 package, making it suitable for space-constrained and battery-powered applications. The REF3425MDBVTEP is particularly useful in systems requiring high signal integrity and low noise, such as precision data acquisition systems, industrial instrumentation, and test equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Temperature Coefficient | 10 ppm/°C (max) | |
| Output Current | ±10 mA | |
| Quiescent Current | 95 µA (max) | |
| Input Voltage | Up to 12 V | |
| Output Noise (0.1 Hz to 10 Hz) | 3.8 µVp-p/V | |
| Operating Temperature Range | –55°C to 125°C | |
| Package Type | SOT-23 (6-pin) | |
| Long-term Stability | 25 ppm/1000 hours |
Key Features
- High precision with ±0.05% initial accuracy
- Low temperature drift of 10 ppm/°C (max)
- Low quiescent current of 95 µA (max)
- Low output noise of 3.8 µVp-p/V (0.1 Hz to 10 Hz)
- Wide input voltage range up to 12 V
- Small SOT-23 package for space-constrained applications
- Excellent long-term stability of 25 ppm/1000 hours
- Supports extended temperature range of –55°C to 125°C
- Enable pin for device enable/disable functionality
Applications
- Precision data acquisition systems
- PLC analog I/O modules
- Field transmitters
- Industrial instrumentation
- Test equipment
- Power monitoring systems
- Portable and battery-powered devices
Q & A
- What is the output voltage of the REF3425MDBVTEP?
The output voltage of the REF3425MDBVTEP is 2.5 V.
- What is the temperature coefficient of the REF3425MDBVTEP?
The temperature coefficient is 10 ppm/°C (maximum).
- What is the maximum output current of the REF3425MDBVTEP?
The maximum output current is ±10 mA.
- What is the quiescent current of the REF3425MDBVTEP?
The quiescent current is 95 µA (maximum).
- What is the input voltage range of the REF3425MDBVTEP?
The input voltage range is up to 12 V.
- What is the operating temperature range of the REF3425MDBVTEP?
The operating temperature range is –55°C to 125°C.
- What package type does the REF3425MDBVTEP come in?
The REF3425MDBVTEP comes in a 6-pin SOT-23 package.
- What is the long-term stability of the REF3425MDBVTEP?
The long-term stability is 25 ppm over 1000 hours.
- What are some typical applications of the REF3425MDBVTEP?
Typical applications include precision data acquisition systems, PLC analog I/O modules, field transmitters, industrial instrumentation, and test equipment.
- Does the REF3425MDBVTEP have an enable/disable feature?
