Overview
The REF3433MDBVTEP from Texas Instruments is a high-precision, low-drift, and low-power voltage reference device. It is part of the REF34xx-EP series, designed for applications requiring high accuracy and stability over a wide temperature range. This device features a small footprint in a 6-pin SOT-23 package, making it suitable for space-constrained and battery-powered systems. The REF3433MDBVTEP offers excellent initial voltage accuracy, low temperature drift, and minimal output noise, making it ideal for precision data acquisition systems, industrial instrumentation, and other noise-critical applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Initial Accuracy | ±0.05% | |
| Temperature Coefficient | 10 ppm/°C | |
| Output Current | ±10 mA | |
| Quiescent Current | 95 µA (maximum) | |
| Input Voltage Range | 3.35 V to 13 V | |
| Operating Temperature Range | –55°C to 125°C | |
| Output Noise (0.1 Hz to 10 Hz) | 3.8 µVp-p/V | |
| Package Type | SOT-23 (6-pin) | |
| Long-term Stability | 25 ppm/1000 hours |
Key Features
- High initial voltage accuracy of ±0.05% and low temperature drift of 10 ppm/°C.
- Low quiescent current of 95 µA, making it suitable for battery-powered applications.
- Wide input voltage range from 3.35 V to 13 V.
- Low output noise of 3.8 µVp-p/V, ensuring high signal integrity.
- Small footprint in a 6-pin SOT-23 package.
- Excellent long-term stability with 25 ppm/1000 hours.
- Supports extended temperature range of –55°C to 125°C.
- Pin-to-pin replacement for MAX607x and ADR34xx series.
Applications
- Precision data acquisition systems.
- PLC analog I/O modules.
- Field transmitters.
- Industrial instrumentation.
- Test equipment.
- Power monitoring systems.
- Battery-powered and portable devices due to its low operating current.
Q & A
- What is the output voltage of the REF3433MDBVTEP?
The output voltage of the REF3433MDBVTEP is 3.3 V.
- What is the initial accuracy of the REF3433MDBVTEP?
The initial accuracy is ±0.05%.
- What is the temperature coefficient of the REF3433MDBVTEP?
The temperature coefficient is 10 ppm/°C.
- What is the maximum output current of the REF3433MDBVTEP?
The maximum output current is ±10 mA.
- What is the quiescent current of the REF3433MDBVTEP?
The quiescent current is 95 µA (maximum).
- What is the operating temperature range of the REF3433MDBVTEP?
The operating temperature range is –55°C to 125°C.
- What is the package type of the REF3433MDBVTEP?
The package type is SOT-23 (6-pin).
- How stable is the REF3433MDBVTEP over long-term use?
The device has a long-term stability of 25 ppm/1000 hours.
- Can the REF3433MDBVTEP be used in high-temperature environments?
Yes, it supports an extended temperature range of –55°C to 125°C.
- Is the REF3433MDBVTEP suitable for battery-powered devices?
Yes, due to its low quiescent current of 95 µA.
