Overview
The REF3430TIDBVR, produced by Texas Instruments, is a part of the REF34xx family of low-noise, precision bandgap voltage references. These devices are designed for excellent initial voltage accuracy and minimal drift, making them ideal for high-precision applications. The REF3430TIDBVR features a low dropout voltage, low quiescent current, and high stability over a wide temperature range, which enhances its suitability for various industrial and consumer electronics.
Key Specifications
| Parameter | Test Condition | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage Accuracy | TA = 25°C | -0.05 | 0.05 | 0.05 | % |
| Output Voltage Temperature Coefficient | -40°C ≤ TA ≤ 125°C | 2.5 | 6 | 6 | ppm/°C |
| Line Regulation | VIN = VOUT + VDO to 12 V | 2 | 15 | 15 | ppm/V |
| Load Regulation (Sourcing) | IL = 0 mA to 10 mA, VIN = VOUT + VDO | 20 | 30 | 30 | ppm/mA |
| Load Regulation (Sinking) | IL = 0 mA to -10 mA, VIN = VOUT + VDO, TA = 25°C | 43 | 75 | 75 | ppm/mA |
| Output Current | -10 | 10 | mA | ||
| Quiescent Current | Active mode | 72 | 95 | 95 | μA |
| Dropout Voltage | IL = 0 mA | 50 | 100 | 100 | mV |
| Operating Temperature Range | -40 | 125 | °C | ||
| Output 1/f Noise (0.1 Hz to 10 Hz) | 3.8 | µVp-p/V | |||
| Long-term Stability | 0 to 1000 hours at 35°C | 25 | ppm |
Key Features
- Initial accuracy: ±0.05% (maximum)
- Temperature coefficient: 6 ppm/°C (maximum)
- Operating temperature range: -40°C to +125°C
- Output current: ±10 mA
- Low quiescent current: 95 μA (maximum)
- Ultra-low zero load dropout voltage: 100 mV (maximum)
- Wide input voltage: 12 V
- Output 1/f noise (0.1 Hz to 10 Hz): 3.8 µVp-p/V
- Excellent long-term stability: 25 ppm/1000 hours
- Multiple small footprint 6-pin SOT-23 package pinouts
Applications
- Data acquisition systems
- Analog I/O modules
- Field transmitters
- Lab & field instrumentation
- Servo drive control modules
- DC power supply, AC source, electronic load
Q & A
- What is the initial accuracy of the REF3430TIDBVR?
The initial accuracy of the REF3430TIDBVR is ±0.05% (maximum) at 25°C.
- What is the temperature coefficient of the REF3430TIDBVR?
The temperature coefficient of the REF3430TIDBVR is 6 ppm/°C (maximum) over the operating temperature range of -40°C to +125°C.
- What is the operating temperature range of the REF3430TIDBVR?
The operating temperature range of the REF3430TIDBVR is -40°C to +125°C.
- What is the output current capacity of the REF3430TIDBVR?
The output current capacity of the REF3430TIDBVR is ±10 mA.
- What is the quiescent current of the REF3430TIDBVR in active mode?
The quiescent current of the REF3430TIDBVR in active mode is 95 μA (maximum).
- What is the dropout voltage of the REF3430TIDBVR at zero load?
The dropout voltage of the REF3430TIDBVR at zero load is 100 mV (maximum).
- What is the output voltage of the REF3430TIDBVR?
The output voltage of the REF3430TIDBVR is 3.0 V.
- What is the noise performance of the REF3430TIDBVR in the 0.1 Hz to 10 Hz range?
The noise performance of the REF3430TIDBVR in the 0.1 Hz to 10 Hz range is 3.8 µVp-p/V.
- What are the typical applications of the REF3430TIDBVR?
The REF3430TIDBVR is typically used in data acquisition systems, analog I/O modules, field transmitters, lab & field instrumentation, servo drive control modules, and DC power supplies, among others.
- What is the package type and pin configuration of the REF3430TIDBVR?
The REF3430TIDBVR comes in a 6-pin SOT-23 package with specific pin functions for ground, input, output, and enable connections.
