Overview
The REF3425IDBVR is a precision bandgap voltage reference from Texas Instruments, designed for excellent initial voltage accuracy and minimal drift. This component is part of the REF34xx family, which is known for its low-noise and low-power characteristics. The REF3425IDBVR is particularly suited for applications requiring high stability and accuracy over a wide temperature range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage | - | 2.5 | - | V |
| Output Voltage Accuracy | -0.05 | - | 0.05 | % |
| Temperature Coefficient | 2.5 | - | 6 | ppm/°C |
| Operating Temperature Range | -40 | - | 125 | °C |
| Output Current | -10 | - | 10 | mA |
| Quiescent Current (Active Mode) | 72 | - | 95 | μA |
| Dropout Voltage | 50 | - | 100 | mV |
| Input Voltage | - | - | 12 | V |
| Low Frequency Noise (0.1 Hz to 10 Hz) | - | - | 3.8 | µVp-p/V |
| Long-term Stability (0 to 1000 hours) | - | - | 25 | ppm |
Key Features
- High initial voltage accuracy: ±0.05% maximum
- Low temperature coefficient: 6 ppm/°C maximum
- Wide operating temperature range: -40°C to +125°C
- Low quiescent current: 95 μA maximum in active mode
- Ultra-low dropout voltage: 100 mV maximum
- Low noise performance: 3.8 µVp-p/V in the 0.1 Hz to 10 Hz range
- Excellent long-term stability: 25 ppm over 1000 hours
- Multiple package options: 6-pin SOT-23 package
- Enable pin for device control: allows for shutdown and active modes
Applications
- Data acquisition systems
- Analog I/O modules
- Field transmitters
- Lab and field instrumentation
- Servo drive control modules
- DC power supplies, AC sources, and electronic loads
Q & A
- What is the output voltage of the REF3425IDBVR?
The output voltage of the REF3425IDBVR is 2.5 V.
- What is the temperature coefficient of the REF3425IDBVR?
The temperature coefficient is 6 ppm/°C maximum.
- What is the operating temperature range of the REF3425IDBVR?
The operating temperature range is -40°C to +125°C.
- What is the quiescent current of the REF3425IDBVR in active mode?
The quiescent current is 95 μA maximum in active mode.
- What is the dropout voltage of the REF3425IDBVR?
The dropout voltage is 100 mV maximum.
- What is the noise performance of the REF3425IDBVR in the 0.1 Hz to 10 Hz range?
The noise performance is 3.8 µVp-p/V in the 0.1 Hz to 10 Hz range.
- What is the long-term stability of the REF3425IDBVR?
The long-term stability is 25 ppm over 1000 hours.
- What package options are available for the REF3425IDBVR?
The REF3425IDBVR is available in a 6-pin SOT-23 package.
- Does the REF3425IDBVR have an enable pin for device control?
Yes, the REF3425IDBVR has an enable pin that allows for shutdown and active modes.
- What are some typical applications of the REF3425IDBVR?
Typical applications include data acquisition systems, analog I/O modules, field transmitters, lab and field instrumentation, servo drive control modules, and DC power supplies.
