Overview
The REF3430IDBVR from Texas Instruments is a 3-V, low-drift, low-power, series voltage reference designed for high-precision applications. This device features a small footprint in a 6-pin SOT-23 package, making it ideal for space-constrained and battery-powered systems. With its high initial accuracy and low temperature drift, the REF3430IDBVR is suitable for use in noise-critical systems and high-resolution data converters.
Key Specifications
| Parameter | Value |
|---|---|
| Initial Accuracy | ±0.05% (maximum) |
| Temperature Coefficient | 6 ppm/°C (maximum) |
| Operating Temperature Range | −40°C to +125°C |
| Output Current | ±10 mA |
| Quiescent Current | 95 µA (maximum) |
| Zero Load Dropout Voltage | 100 mV (maximum) |
| Input Voltage Range | 3.5 V to 12 V |
| Output 1/f Noise (0.1 Hz to 10 Hz) | 3.8 µV p-p/V |
| Long-term Stability | 25 ppm/1000 hrs |
| Package | SOT-23 (DBV) with 6 pins |
Key Features
- High initial accuracy of ±0.05% and low temperature drift of 6 ppm/°C, ensuring stable voltage reference across a wide temperature range.
- Low power consumption with a quiescent current of less than 95 µA, making it suitable for battery-powered and portable applications.
- Ultra-low zero load dropout voltage of 100 mV and wide input voltage range from 3.5 V to 12 V.
- Very low output noise of 3.8 µV p-p/V, which is crucial for maintaining high signal integrity in noise-critical systems.
- Small footprint in a 6-pin SOT-23 package, offering pin-to-pin replacement for MAX607x, ADR34xx, and LT1790.
- Compatibility with most ADC and DAC devices such as ADS1287, DAC8802, and ADS1112.
Applications
- Noise-critical systems requiring high signal integrity.
- High-resolution data converters and analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
- Portable and battery-powered devices where low power consumption is essential.
- Industrial and automotive applications that require stable voltage references across a wide temperature range.
Q & A
- What is the initial accuracy of the REF3430IDBVR? The initial accuracy is ±0.05% (maximum).
- What is the temperature coefficient of the REF3430IDBVR? The temperature coefficient is 6 ppm/°C (maximum).
- What is the operating temperature range of the REF3430IDBVR? The operating temperature range is −40°C to +125°C.
- What is the maximum output current of the REF3430IDBVR? The maximum output current is ±10 mA.
- What is the quiescent current of the REF3430IDBVR? The quiescent current is less than 95 µA (maximum).
- What is the zero load dropout voltage of the REF3430IDBVR? The zero load dropout voltage is 100 mV (maximum).
- What is the input voltage range of the REF3430IDBVR? The input voltage range is from 3.5 V to 12 V.
- What is the output 1/f noise of the REF3430IDBVR? The output 1/f noise is 3.8 µV p-p/V (0.1 Hz to 10 Hz).
- What is the long-term stability of the REF3430IDBVR? The long-term stability is 25 ppm/1000 hrs.
- In what package is the REF3430IDBVR available? The REF3430IDBVR is available in a 6-pin SOT-23 (DBV) package.
