Overview
The REF3430QDBVRQ1 is a high-precision, low-drift, low-power voltage reference component produced by Texas Instruments. Designed for automotive and industrial applications, this device offers exceptional accuracy and stability, making it ideal for demanding environments. Its compact SOT-23 package and low power consumption make it suitable for space-constrained and energy-efficient designs. The REF3430QDBVRQ1 is particularly well-suited for applications requiring precise voltage references, such as data acquisition systems, analog I/O modules, and field transmitters.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Initial Accuracy | ±0.05% | Maximum | |
| Temperature Coefficient | 6 | ppm/°C | Maximum |
| Operating Temperature Range | -40 to +125 | °C | |
| Output Current | ±10 | mA | |
| Quiescent Current | 95 | µA | Maximum |
| Dropout Voltage | 100 | mV | Maximum |
| Input Voltage Range | Up to 12 | V | |
| Noise (0.1Hz to 10Hz) | 3.8 | µV PP/V | |
| Long-Term Stability | 25 | ppm/1000 hours | |
| Package | SOT-23 | 6-pin |
Key Features
- High Precision: Initial accuracy of ±0.05% ensures reliable performance in critical applications.
- Low Drift: Temperature coefficient of 6ppm/°C provides stability across a wide temperature range.
- Low Power Consumption: Quiescent current of 95µA maximizes energy efficiency.
- Compact Design: SOT-23 package enables use in space-constrained designs.
- Wide Input Voltage Range: Supports input voltages up to 12V, making it versatile for various applications.
Applications
The REF3430QDBVRQ1 is widely used in automotive, industrial, and instrumentation applications. It is particularly well-suited for data acquisition systems, where precise voltage references are critical. In analog I/O modules, it ensures accurate signal processing. Additionally, it is used in field transmitters and laboratory equipment to maintain consistent performance in challenging environments. Its low power consumption and compact size also make it ideal for portable and battery-powered devices.
Q & A
1. What is the initial accuracy of the REF3430QDBVRQ1?
The initial accuracy is ±0.05% maximum.
2. What is the operating temperature range of this component?
It operates from -40°C to +125°C.
3. What is the maximum quiescent current?
The maximum quiescent current is 95µA.
4. What package does the REF3430QDBVRQ1 come in?
It is available in a 6-pin SOT-23 package.
5. What is the temperature coefficient of this voltage reference?
The temperature coefficient is 6ppm/°C maximum.
6. What is the maximum dropout voltage?
The maximum dropout voltage is 100mV.
7. What is the input voltage range supported by this component?
It supports input voltages up to 12V.
8. What are the typical applications of the REF3430QDBVRQ1?
Typical applications include data acquisition systems, analog I/O modules, and field transmitters.
9. Is this component suitable for automotive applications?
Yes, it is designed for automotive and industrial applications.
10. What is the long-term stability of the REF3430QDBVRQ1?
The long-term stability is 25ppm/1000 hours.
