Overview
The REF3220AIDBVR is a precision voltage reference IC produced by Texas Instruments. It is part of the REF32xx family, known for its very low drift, micropower, and low-dropout characteristics. This device is packaged in a tiny SOT23-6 package, making it ideal for space-constrained and power-sensitive applications. The REF3220AIDBVR is designed to operate over a wide temperature range of –40°C to +125°C, ensuring stability and accuracy in various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBV), 6 pins |
| Operating Temperature Range | –40°C to +125°C |
| Output Voltage Accuracy | 0.01% (0.2% over temperature) |
| Temperature Drift | 7 ppm/°C (max) at 0°C to +125°C, 20 ppm/°C (max) at –40°C to +125°C |
| Output Current | ±10 mA |
| Quiescent Current | 100 µA |
| Dropout Voltage | 5 mV |
Key Features
- Excellent specified drift performance: 7 ppm/°C (max) at 0°C to +125°C and 20 ppm/°C (max) at –40°C to +125°C
- Microsize package: SOT23-6
- High output current: ±10 mA
- High accuracy: 0.01% (0.2% over temperature)
- Low quiescent current: 100 µA
- Low dropout voltage: 5 mV
- Stable with any capacitive load
Applications
The REF3220AIDBVR is particularly suited for portable and battery-powered applications due to its low power consumption and small size. It is also ideal for use in precision analog circuits, data acquisition systems, and any application requiring a stable and accurate voltage reference over a wide temperature range.
Q & A
- What is the package type of the REF3220AIDBVR? The REF3220AIDBVR is packaged in a SOT23-6 package.
- What is the operating temperature range of the REF3220AIDBVR? The operating temperature range is –40°C to +125°C.
- What is the output voltage accuracy of the REF3220AIDBVR? The output voltage accuracy is 0.01% (0.2% over temperature).
- What is the maximum temperature drift of the REF3220AIDBVR? The maximum temperature drift is 7 ppm/°C at 0°C to +125°C and 20 ppm/°C at –40°C to +125°C.
- What is the maximum output current of the REF3220AIDBVR? The maximum output current is ±10 mA.
- What is the quiescent current of the REF3220AIDBVR? The quiescent current is 100 µA.
- What is the dropout voltage of the REF3220AIDBVR? The dropout voltage is 5 mV.
- Is the REF3220AIDBVR stable with capacitive loads? Yes, the REF3220AIDBVR is stable with any capacitive load.
- What are some typical applications for the REF3220AIDBVR? Typical applications include portable and battery-powered devices, precision analog circuits, and data acquisition systems.
- Can the REF3220AIDBVR operate from a low supply voltage? Yes, the REF3220AIDBVR can operate from a supply as low as 5 mV above the output voltage under no load conditions.
