Overview
The REF3020AIDBZRG4 is a precision, low-power, low-dropout voltage reference IC from Texas Instruments. This component is part of the REF30xx family and is designed to provide a stable and accurate output voltage. It is packaged in a compact 3-pin SOT-23 package, making it suitable for a wide range of applications where space and power efficiency are critical.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VOUT) | 2.044 | 2.048 | 2.052 | V |
| Initial Accuracy | 0.2% | |||
| Output Voltage Noise (f = 0.1 Hz to 10 Hz) | 23 μVPP | |||
| Output Voltage Noise (f = 10 Hz to 10 kHz) | 65 μVrms | |||
| Line Regulation (VREF + 50 mV ≤ VIN ≤ 5.5 V) | 110 | 290 | μV/V | |
| Quiescent Current (IQ) | 42 µA | |||
| Dropout Voltage | 1 mV | |||
| Temperature Drift (0°C to 70°C) | 50 ppm/°C | |||
| Temperature Drift (–40°C to +125°C) | 75 ppm/°C | |||
| Output Current | 25 mA |
Key Features
- Micro-size package: SOT-23-3
- Low dropout voltage: 1 mV
- High output current: 25 mA
- High accuracy: 0.2%
- Low quiescent current: 42 µA (typical)
- Excellent temperature drift performance: 50 ppm/°C (max) from 0°C to 70°C and 75 ppm/°C (max) from –40°C to +125°C
- No load capacitor required for stability
Applications
- Temperature and pressure transmitters
- Portable, battery-powered equipment
- Data acquisition systems
- Medical equipment
- Handheld test equipment
- Loop-powered industrial applications
- Intrinsically safe and explosion-proof applications
Q & A
- What is the output voltage of the REF3020AIDBZRG4? The output voltage of the REF3020AIDBZRG4 is 2.048 V.
- What is the initial accuracy of the REF3020AIDBZRG4? The initial accuracy is 0.2%.
- What is the quiescent current of the REF3020AIDBZRG4? The quiescent current is typically 42 µA.
- What is the maximum output current of the REF3020AIDBZRG4? The maximum output current is 25 mA.
- Does the REF3020AIDBZRG4 require a load capacitor for stability? No, it does not require a load capacitor for stability.
- What is the temperature drift of the REF3020AIDBZRG4 from 0°C to 70°C? The temperature drift is 50 ppm/°C (max) from 0°C to 70°C.
- What is the temperature drift of the REF3020AIDBZRG4 from –40°C to +125°C? The temperature drift is 75 ppm/°C (max) from –40°C to +125°C.
- In what package is the REF3020AIDBZRG4 available? It is available in a 3-pin SOT-23 package.
- What are some typical applications of the REF3020AIDBZRG4? Typical applications include temperature and pressure transmitters, portable battery-powered equipment, data acquisition systems, medical equipment, and handheld test equipment.
- Is the REF3020AIDBZRG4 suitable for intrinsically safe and explosion-proof applications? Yes, it is suitable for intrinsically safe and explosion-proof applications.
