Overview
The REF3025AIDBZR is a precision, low-power, low-dropout voltage reference from Texas Instruments. It is part of the REF30xx family, which is known for its high accuracy and excellent temperature drift performance. This component is packaged in a compact 3-pin SOT-23 (DBZ) package, making it ideal for space-constrained applications. The REF3025AIDBZR operates with a quiescent current of 42 µA (typical) and is specified over an extended industrial temperature range of –40°C to +125°C, making it suitable for a variety of industrial and portable applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.495 to 2.505 | V |
| Initial Accuracy | 0.2% | |
| Temperature Drift | 50 ppm/°C (0°C to 70°C), 75 ppm/°C (–40°C to +125°C) | |
| Quiescent Current (IQ) | 42 µA (Typical) | |
| Low Dropout | 1 mV | |
| High Output Current | 25 mA | |
| Operating Temperature Range | –40°C to +125°C | |
| Package | SOT-23 (DBZ) with 3 pins |
Key Features
- MicroSize Package: SOT-23-3
- Low Dropout: 1 mV
- High Output Current: 25 mA
- High Accuracy: 0.2%
- Low IQ: 42 µA (Typical)
- Excellent Specified Drift Performance: 50 ppm/°C (Maximum) from 0°C to 70°C, 75 ppm/°C (Maximum) 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
Q & A
- What is the output voltage of the REF3025AIDBZR? The output voltage of the REF3025AIDBZR is 2.5 V with an initial accuracy of 0.2%.
- What is the temperature drift of the REF3025AIDBZR? The temperature drift is 50 ppm/°C from 0°C to 70°C and 75 ppm/°C from –40°C to +125°C.
- What is the quiescent current of the REF3025AIDBZR? The quiescent current is 42 µA (typical).
- What is the package type of the REF3025AIDBZR? The package type is SOT-23 (DBZ) with 3 pins.
- Does the REF3025AIDBZR require a load capacitor for stability? No, the REF3025AIDBZR does not require a load capacitor for stability.
- What are the typical applications of the REF3025AIDBZR? Typical applications include temperature and pressure transmitters, portable and battery-powered equipment, data acquisition systems, medical equipment, and handheld test equipment.
- What is the operating temperature range of the REF3025AIDBZR? The operating temperature range is –40°C to +125°C.
- What is the high output current capability of the REF3025AIDBZR? The high output current capability is 25 mA.
- Is the REF3025AIDBZR suitable for intrinsically safe and explosion-proof applications? Yes, it is suitable for intrinsically safe and explosion-proof applications.
- What is the low dropout voltage of the REF3025AIDBZR? The low dropout voltage is 1 mV.
