Overview
The REF3040AIDBZT 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 tiny 3-pin SOT-23 package, making it ideal for space-constrained and low-power applications. The REF3040AIDBZT operates over an extended industrial temperature range of –40°C to +125°C, making it suitable for a wide range of industrial and portable applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBZ), 3 pins |
| Operating Temperature Range | –40°C to 125°C |
| Output Voltage | 4.096V ± 0.2% |
| Low Dropout | 1 mV |
| High Output Current | 25 mA |
| Quiescent Current (Iq) | 42 µA (Typical) |
| Temperature Drift | 50 ppm/°C (Max) from 0°C to 70°C, 75 ppm/°C (Max) from –40°C to +125°C |
Key Features
- MicroSize Package: SOT-23-3, ideal for space-constrained applications.
- Low Dropout: 1 mV, allowing operation with supplies close to the output voltage.
- High Output Current: 25 mA, supporting a variety of load conditions.
- High Accuracy: 0.2% initial accuracy and excellent temperature drift performance.
- Low Quiescent Current: 42 µA (typical), suitable for low-power and battery-powered applications.
- No Load Capacitor Required: Stable operation without the need for an external load capacitor.
Applications
The REF3040AIDBZT is highly suitable for various applications, including:
- Loop-powered industrial applications such as pressure and temperature transmitters.
- Intrinsically safe and explosion-proof applications due to its stability without a load capacitor.
- Portable and battery-powered devices where low power consumption and high precision are critical.
Q & A
- What is the output voltage of the REF3040AIDBZT?
The output voltage of the REF3040AIDBZT is 4.096V with an accuracy of ±0.2%. - What is the package type and pin count of the REF3040AIDBZT?
The REF3040AIDBZT is packaged in a 3-pin SOT-23 (DBZ) package. - What is the operating temperature range of the REF3040AIDBZT?
The operating temperature range is –40°C to 125°C. - What is the low dropout voltage of the REF3040AIDBZT?
The low dropout voltage is 1 mV. - What is the maximum output current of the REF3040AIDBZT?
The maximum output current is 25 mA. - What is the typical quiescent current of the REF3040AIDBZT?
The typical quiescent current is 42 µA. - Does the REF3040AIDBZT require a load capacitor for stability?
No, the REF3040AIDBZT does not require a load capacitor to be stable. - What are some typical applications for the REF3040AIDBZT?
Typical applications include loop-powered industrial applications, intrinsically safe and explosion-proof applications, and portable and battery-powered devices. - What is the temperature drift performance of the REF3040AIDBZT?
The temperature drift is 50 ppm/°C (max) from 0°C to 70°C and 75 ppm/°C (max) from –40°C to +125°C. - Is the REF3040AIDBZT suitable for high-precision applications?
Yes, the REF3040AIDBZT is suitable for high-precision applications due to its high accuracy and excellent temperature drift performance.
