Overview
The REF3040AIDBZR, produced by Texas Instruments, is a precision, low-power, low-dropout voltage reference component. It is part of the REF30xx family and is available in a compact 3-pin SOT-23 package. This component is designed to offer high accuracy and excellent temperature drift performance, making it suitable for a variety of industrial and portable applications. It operates with a quiescent current of 42 µA (typical) and does not require a load capacitor to be stable, which is advantageous in intrinsically safe and explosion-proof environments.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 4.096 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 |
| Package | SOT-23 (DBZ) with 3 pins |
| Operating Temperature Range | –40°C to +125°C |
Key Features
- MicroSize Package: SOT-23-3, making it ideal for space-constrained designs.
- Low Dropout: 1 mV, allowing operation with supplies within 1 mV of the output voltage under zero-load conditions.
- High Output Current: 25 mA, supporting a wide range of applications.
- High Accuracy: ±0.2% initial accuracy, ensuring precise voltage reference.
- Low IQ: 42 µA (Typical), contributing to low power consumption.
- Excellent Specified Drift Performance: 50 ppm/°C (0°C to 70°C) and 75 ppm/°C (–40°C to +125°C).
Applications
- Temperature and Pressure Transmitters: Due to its high accuracy and low drift, it is well-suited for industrial measurement applications.
- Portable, Battery-Powered Equipment: The low power consumption and small size make it ideal for battery-powered devices.
- Data Acquisition Systems: Provides a stable voltage reference for data acquisition systems.
- Medical Equipment: Used in medical devices where precision and reliability are critical.
- Handheld Test Equipment: Suitable for handheld test and measurement tools due to its compact size and low power requirements).
Q & A
- What is the output voltage of the REF3040AIDBZR?
The output voltage of the REF3040AIDBZR is 4.096 V).
- What is the initial accuracy of the REF3040AIDBZR?
The initial accuracy is ±0.2%).
- What is the temperature drift of the REF3040AIDBZR?
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 (IQ) of the REF3040AIDBZR?
The quiescent current (IQ) is 42 µA (Typical)).
- What is the package type and pin count of the REF3040AIDBZR?
The package type is SOT-23 (DBZ) with 3 pins).
- What is the operating temperature range of the REF3040AIDBZR?
The operating temperature range is –40°C to +125°C).
- Does the REF3040AIDBZR require a load capacitor to be stable?
No, it does not require a load capacitor to be stable).
- What are some typical applications of the REF3040AIDBZR?
Typical applications include temperature and pressure transmitters, portable battery-powered equipment, data acquisition systems, medical equipment, and handheld test equipment).
- What is the high output current capability of the REF3040AIDBZR?
The high output current capability is 25 mA).
- What is the low dropout voltage of the REF3040AIDBZR?
The low dropout voltage is 1 mV).
