Overview
The REF3125AIDBZRG4 is a precision, low power, low dropout, series voltage reference from Texas Instruments. It is part of the REF31xx family, which is known for its high accuracy and stability. This component is packaged in a tiny 3-pin SOT-23 package, making it ideal for space-constrained and battery-powered applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBZ) |
| Pins | 3 |
| Operating Temperature Range (°C) | -40 to 125 |
| Low Dropout Voltage | 5 mV |
| Output Current | ±10 mA |
| Accuracy | 0.2% Maximum |
| Quiescent Current (IQ) | 115 µA Maximum |
| Temperature Coefficient | 15 ppm/°C (0°C to +70°C), 20 ppm/°C (40°C to +125°C) |
| Noise (0.1Hz to 10Hz) | 33 µVp-p |
| Noise (10Hz to 10kHz) | 48 µVrms |
| Input Voltage Range | 2.55V to 5.5V |
Key Features
- Compact Package: Available in a tiny 3-pin SOT-23 package, making it suitable for space-constrained applications.
- Low Dropout Voltage: Operates with a low dropout voltage of 5 mV.
- High Output Current: Can source or sink up to ±10 mA of output current.
- High Accuracy: Offers high accuracy with a maximum deviation of 0.2%.
- Low Quiescent Current: Consumes a low quiescent current of 115 µA maximum.
- Excellent Temperature Drift Performance: Specified drift performance of 15 ppm/°C from 0°C to +70°C and 20 ppm/°C from 40°C to +125°C.
- Stability with Capacitive Load: Stable with any capacitive load and does not require a load capacitor.
Applications
The REF3125AIDBZRG4 is ideal for various applications, including:
- Portable and Battery-Powered Devices: Its low power consumption and compact size make it suitable for handheld devices and other battery-powered equipment.
- Industrial Automation: Used in precision voltage reference applications in industrial automation systems.
- Medical Devices: Applied in medical devices that require high accuracy and stability in voltage references.
- Aerospace and Defense: Utilized in aerospace and defense applications where precision and reliability are critical.
Q & A
- What is the package type of the REF3125AIDBZRG4?
The REF3125AIDBZRG4 is packaged in a 3-pin SOT-23 package.
- What is the operating temperature range of the REF3125AIDBZRG4?
The operating temperature range is -40°C to 125°C.
- What is the low dropout voltage of the REF3125AIDBZRG4?
The low dropout voltage is 5 mV.
- What is the maximum output current of the REF3125AIDBZRG4?
The maximum output current is ±10 mA.
- What is the accuracy of the REF3125AIDBZRG4?
The accuracy is 0.2% maximum.
- What is the quiescent current of the REF3125AIDBZRG4?
The quiescent current is 115 µA maximum.
- Does the REF3125AIDBZRG4 require a load capacitor?
No, it does not require a load capacitor but is stable with any capacitive load.
- What are the typical applications of the REF3125AIDBZRG4?
It is used in portable and battery-powered devices, industrial automation, medical devices, and aerospace and defense applications.
- What is the temperature coefficient of the REF3125AIDBZRG4?
The temperature coefficient is 15 ppm/°C from 0°C to +70°C and 20 ppm/°C from 40°C to +125°C.
- What is the input voltage range of the REF3125AIDBZRG4?
The input voltage range is 2.55V to 5.5V.
