Overview
The REF3120AIDBZRG4 is a precision voltage reference IC produced by Texas Instruments. It is part of the REF31xx family, known for its high accuracy, low power consumption, and compact design. This component is housed in a small 3-pin SOT-23 package, making it ideal for space-constrained and battery-powered applications. The REF3120AIDBZRG4 offers a fixed output voltage with high stability and low drift over temperature, ensuring reliable performance in various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | REF3120AIDBZRG4 |
| Package | SOT-23-3 |
| Output Voltage | 2.048V (Fixed) |
| Input Voltage Range | 2.098V ~ 5.5V |
| Tolerance | ±0.2% |
| Temperature Coefficient | 20 ppm/°C (Max) from -40°C to +125°C |
| Operating Temperature Range | -40°C to +125°C |
| Supply Current | 135 µA (Max) |
| Output Current | ±10 mA |
| Noise (10Hz to 10kHz) | 39 µVrms |
| Noise (0.1Hz to 10Hz) | 27 µVp-p |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Key Features
- High Accuracy: The REF3120AIDBZRG4 offers a high accuracy of ±0.2% maximum, ensuring stable output voltage.
- Low Power Consumption: With a typical supply current of 100 µA, it is suitable for battery-powered and portable applications.
- Low Dropout Voltage: The component has a low dropout voltage of 5 mV, allowing it to operate with minimal input voltage.
- High Output Current: It can source or sink up to 10 mA of output current, making it versatile for various applications.
- Excellent Drift Performance: The temperature coefficient is 15 ppm/°C (Max) from 0°C to +70°C and 20 ppm/°C (Max) from -40°C to +125°C.
- Compact Design: The SOT-23-3 package makes it ideal for space-constrained designs.
- No Load Capacitor Required: The REF3120AIDBZRG4 is stable with any capacitive load and does not require a load capacitor.
Applications
The REF3120AIDBZRG4 is suitable for a variety of applications due to its precision, low power consumption, and compact size. Some common applications include:
- Portable and Battery-Powered Devices: Ideal for devices where power efficiency and small size are critical.
- Industrial Control Systems: Used in systems requiring stable voltage references for accurate measurements and control.
- Medical Devices: Suitable for medical equipment that demands high accuracy and reliability.
- Aerospace and Automotive Systems: Used in applications requiring high precision and stability over a wide temperature range.
Q & A
- What is the output voltage of the REF3120AIDBZRG4?
The output voltage of the REF3120AIDBZRG4 is 2.048V (Fixed).
- What is the input voltage range for the REF3120AIDBZRG4?
The input voltage range is from 2.098V to 5.5V.
- What is the tolerance of the REF3120AIDBZRG4?
The tolerance is ±0.2%.
- What is the operating temperature range of the REF3120AIDBZRG4?
The operating temperature range is from -40°C to +125°C.
- How much current can the REF3120AIDBZRG4 source or sink?
The REF3120AIDBZRG4 can source or sink up to 10 mA of output current.
- Does the REF3120AIDBZRG4 require a load capacitor?
No, the REF3120AIDBZRG4 does not require a load capacitor and is stable with any capacitive load.
- What is the typical supply current of the REF3120AIDBZRG4?
The typical supply current is 100 µA.
- Is the REF3120AIDBZRG4 RoHS compliant?
Yes, the REF3120AIDBZRG4 is ROHS3 compliant.
- What is the noise level of the REF3120AIDBZRG4 in the 10Hz to 10kHz range?
The noise level in the 10Hz to 10kHz range is 39 µVrms.
- What are some common applications of the REF3120AIDBZRG4?
Common applications include portable and battery-powered devices, industrial control systems, medical devices, and aerospace and automotive systems.
