Overview
The LM4040CEM3-2.5+T is a precision voltage reference component manufactured by Analog Devices Inc./Maxim Integrated. This product is part of the LM4040 series, known for its high accuracy and low power consumption. The LM4040CEM3-2.5+T is specifically designed to provide a stable 2.5V output, making it ideal for applications requiring precise voltage regulation. Its compact SOT-23 package and robust performance make it suitable for a wide range of industries, including consumer electronics, industrial automation, and automotive systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.5 | V | ±0.1% accuracy |
| Operating Temperature Range | -40 to +125 | °C | |
| Supply Current | 60 | µA | Typical |
| Package | SOT-23 | 3-pin | |
| Load Regulation | 0.05 | mV/mA | |
| Line Regulation | 0.2 | mV/V | |
| Output Noise Voltage | 35 | µVRMS | 10Hz to 10kHz |
| Long-Term Stability | 20 | ppm/1000hrs |
Key Features
- High precision with ±0.1% output voltage accuracy.
- Low supply current of 60µA, ideal for battery-powered applications.
- Wide operating temperature range from -40°C to +125°C.
- Compact SOT-23 package for space-constrained designs.
- Excellent load and line regulation for stable performance.
- Low output noise voltage for noise-sensitive applications.
Applications
The LM4040CEM3-2.5+T is widely used in applications requiring precise voltage references. Its key application areas include:
- Consumer Electronics: Used in portable devices, audio equipment, and displays for stable voltage regulation.
- Industrial Automation: Ensures accurate voltage references in sensors, controllers, and measurement systems.
- Automotive Systems: Provides reliable voltage references for infotainment, ADAS, and engine control units.
- Medical Devices: Used in diagnostic equipment and wearable devices for precise voltage control.
Q & A
1. What is the output voltage of the LM4040CEM3-2.5+T?
The output voltage is 2.5V with ±0.1% accuracy.
2. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
3. What is the typical supply current?
The typical supply current is 60µA.
4. What package does the LM4040CEM3-2.5+T use?
It uses a compact SOT-23 3-pin package.
5. How does it perform in terms of load regulation?
It has excellent load regulation of 0.05mV/mA.
6. Is it suitable for battery-powered applications?
Yes, its low supply current makes it ideal for battery-powered devices.
7. What is the output noise voltage?
The output noise voltage is 35µVRMS from 10Hz to 10kHz.
8. Can it be used in automotive systems?
Yes, it is suitable for automotive applications due to its wide temperature range and reliability.
9. What is the long-term stability of this component?
The long-term stability is 20ppm/1000hrs.
10. Is it suitable for noise-sensitive applications?
Yes, its low output noise voltage makes it ideal for noise-sensitive designs.
