Overview
The LM4040CEM3-2.5 is a precision shunt voltage reference component manufactured by Texas Instruments. It is designed to provide a stable 2.5V output voltage, making it suitable for applications requiring high accuracy and reliability. This component is part of the LM4040 series, known for its low power consumption and compact size. The LM4040CEM3-2.5 is targeted at designers and engineers in industries such as automotive, industrial automation, and consumer electronics, where precise voltage references are critical. Its unique selling points include a high accuracy of ±0.5%, low temperature coefficient, and a small SOT-23 package, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.5 | V | Fixed |
| Accuracy | ±0.5 | % | |
| Temperature Coefficient | 100 | ppm/°C | |
| Output Current | 15 | mA | |
| Cathode Current | 65 | µA | |
| Noise | 35 | µVrms | |
| Operating Temperature | -40 to +85 | °C | |
| Package | SOT-23 | 3-Pin | |
| Dimensions | 2.92 x 1.30 | mm | |
| Height | 1.12 | mm |
Key Features
- High precision with ±0.5% accuracy.
- Low temperature coefficient of 100ppm/°C ensures stable performance across varying temperatures.
- Compact SOT-23 package for space-constrained applications.
- Low power consumption with a cathode current of 65µA.
- Low noise output of 35µVrms, suitable for sensitive applications.
Applications
The LM4040CEM3-2.5 is widely used in various industries due to its precision and reliability. In automotive electronics, it is employed in sensor calibration and power management systems. In industrial automation, it is used in control systems and instrumentation. Consumer electronics applications include portable devices and audio equipment, where stable voltage references are essential for optimal performance. Its small size and low power consumption make it ideal for battery-powered devices and compact designs.
Q & A
1. What is the output voltage of the LM4040CEM3-2.5?
The output voltage is 2.5V.
2. What is the accuracy of this component?
The accuracy is ±0.5%.
3. What is the temperature coefficient of the LM4040CEM3-2.5?
The temperature coefficient is 100ppm/°C.
4. What is the maximum output current?
The maximum output current is 15mA.
5. What is the cathode current?
The cathode current is 65µA.
6. What is the noise level of this component?
The noise level is 35µVrms.
7. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
8. What package does the LM4040CEM3-2.5 come in?
It comes in a SOT-23 package.
9. What are the dimensions of the component?
The dimensions are 2.92mm x 1.30mm.
10. What industries is this component suitable for?
It is suitable for automotive, industrial automation, and consumer electronics industries.
