Overview
The LM4040CEM3-2.5/NOPB is a precision voltage reference component manufactured by Texas Instruments. Designed for applications requiring stable and accurate voltage references, this model is part of the LM4040 series and is housed in a compact SOT-23 package. It is widely used in portable devices, data acquisition systems, and industrial applications due to its high precision and low power consumption. The LM4040CEM3-2.5/NOPB is particularly suitable for space-constrained designs and offers a fixed output voltage of 2.5V with an accuracy of ±0.5%.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.5 | V | Fixed |
| Accuracy | ±0.5 | % | - |
| Temperature Coefficient | 100 | ppm/°C | - |
| Output Current | 15 | mA | Maximum |
| Cathode Current | 65 | µA | - |
| Noise | 35 | µVrms | - |
| Operating Temperature | -40 to +85 | °C | - |
| Package | SOT-23 | - | 3-Pin |
| Dimensions | 2.92 x 1.30 x 1.12 | mm | L x W x H |
| Lead-Free | Yes | - | - |
Key Features
- Precision voltage reference with a fixed output of 2.5V.
- High accuracy of ±0.5% ensures reliable performance.
- Low temperature coefficient of 100ppm/°C for stable operation across temperature ranges.
- Compact SOT-23 package ideal for space-constrained designs.
- Low noise of 35µVrms for sensitive applications.
- Wide operating temperature range of -40°C to +85°C.
Applications
The LM4040CEM3-2.5/NOPB is widely used in various applications, including portable and battery-powered devices, data acquisition systems, industrial process control, and precision audio components. Its stable output voltage and low power consumption make it suitable for energy management systems and automotive electronics. Additionally, it is commonly used in product testing and instrumentation where accurate voltage references are critical.
Q & A
1. What is the output voltage of the LM4040CEM3-2.5/NOPB?
The output voltage is fixed at 2.5V.
2. What is the accuracy of this voltage reference?
The accuracy is ±0.5%.
3. What is the operating temperature range?
It operates from -40°C to +85°C.
4. What package does the LM4040CEM3-2.5/NOPB come in?
It is available in a 3-pin SOT-23 package.
5. Is this component lead-free?
Yes, it is lead-free.
6. What is the maximum output current?
The maximum output current is 15mA.
7. What is the noise level of this voltage reference?
The noise level is 35µVrms.
8. What is the temperature coefficient?
The temperature coefficient is 100ppm/°C.
9. Can this component be used in automotive applications?
Yes, it is suitable for automotive electronics.
10. What are the dimensions of the package?
The dimensions are 2.92mm x 1.30mm x 1.12mm (L x W x H).
