Overview
The LM4040CIM3X-2.0/NOPB is a precision voltage reference IC manufactured by National Semiconductor. This product is part of the LM4040 series, known for its high accuracy and stability. Designed for applications requiring precise voltage references, it is available in a compact SOT-23 package, making it suitable for space-constrained designs. The LM4040CIM3X-2.0/NOPB is particularly aimed at industries such as industrial automation, consumer electronics, and automotive electronics, where reliable voltage references are critical. Its unique selling points include low output noise, excellent temperature stability, and low power consumption, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.0 | V | Fixed |
| Initial Accuracy | ±0.1 | % | Max |
| Temperature Coefficient | 100 | ppm/°C | Typical |
| Operating Current | 60 to 15 | µA to mA | Wide range |
| Output Noise | 35 | µVRMS | Typical |
| Package | SOT-23 | - | 3-pin |
| Operating Temperature Range | -40 to 125 | °C | Industrial |
| Load Regulation | 0.2 | mV/mA | Typical |
| Line Regulation | 0.3 | mV/V | Typical |
| Long-Term Stability | 20 | ppm/1000hr | Typical |
Key Features
- High Precision: Offers an initial accuracy of ±0.1%, ensuring reliable voltage references.
- Low Noise: Features a low output noise of 35 µVRMS, ideal for sensitive applications.
- Wide Operating Current Range: Supports a wide current range from 60 µA to 15 mA, providing flexibility in design.
- Compact Package: Available in a SOT-23 package, suitable for space-constrained applications.
- Temperature Stability: Excellent temperature coefficient of 100 ppm/°C, ensuring stable performance across varying temperatures.
Applications
The LM4040CIM3X-2.0/NOPB is widely used in applications requiring precise voltage references. In industrial automation, it ensures accurate sensor readings and stable control systems. In consumer electronics, it provides reliable voltage references for portable devices and audio equipment. In automotive electronics, it supports critical functions such as engine control units and infotainment systems. Additionally, it is suitable for medical devices and test and measurement equipment, where precision and stability are paramount.
Q & A
1. What is the output voltage of the LM4040CIM3X-2.0/NOPB?
The output voltage is fixed at 2.0 V.
2. What is the initial accuracy of this voltage reference?
The initial accuracy is ±0.1%.
3. What is the temperature coefficient of the LM4040CIM3X-2.0/NOPB?
The temperature coefficient is typically 100 ppm/°C.
4. What is the operating current range?
The operating current ranges from 60 µA to 15 mA.
5. What is the output noise level?
The output noise is typically 35 µVRMS.
6. What package does this IC come in?
It is available in a 3-pin SOT-23 package.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. What is the load regulation of this device?
The load regulation is typically 0.2 mV/mA.
9. What is the line regulation?
The line regulation is typically 0.3 mV/V.
10. What is the long-term stability of the LM4040CIM3X-2.0/NOPB?
The long-term stability is typically 20 ppm/1000 hours.
