Overview
The LM4040CIM3X-3.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for applications requiring stable and accurate voltage references in compact form factors. It is part of the LM4040 series, known for its high precision and low power consumption. The device is housed in a SOT-23-3 package, making it suitable for space-constrained designs. Its primary market positioning targets industries such as industrial automation, consumer electronics, and automotive systems, where reliable voltage references are critical. The LM4040CIM3X-3.0/NOPB stands out for its low temperature coefficient, high initial accuracy, and ease of integration, making it a competitive choice in its category.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3 | V | Fixed |
| Initial Accuracy | ±0.5 | % | At 25°C |
| Temperature Coefficient | 100 | ppm/°C | |
| Shunt Current (Max) | 15 | mA | |
| Shunt Current (Min) | 60 | µA | |
| Operating Temperature | -40 to +85 | °C | |
| Package | SOT-23-3 | TO-236AB | |
| Height | 0.93 | mm | |
| Length | 2.92 | mm | |
| Width | 1.3 | mm |
Key Features
- High precision with an initial accuracy of ±0.5%.
- Low temperature coefficient of 100 ppm/°C for stable performance across a wide temperature range.
- Compact SOT-23-3 package, ideal for space-constrained applications.
- Low power consumption with a minimum shunt current of 60 µA.
- No external stabilizing capacitor required, simplifying design integration.
Applications
The LM4040CIM3X-3.0/NOPB is widely used in applications requiring precise voltage references. Its key application areas include:
- Industrial Automation: Used in control systems and sensors for accurate voltage regulation.
- Consumer Electronics: Integrated into portable devices and battery-powered systems for stable voltage references.
- Automotive Electronics: Employed in automotive control units and infotainment systems for reliable performance under varying conditions.
- Test and Measurement Equipment: Provides precise voltage references for calibration and measurement tools.
Q & A
1. What is the output voltage of the LM4040CIM3X-3.0/NOPB?
The output voltage is fixed at 3 V.
2. What is the temperature coefficient of this device?
The temperature coefficient is 100 ppm/°C.
3. What is the maximum shunt current supported?
The maximum shunt current is 15 mA.
4. What is the operating temperature range?
The device operates within a temperature range of -40°C to +85°C.
5. Does the LM4040CIM3X-3.0/NOPB require an external capacitor?
No, it does not require an external stabilizing capacitor.
6. What is the package type of this component?
It is housed in a SOT-23-3 package.
7. What is the initial accuracy of the voltage reference?
The initial accuracy is ±0.5% at 25°C.
8. What is the minimum shunt current required for operation?
The minimum shunt current is 60 µA.
9. Is this device suitable for automotive applications?
Yes, it is suitable for automotive electronics due to its stable performance and wide operating temperature range.
10. Can this component be used in battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered and portable devices.
