Overview
The LM4041QCEM3-1.2NO is a precision micropower shunt voltage reference manufactured by Texas Instruments. Designed for applications requiring high accuracy and stability, this component is part of the LM4041-N-Q1 series, which is tailored for automotive and industrial environments. Its compact SOT-23-3 package makes it ideal for space-constrained designs. The device offers a fixed output voltage of 1.225 V with excellent initial accuracy and low temperature coefficient, making it suitable for precision power supplies, portable instruments, and battery-powered devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Voltage Reference | - | - |
| Reference Type | Shunt Precision References | - | - |
| Output Voltage | 1.225 | V | Fixed |
| Initial Accuracy | 0.1%, 0.2%, 0.5% | - | Selectable |
| Temperature Coefficient | 100 | PPM/°C | - |
| Maximum Input Voltage | 14 | mV | - |
| Operating Temperature Range | -40 to +125 | °C | - |
| Package | SOT-23-3 | - | - |
| Factory Pack Quantity | 1000 | - | Reel |
Key Features
- Precision shunt voltage reference with fixed output voltage of 1.225 V.
- Excellent initial accuracy options of 0.1%, 0.2%, and 0.5%.
- Low temperature coefficient of 100 PPM/°C ensures stability across a wide temperature range.
- Compact SOT-23-3 package suitable for space-constrained applications.
- Designed for automotive and industrial environments, ensuring reliability in harsh conditions.
Applications
The LM4041QCEM3-1.2NO is widely used in applications requiring precise voltage references. Typical use cases include:
- Portable Instruments: Provides stable voltage references for portable measurement devices.
- Battery-Powered Devices: Ensures accurate voltage regulation in low-power systems.
- Precision Power Supplies: Used as a reference for voltage regulation in high-accuracy power supplies.
- Automotive Electronics: Suitable for automotive systems due to its robust design and wide operating temperature range.
Q & A
1. What is the output voltage of the LM4041QCEM3-1.2NO?
The output voltage is fixed at 1.225 V.
2. What is the initial accuracy of this component?
It offers initial accuracy options of 0.1%, 0.2%, and 0.5%.
3. What is the temperature coefficient of the LM4041QCEM3-1.2NO?
The temperature coefficient is 100 PPM/°C.
4. What is the operating temperature range?
It operates from -40°C to +125°C.
5. What package does the LM4041QCEM3-1.2NO use?
It is available in a compact SOT-23-3 package.
6. Is this component suitable for automotive applications?
Yes, it is designed for automotive and industrial environments.
7. What is the maximum input voltage?
The maximum input voltage is 14 mV.
8. What is the factory pack quantity?
It is supplied in reels of 1000 units.
9. Does the LM4041QCEM3-1.2NO require an external capacitor?
No, it does not require an external capacitor for stability.
10. What are the typical applications of this component?
Typical applications include portable instruments, battery-powered devices, precision power supplies, and automotive electronics.
