Overview
The LM4041CECT-1.2, produced by STMicroelectronics, is a precision micropower shunt voltage reference. This component provides a stable 1.225 V output voltage with an initial accuracy of 0.1% at 25 °C and a low temperature coefficient. It is designed for applications where space and power efficiency are critical, making it suitable for a wide range of uses, including portable and industrial equipment.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Voltage | 1.225 | V |
| Initial Accuracy | ±0.1% @ 25 °C | |
| Temperature Coefficient | 100 ppm/°C (max) | |
| Operating Current | 40 μA @ 25 °C | |
| Operating Temperature Range | -40 to +125 °C | |
| Package | SOT323-5L | |
| Noise (10Hz to 10kHz) | 20 μVRMS | |
| Reverse Breakdown Voltage Stability | 120 ppm over 1000 hours @ 100 μA |
Key Features
- Fixed 1.225 V typical output voltage
- Ultra-low operating current: 40 μA at 25 °C
- High precision: ±0.1% @ 25 °C (other accuracy versions available)
- Stable with capacitive loads
- Industrial and extended temperature range versions available
- Available in SOT323-5L and SOT23-3L packages
- Low 20 μVRMS output noise (10Hz to 10kHz)
Applications
- Portable, battery-powered equipment
- Notebook computers
- Cell phones
- Industrial process controls
Q & A
- What is the typical output voltage of the LM4041CECT-1.2?
The typical output voltage is 1.225 V. - What is the initial accuracy of the LM4041CECT-1.2 at 25 °C?
The initial accuracy is ±0.1% at 25 °C. - What is the operating current of the LM4041CECT-1.2 at 25 °C?
The operating current is 40 μA at 25 °C. - What is the temperature coefficient of the LM4041CECT-1.2?
The temperature coefficient is 100 ppm/°C (max). - Is the LM4041CECT-1.2 stable with capacitive loads?
Yes, it is stable with any capacitive load. - What are the available package types for the LM4041CECT-1.2?
The available packages are SOT323-5L and SOT23-3L. - What is the operating temperature range of the LM4041CECT-1.2?
The operating temperature range is -40 to +125 °C. - What is the noise level of the LM4041CECT-1.2 over the 10Hz to 10kHz frequency range?
The noise level is 20 μVRMS. - What are some typical applications of the LM4041CECT-1.2?
Typical applications include portable, battery-powered equipment, notebook computers, cell phones, and industrial process controls. - Is the LM4041CECT-1.2 RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
