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LM4040AELT-2.5
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LM4040AELT-2.5 Description
LM4040AELT-2.5 Description
The LM4040AELT-2.5 is a precision micro-power shunt voltage reference from STMicroelectronics, designed for applications requiring high accuracy and low power consumption. This device offers a fixed output voltage of 2.5V with a tolerance of ±0.1%, ensuring precise voltage regulation. It features a maximum output current of 15 mA, making it suitable for a wide range of power management applications. The LM4040AELT-2.5 also boasts a low temperature coefficient of 70ppm/°C, which minimizes voltage drift over varying temperatures, thereby maintaining accuracy across different environmental conditions.
The device is housed in a surface-mount package, specifically a Tape & Reel (TR) format, facilitating easy integration into compact and high-density PCB designs. Its low noise characteristic of 95µVrms over the frequency range of 10Hz to 10kHz ensures clean voltage reference, which is crucial for sensitive analog circuits. The LM4040AELT-2.5 is also compliant with stringent industry standards, including REACH and ROHS3, and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions without degradation.
LM4040AELT-2.5 Features
- Fixed Output Voltage: 2.5V with a tight tolerance of ±0.1%, ensuring high precision in voltage regulation.
- Low Temperature Coefficient: 70ppm/°C, which minimizes voltage drift and maintains accuracy over a wide temperature range.
- Low Noise: 95µVrms from 10Hz to 10kHz, providing a clean voltage reference for sensitive applications.
- High Output Current Capability: Up to 15 mA, suitable for various power management needs.
- Surface Mount Package: Tape & Reel (TR) format, ideal for compact and high-density PCB designs.
- Compliance: REACH Unaffected and ROHS3 Compliant, meeting environmental and regulatory standards.
- Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring robustness in various environmental conditions.
- Micro-power Consumption: With a cathode current of only 12 µA, it is highly efficient and suitable for battery-powered applications.
LM4040AELT-2.5 Applications
The LM4040AELT-2.5 is ideal for a variety of applications where precision voltage references are required. Some specific use cases include:
- Analog-to-Digital Converters (ADCs): Provides a stable and precise reference voltage, enhancing the accuracy of ADC conversions.
- Digital-to-Analog Converters (DACs): Ensures accurate output voltage levels, crucial for signal processing and control systems.
- Power Management Integrated Circuits (PMICs): Offers a reliable voltage reference for managing power in complex electronic systems.
- Battery Management Systems: Ensures accurate voltage monitoring and control, extending battery life and improving system reliability.
- Precision Measurement Equipment: Provides a stable reference for instruments requiring high accuracy and reliability.
- Medical Devices: Ensures precise voltage regulation in devices where accuracy is critical for patient safety and diagnostic accuracy.
Conclusion of LM4040AELT-2.5
The LM4040AELT-2.5 from STMicroelectronics stands out as a high-performance precision micro-power shunt voltage reference, offering a unique combination of accuracy, low noise, and robustness. Its fixed 2.5V output with a tight tolerance of ±0.1% and low temperature coefficient of 70ppm/°C make it an ideal choice for applications requiring high precision. The device's low noise characteristic of 95µVrms ensures clean voltage reference, which is essential for sensitive analog circuits. The LM4040AELT-2.5's surface-mount package and compliance with industry standards further enhance its suitability for modern electronic designs. Whether used in ADCs, DACs, PMICs, or other precision applications, the LM4040AELT-2.5 delivers reliable performance, making it a preferred choice for engineers and designers in the electronics industry.



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