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LM4040CELT-2.0
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LM4040CELT-2.0 Description
LM4040CELT-2.0 Description
The LM4040CELT-2.0 is a precision micro-power shunt voltage reference from STMicroelectronics, designed to provide a highly accurate and stable reference voltage in a wide range of applications. This device features a fixed output voltage of 2.048V with a tolerance of ±0.5%, ensuring precise voltage regulation. The LM4040CELT-2.0 operates with a maximum cathode current of 12 mA and an output current of 15 mA, making it suitable for low-power applications. Its temperature coefficient of 70ppm/°C ensures minimal drift over varying temperatures, while the low noise level of 95µVrms from 10Hz to 10kHz guarantees clean voltage output. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. The LM4040CELT-2.0 is available in a surface-mount package, specifically in tape & reel (TR) format, with a moisture sensitivity level (MSL) of 1 (unlimited), making it ideal for automated assembly processes.
LM4040CELT-2.0 Features
- Precision Voltage Reference: The LM4040CELT-2.0 provides a highly accurate fixed output voltage of 2.048V with a tight tolerance of ±0.5%, ensuring reliable performance in precision applications.
- Low Temperature Coefficient: With a temperature coefficient of 70ppm/°C, the LM4040CELT-2.0 maintains stability across a wide temperature range, minimizing voltage drift and ensuring consistent performance.
- Low Noise Performance: The device exhibits low noise levels of 95µVrms from 10Hz to 10kHz, which is crucial for applications requiring high signal integrity and minimal interference.
- Micro-power Operation: The LM4040CELT-2.0 is designed for low-power consumption, with a maximum cathode current of 12 mA and an output current of 15 mA, making it suitable for battery-powered and energy-efficient systems.
- Environmental Compliance: The LM4040CELT-2.0 is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental regulations and standards.
- Surface-Mount Packaging: Available in a surface-mount package with tape & reel (TR) format, the LM4040CELT-2.0 is ideal for automated assembly processes and high-density PCB designs.
- Unlimited Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device can be stored and handled without the need for special moisture protection, simplifying manufacturing processes.
LM4040CELT-2.0 Applications
The LM4040CELT-2.0 is ideal for a variety of applications where precision voltage references are required. Some specific use cases include:
- Analog-to-Digital Converters (ADCs): The low noise and high accuracy of the LM4040CELT-2.0 make it an excellent reference for ADCs, ensuring precise and reliable conversion.
- Digital-to-Analog Converters (DACs): The stable reference voltage helps maintain accuracy in DACs, providing consistent output signals.
- Power Management Circuits: The LM4040CELT-2.0 can be used in power management integrated circuits (PMICs) to provide a stable reference for voltage regulation and monitoring.
- Battery Management Systems (BMS): The low power consumption and stable reference voltage are beneficial for battery management systems, ensuring accurate voltage monitoring and control.
- Medical Devices: The precision and stability of the LM4040CELT-2.0 are crucial for medical devices that require high accuracy and reliability.
- Industrial Control Systems: The device's robustness and accuracy make it suitable for industrial control systems where precise voltage references are essential for accurate measurements and control.
Conclusion of LM4040CELT-2.0
The LM4040CELT-2.0 from STMicroelectronics is a versatile and high-performance precision micro-power shunt voltage reference. Its combination of low noise, low temperature coefficient, and high accuracy makes it an ideal choice for a wide range of precision applications. The device's environmental compliance and surface-mount packaging further enhance its suitability for modern electronics manufacturing. Whether used in ADCs, DACs, power management circuits, or other precision applications, the LM4040CELT-2.0 delivers reliable performance and stability, making it a standout choice in the market.



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