The LM4040CEM3X-5.0 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 5.0V with a tolerance of ±0.5%. This device is ideal for applications requiring high precision and stability in voltage reference circuits. The LM4040CEM3X-5.0 features a low temperature coefficient of 100ppm/°C, ensuring minimal drift over a wide temperature range. It also boasts low noise performance, with a noise level of 80µVrms from 10Hz to 10kHz, making it suitable for sensitive analog circuits.
The LM4040CEM3X-5.0 is housed in a compact SOT23-3 package, making it ideal for space-constrained designs. It is designed for surface mount applications and is available in a tape and reel packaging format. The device operates with a cathode current of 83 µA and can handle an output current of up to 15 mA. The moisture sensitivity level (MSL) is rated at 1 (unlimited), indicating excellent resistance to moisture, which is crucial for reliable performance in various environmental conditions.
The LM4040CEM3X-5.0 is well-suited for a variety of applications that demand high precision and stability in voltage reference circuits. Some specific use cases include:
The LM4040CEM3X-5.0 from Texas Instruments is a high-performance shunt voltage reference IC that offers a combination of precision, stability, and low noise. Its compact SOT23-3 package and surface mount design make it ideal for modern electronic designs where space and reliability are paramount. The low temperature coefficient and low noise performance ensure consistent and accurate operation across a wide range of conditions. While the product is now obsolete, it remains a reliable choice for applications requiring a fixed 5.0V reference voltage with ±0.5% tolerance. For engineers and designers seeking a precision voltage reference, the LM4040CEM3X-5.0 provides a robust and efficient solution.
Download datasheets and manufacturer documentation for LM4040CEM3X-5.0