Texas Instruments

LM4040CEM3-2.5

LM4040CEM3-2.5 Description

The LM4040CEM3-2.5 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.5V with a tolerance of ±0.5%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for surface mount applications. The LM4040CEM3-2.5 is known for its high accuracy and stability, with a temperature coefficient of 100ppm/°C and low noise levels of 35µVrms over the 10Hz to 10kHz frequency range. It supports a maximum output current of 15 mA and a cathode current of 68 µA. The product is REACH affected, ROHS3 compliant, and has a moisture sensitivity level (MSL) of 1 (unlimited). It is available in a tape and reel (TR) package format.

LM4040CEM3-2.5 Features

• High Accuracy and Stability: The LM4040CEM3-2.5 provides a fixed output voltage of 2.5V with a tight tolerance of ±0.5%, ensuring precise voltage reference in various applications.
• Low Temperature Coefficient: With a temperature coefficient of 100ppm/°C, the device maintains stable performance across a wide temperature range, making it suitable for environments with varying thermal conditions.
• Low Noise Performance: The IC exhibits low noise levels of 35µVrms from 10Hz to 10kHz, which is crucial for applications requiring high signal integrity and minimal noise interference.
• High Output Current Capability: The LM4040CEM3-2.5 can support up to 15 mA of output current, making it suitable for applications that require higher current loads.
• Compact Surface Mount Package: Housed in a SOT23-3 package, the device is ideal for space-constrained designs and surface mount technology (SMT) applications.
• Compliance and Reliability: The product is REACH affected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1 (unlimited), making it highly reliable in various manufacturing processes.

LM4040CEM3-2.5 Applications

The LM4040CEM3-2.5 is ideal for a wide range of applications that require a precise and stable voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate digital conversions.
• Digital-to-Analog Converters (DACs): Offers a precise reference for DACs, enhancing the accuracy of analog signal generation.
• Power Supply Circuits: Acts as a reference in voltage regulators and power supply circuits, maintaining stable output voltages.
• Instrumentation and Measurement Equipment: Ensures high precision in measurement devices, contributing to accurate readings.
• Consumer Electronics: Used in devices where precise voltage regulation is necessary, such as smartphones, tablets, and other portable electronics.

Conclusion of LM4040CEM3-2.5

The LM4040CEM3-2.5 from Texas Instruments is a high-performance shunt voltage reference IC that stands out due to its precision, stability, and low noise characteristics. Its compact SOT23-3 package and surface mount compatibility make it suitable for a variety of applications, particularly those with space constraints. The device's compliance with environmental and regulatory standards ensures it can be used in modern manufacturing processes without concerns. Overall, the LM4040CEM3-2.5 is an excellent choice for applications requiring a reliable and accurate voltage reference.