Texas Instruments

LM4040BIZ-8.2

LM4040BIZ-8.2 Description

The LM4040BIZ-8.2 is a precision shunt voltage reference from Texas Instruments, designed to provide a highly accurate and stable reference voltage for a variety of power management applications. This device features a fixed output voltage of 8.192V with a tolerance of ±0.2%, ensuring precise voltage regulation. It is capable of delivering an output current of up to 15 mA, making it suitable for applications requiring moderate power delivery. The LM4040BIZ-8.2 also boasts a low temperature coefficient of 100ppm/°C, which minimizes voltage drift over varying temperature conditions, thereby enhancing the stability and reliability of the reference voltage.

LM4040BIZ-8.2 Features

• Fixed Output Voltage: The LM4040BIZ-8.2 offers a fixed output voltage of 8.192V, providing a stable reference for precision applications.
• High Accuracy: With a tolerance of ±0.2%, this voltage reference ensures high accuracy, making it ideal for applications where precision is critical.
• Low Temperature Coefficient: A temperature coefficient of 100ppm/°C ensures minimal voltage drift over temperature variations, enhancing stability.
• Low Noise: The device exhibits low noise levels of 130µVrms from 10Hz to 10kHz, contributing to cleaner and more reliable voltage references.
• High Output Current Capability: Capable of delivering up to 15 mA, the LM4040BIZ-8.2 can support applications requiring moderate power delivery.
• Shunt Reference Type: As a shunt reference, it can be easily integrated into various power management circuits.
• Compliance and Safety: The LM4040BIZ-8.2 is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments.
• Through Hole Mounting: The through-hole mounting type facilitates easy integration into PCB designs.

LM4040BIZ-8.2 Applications

The LM4040BIZ-8.2 is well-suited for a variety of applications where a stable and precise voltage reference is required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog-to-digital conversion.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for digital-to-analog conversion.
• Power Supplies: Acts as a reference for voltage regulation in power supply circuits.
• Battery Management Systems: Offers a stable reference for accurate voltage monitoring and control.
• Instrumentation: Used in precision measurement equipment to ensure accurate readings.

Conclusion of LM4040BIZ-8.2

The LM4040BIZ-8.2 from Texas Instruments is a robust and precise shunt voltage reference that offers high accuracy, low noise, and a low temperature coefficient. Its ability to deliver up to 15 mA of output current makes it suitable for a range of power management applications. Despite being marked as obsolete, the LM4040BIZ-8.2 remains a reliable choice for engineers and designers seeking a stable and precise voltage reference in their power management circuits. Its compliance with environmental and safety standards further enhances its appeal for modern electronics applications.