Texas Instruments

LM4040CIM3-8.2

LM4040CIM3-8.2 Description

The LM4040CIM3-8.2 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 8.192V with a tolerance of ±0.5%. This device is part of the LM4040 series, known for its high accuracy and stability. The LM4040CIM3-8.2 is housed in a compact SOT23-3 package, making it suitable for surface mount applications. Despite its small size, it can handle a maximum cathode current of 95 µA and an output current of 15 mA. The device features a low temperature coefficient of 100ppm/°C, ensuring stable performance across a wide temperature range. Additionally, it exhibits low noise levels, with a noise voltage of 130µVrms from 10Hz to 10kHz, which is crucial for applications requiring high precision. The LM4040CIM3-8.2 is REACH unaffected and ROHS3 compliant, making it suitable for environmentally conscious designs. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture, which enhances its reliability in various environmental conditions.

LM4040CIM3-8.2 Features

• Fixed Output Voltage: 8.192V with a tight tolerance of ±0.5%, ensuring precise voltage regulation.
• Low Temperature Coefficient: 100ppm/°C, providing stable performance across varying temperatures.
• Low Noise: 130µVrms from 10Hz to 10kHz, ideal for high-precision applications.
• High Output Current Capability: Supports up to 15 mA, suitable for driving multiple loads.
• Compact SOT23-3 Package: Ideal for space-constrained designs and surface mount applications.
• Environmental Compliance: REACH unaffected and ROHS3 compliant, suitable for environmentally friendly designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring reliability in various environmental conditions.

LM4040CIM3-8.2 Applications

The LM4040CIM3-8.2 is well-suited for a variety of applications that require precise voltage references. Its high accuracy and stability make it ideal for precision analog circuits, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels.
• Power Management Systems: Offers a reliable reference for voltage regulation and monitoring.
• Instrumentation and Measurement Equipment: Ensures accurate measurements by providing a stable reference voltage.
• Medical Devices: Suitable for applications requiring high precision and reliability.

Conclusion of LM4040CIM3-8.2

The LM4040CIM3-8.2 is a versatile and precise shunt voltage reference IC that offers high accuracy, low noise, and stability across a wide temperature range. Its compact SOT23-3 package and surface mount compatibility make it ideal for space-constrained applications. Despite being marked as obsolete, the LM4040CIM3-8.2 remains a reliable choice for precision analog circuits, ADCs, DACs, power management systems, instrumentation, and medical devices. Its environmental compliance and moisture sensitivity level further enhance its reliability and suitability for various applications.