Texas Instruments

LM4040AIM3X-2.0

LM4040AIM3X-2.0 Description

The LM4040AIM3X-2.0 is a precision shunt voltage reference from Texas Instruments, designed to provide a highly accurate and stable reference voltage for a variety of electronic applications. This device features a fixed output voltage of 2.048V with a tolerance of ±0.1%, ensuring precise voltage regulation. The LM4040AIM3X-2.0 is housed in a compact SOT23-3 package, making it suitable for surface-mount applications where space is a critical consideration.

LM4040AIM3X-2.0 Features

• Output Type: Fixed, providing a stable reference voltage without the need for external components.
• Output Voltage: 2.048V, with a tight tolerance of ±0.1%, ensuring high accuracy.
• Output Current: Capable of delivering up to 15 mA, making it suitable for applications requiring moderate current.
• Temperature Coefficient: Low at 100ppm/°C, ensuring minimal drift over a wide temperature range.
• Noise: Exceptionally low noise level of 35µVrms from 10Hz to 10kHz, contributing to high signal integrity.
• Mounting Type: Surface Mount, compatible with modern PCB assembly processes.
• Package: Tape & Reel (TR), facilitating automated assembly and handling.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for a wide range of environmental conditions.
• Compliance: REACH Unaffected, ensuring compliance with environmental regulations.
• Reference Type: Shunt, providing a stable reference voltage across a wide range of input voltages.

LM4040AIM3X-2.0 Applications

The LM4040AIM3X-2.0 is ideal for applications requiring a precise and stable voltage reference. 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 digital-to-analog conversion by offering a stable reference.
• Precision Measurement Equipment: Used in devices that require high accuracy and low noise for reliable measurements.
• Power Supply Circuits: Acts as a stable reference for voltage regulation in power supply designs.
• Medical Devices: Suitable for applications where high accuracy and reliability are critical, such as medical monitoring equipment.

Conclusion of LM4040AIM3X-2.0

The LM4040AIM3X-2.0 from Texas Instruments is a high-performance shunt voltage reference that offers exceptional accuracy and stability. Its low temperature coefficient and minimal noise make it an ideal choice for precision applications. Despite being marked as obsolete, the LM4040AIM3X-2.0 remains a reliable option for engineers seeking a compact, high-accuracy voltage reference. Its compatibility with surface-mount technology and compliance with environmental regulations further enhance its suitability for modern electronic designs.