Texas Instruments

LM4140BCMX-1.0

LM4140BCMX-1.0 Description

The LM4140BCMX-1.0 is a precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 1.024V with an exceptional tolerance of ±0.1%. This device is engineered to provide high accuracy and stability in a wide range of electronic applications. It operates within an input voltage range of 1.8V to 5.5V, ensuring compatibility with various power supply configurations. The LM4140BCMX-1.0 is suitable for surface mount applications, packaged in a Tape & Reel (TR) format, and features a low supply current of 375µA, making it energy-efficient.

LM4140BCMX-1.0 Features

• High Accuracy and Stability: With a tolerance of ±0.1% and a temperature coefficient of 6ppm/°C, the LM4140BCMX-1.0 ensures precise voltage reference over a wide operating temperature range of 0°C to 70°C.
• Low Power Consumption: The device draws only 375µA of supply current, making it ideal for applications where power efficiency is critical.
• Wide Input Voltage Range: The LM4140BCMX-1.0 operates within an input voltage range of 1.8V to 5.5V, providing flexibility in power supply design.
• Surface Mount Compatibility: Packaged in a Tape & Reel (TR) format, the LM4140BCMX-1.0 is designed for surface mount applications, facilitating easy integration into modern PCB designs.
• Series Reference Type: As a series reference, the LM4140BCMX-1.0 provides a stable output voltage by regulating the input voltage, ensuring consistent performance.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the LM4140BCMX-1.0 is suitable for environments with varying humidity levels, enhancing its reliability and durability.

LM4140BCMX-1.0 Applications

The LM4140BCMX-1.0 is ideal for applications requiring high-precision voltage references, such as:

• Analog-to-Digital Converters (ADCs): Ensuring accurate conversion by providing a stable reference voltage.
• Digital-to-Analog Converters (DACs): Maintaining precision in output voltage levels.
• Precision Measurement Equipment: Enhancing the accuracy of measurements in laboratory and industrial settings.
• Power Management Systems: Offering reliable voltage references for power supply regulation.
• Medical Devices: Providing stable voltage references for critical medical equipment.

Conclusion of LM4140BCMX-1.0

The LM4140BCMX-1.0 from Texas Instruments stands out as a high-performance voltage reference IC, delivering exceptional accuracy and stability with low power consumption. Its wide input voltage range and surface mount compatibility make it a versatile choice for a variety of applications. Despite being marked as obsolete, the LM4140BCMX-1.0 remains a reliable option for designers seeking precision in their electronic systems.