Texas Instruments

LM4140CCM-1.2

LM4140CCM-1.2 Description

The LM4140CCM-1.2 is a precision voltage reference IC from Texas Instruments, designed for applications requiring high accuracy and reliability. This device features a fixed output voltage of 1.25V with a tolerance of ±0.1%, ensuring precise voltage regulation. It operates within an input voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply configurations. The LM4140CCM-1.2 is housed in a surface-mount package, specifically an 8SOIC, which facilitates easy integration into compact designs. With a temperature coefficient of 10ppm/°C, it maintains stable performance across its operating temperature range of 0°C to 70°C. The device draws a supply current of 375µA and can provide an output current of up to 8mA, making it efficient for low-power applications. Although the LM4140CCM-1.2 is now obsolete, its robust design and high precision make it a reliable choice for legacy systems and specific applications where its unique features are required.

LM4140CCM-1.2 Features

• High Precision: The LM4140CCM-1.2 offers a tight tolerance of ±0.1%, ensuring highly accurate voltage references.
• Wide Operating Range: It operates within an input voltage range of 1.8V to 5.5V, providing flexibility in power supply design.
• Low Temperature Coefficient: With a temperature coefficient of 10ppm/°C, it maintains stable performance across its operating temperature range of 0°C to 70°C.
• Efficient Power Usage: The device draws a low supply current of 375µA and can provide an output current of up to 8mA, making it suitable for low-power applications.
• Surface-Mount Packaging: The 8SOIC package facilitates easy integration into compact designs, enhancing board space efficiency.
• Series Reference Type: As a series reference, it provides a stable output voltage that is independent of input voltage variations.
• Compliance and Status: The LM4140CCM-1.2 is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

LM4140CCM-1.2 Applications

The LM4140CCM-1.2 is ideal for applications requiring high-precision voltage references, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog signal conversion.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels for digital signal processing.
• Power Management Circuits: Offers a reliable reference for voltage regulation and monitoring.
• Precision Measurement Equipment: Enhances the accuracy of measurement devices by providing a stable reference voltage.
• Battery Management Systems: Ensures accurate voltage monitoring and control for battery health and safety.

Conclusion of LM4140CCM-1.2

The LM4140CCM-1.2 from Texas Instruments is a high-precision voltage reference IC that offers exceptional performance and reliability. Its ±0.1% tolerance and low temperature coefficient make it suitable for applications requiring high accuracy and stability. The device's low supply current and efficient power usage further enhance its appeal for low-power designs. Although now obsolete, the LM4140CCM-1.2 remains a valuable component for legacy systems and specific applications where its unique features are essential. Its robust design and compliance with international regulations ensure its continued relevance in the electronics industry.