Texas Instruments

LM4140ACM-2.0

LM4140ACM-2.0 Description

The LM4140ACM-2.0 is a precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.048V with an exceptional tolerance of ±0.1%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a surface-mount package, specifically an 8SOIC. It operates within a temperature range of 0°C to 70°C (TA) and features a low supply current of 375µA, making it highly efficient for a wide range of applications. The LM4140ACM-2.0 is characterized by its low temperature coefficient of 3ppm/°C, ensuring stable performance across varying temperatures. It supports an input voltage range of 1.8V to 5.5V and can deliver an output current of up to 8mA. Despite its obsolescence, the LM4140ACM-2.0 remains a reliable choice for applications requiring precise voltage references.

LM4140ACM-2.0 Features

• High Precision: The LM4140ACM-2.0 offers a tight tolerance of ±0.1%, ensuring highly accurate voltage references.
• Low Temperature Coefficient: With a temperature coefficient of 3ppm/°C, the device maintains stable performance across its operating temperature range.
• Low Supply Current: Consuming only 375µA, the LM4140ACM-2.0 is highly efficient, making it suitable for low-power applications.
• Wide Input Voltage Range: The device operates from 1.8V to 5.5V, providing flexibility in power supply requirements.
• High Output Current: Capable of delivering up to 8mA, the LM4140ACM-2.0 can support a variety of load conditions.
• Surface-Mount Packaging: The 8SOIC package ensures ease of integration into compact designs.
• Moisture Sensitivity Level 1: The LM4140ACM-2.0 is suitable for a wide range of environmental conditions, with no special handling required.

LM4140ACM-2.0 Applications

The LM4140ACM-2.0 is ideal for applications requiring precise voltage references, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels.
• Precision Measurement Equipment: Enhances the accuracy of measurements.
• Power Management Circuits: Acts as a reliable reference for voltage regulation and monitoring.
• Battery Management Systems: Ensures accurate voltage monitoring and control.
• Medical Devices: Critical for precise measurements in diagnostic and monitoring equipment.

Conclusion of LM4140ACM-2.0

The LM4140ACM-2.0 from Texas Instruments is a robust and precise voltage reference IC, offering high accuracy and stability. Its low temperature coefficient and supply current make it an efficient choice for a variety of applications, particularly those requiring high precision and reliability. Despite its obsolescence, the LM4140ACM-2.0 remains a viable option for engineers seeking a dependable voltage reference solution.