The LM4040CIM-2.5 is a precision shunt voltage reference manufactured by Texas Instruments (formerly National Semiconductor). This device provides a stable and accurate 2.5V reference voltage, used in various electronic circuits for precise voltage regulation and measurement.

Applications

• Precision Voltage Regulation: Providing a stable reference voltage for regulators.
• Analog-to-Digital Converters (ADCs): Serving as a reference for accurate ADC conversions.
• Digital-to-Analog Converters (DACs): Providing a reference for DACs.
• Instrumentation: Used in precision measurement equipment.
• Power Supplies: Stabilizing the output voltage of power supplies.

Features

• Precise 2.5V Output: Provides a highly accurate 2.5V reference voltage.
• Low Temperature Coefficient: Maintains stable voltage output over a wide temperature range.
• Low Dynamic Impedance: Provides stable voltage under varying load conditions.
• Wide Operating Current Range: Operates with a broad range of cathode currents.
• Small Package: Available in compact surface mount packages.

Benefits

• Improved Accuracy: Enhances the accuracy of voltage regulation and measurement.
• Enhanced Stability: Provides stable voltage output under varying conditions.
• Simplified Design: Easy to use in a variety of applications.

Technical Specifications

The LM4040CIM-2.5 has a nominal output voltage of 2.5V with a typical initial accuracy of ±0.5% or better. The temperature coefficient is low, ensuring stability over temperature. The dynamic impedance is also low, providing stable performance under changing load conditions. The operating cathode current range is a critical parameter. Consult Texas Instruments' datasheet for detailed specifications, including accuracy, temperature coefficient, dynamic impedance, and operating current range. The CIM likely refers to the package type (e.g., SOIC).