LM4040EEM3-2.5/NOPB

Product Overview

Category

The LM4040EEM3-2.5/NOPB belongs to the category of precision voltage references.

Use

It is commonly used as a stable reference voltage source in various electronic circuits and systems.

Characteristics

• Precision output voltage of 2.5V
• Low temperature coefficient
• High initial accuracy
• Small SOT-23 package
• Low dynamic impedance

Package

The LM4040EEM3-2.5/NOPB is available in a small SOT-23 package, making it suitable for space-constrained applications.

Essence

This product serves as a reliable and stable voltage reference for precise analog circuitry and sensor interfacing.

Packaging/Quantity

It is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to 85°C
• Dynamic Impedance: 0.3Ω

Detailed Pin Configuration

The LM4040EEM3-2.5/NOPB features a standard SOT-23 pin configuration with three pins: 1. VOUT (Output) 2. NC (No Connection) 3. GND (Ground)

Functional Features

• Precise and stable output voltage
• Low temperature coefficient for consistent performance across varying temperatures
• Small form factor for space-constrained designs
• Low dynamic impedance for minimal voltage variation under load changes

Advantages

• High initial accuracy ensures reliable voltage reference
• Low temperature coefficient maintains stability across temperature variations
• Small package size enables integration into compact designs
• Low dynamic impedance ensures minimal voltage deviation under varying loads

Disadvantages

• Limited output voltage options
• Sensitive to external noise and interference due to its precision nature

Working Principles

The LM4040EEM3-2.5/NOPB operates based on the bandgap reference principle, providing a stable and accurate output voltage regardless of variations in input voltage or load conditions.

Detailed Application Field Plans

This precision voltage reference finds extensive use in: - Analog-to-digital converters - Data acquisition systems - Sensor interfaces - Battery management systems - Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the LM4040EEM3-2.5/NOPB include: - LM385 - LT1021 - REF02

In conclusion, the LM4040EEM3-2.5/NOPB precision voltage reference offers a reliable and stable voltage source for various electronic applications, particularly those requiring precise analog circuitry and sensor interfacing. Its small form factor, low temperature coefficient, and high initial accuracy make it a preferred choice for designers aiming for consistent and reliable performance in their circuits. While it has limitations in terms of output voltage options and susceptibility to external noise, its advantages outweigh these drawbacks, making it a popular choice in the industry.

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