LM4040C25ILP

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Low quiescent current

Package: SOT-23-3

Essence: The LM4040C25ILP is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where a precise reference voltage is required.

Packaging/Quantity: The LM4040C25ILP is available in a small SOT-23-3 package, which contains one IC per package.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 100ppm/°C
• Quiescent Current: 60µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C25ILP has three pins:

1. VOUT: Output pin, provides the stable reference voltage of 2.5V.
2. GND: Ground pin, connected to the circuit's ground.
3. VIN: Input pin, connected to the power supply voltage.

Functional Features

• High Precision: The LM4040C25ILP offers a high initial accuracy of ±0.1%, ensuring precise voltage references in various applications.
• Low Dropout Voltage: With a low dropout voltage of 200mV, the IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The quiescent current of only 60µA minimizes power consumption, making it suitable for battery-powered devices.
• Wide Operating Temperature Range: The LM4040C25ILP can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environments.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low quiescent current - Wide operating temperature range

Disadvantages: - Limited output voltage options (only 2.5V)

Working Principles

The LM4040C25ILP utilizes bandgap reference technology to generate a stable and accurate output voltage. It compares the voltage across a precision resistor with a temperature-compensated voltage reference, maintaining a constant voltage drop across the resistor. This results in a precise output voltage of 2.5V.

Detailed Application Field Plans

The LM4040C25ILP is widely used in various electronic applications that require a stable and accurate voltage reference. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement equipment
5. Sensor calibration circuits
6. Battery management systems

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: Similar to LM4040C25ILP, but available in a SOT-23 package.
2. LT1461ACS8-2.5#PBF: Precision voltage reference IC with an output voltage of 2.5V, available in an SOIC-8 package.
3. MAX6126AASA25+: Ultra-low noise voltage reference IC with an output voltage of 2.5V, available in an SOIC-8 package.

These alternative models offer similar functionality and characteristics to the LM4040C25ILP, providing options for different package preferences or specific requirements.

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