LM4040AIZ-2.5

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: TO-92, SOT-23, SOIC

Essence: The LM4040AIZ-2.5 is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V.

Packaging/Quantity: Available in tape and reel packaging with various quantities depending on the package type.

Specifications

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

Pin Configuration

The LM4040AIZ-2.5 has three pins:

1. VOUT: Output pin, connected to the load.
2. GND: Ground pin, connected to the common ground.
3. VIN: Input pin, connected to the input voltage source.

Functional Features

• High precision: The LM4040AIZ-2.5 provides a highly accurate and stable output voltage, making it suitable for applications requiring precise voltage references.
• Low dropout voltage: With a low dropout voltage, this IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The LM4040AIZ-2.5 consumes minimal current during operation, resulting in lower power consumption and extended battery life.
• Wide operating temperature range: It can operate reliably in a wide range of temperatures, 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 LM4040AIZ-2.5 is based on a bandgap reference circuit that generates a stable voltage reference using temperature-dependent properties of semiconductor materials. It utilizes a precision voltage divider and an error amplifier to maintain a constant output voltage regardless of changes in input voltage or temperature.

Detailed Application Field Plans

The LM4040AIZ-2.5 finds applications in various fields, including:

1. Precision measurement equipment
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery-powered devices
6. Automotive electronics
7. Medical instruments

Detailed and Complete Alternative Models

Some alternative models to the LM4040AIZ-2.5 include:

1. LM385: A series of precision voltage references with different output voltages.
2. LT1021: Ultra-high precision voltage reference ICs with low temperature drift.
3. REF50xx: Voltage reference ICs with low noise and high accuracy.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the LM4040AIZ-2.5 is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V. With its high accuracy, low dropout voltage, and low quiescent current, it is suitable for a wide range of applications in various industries.