LM4040CIZ-5.0

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Small package size

Package: TO-92, SOT-23, SOIC-8

Essence: The LM4040CIZ-5.0 is a precision voltage reference IC that provides a stable and accurate 5.0V output voltage.

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

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 100 ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Pin Configuration

The LM4040CIZ-5.0 has three pins:

1. Vout: Output pin, connected to the load.
2. GND: Ground pin, connected to the system ground.
3. Vin: Input pin, connected to the power supply.

Functional Features

• High precision: The LM4040CIZ-5.0 offers a high initial accuracy of ±0.1% and a low temperature coefficient of 100 ppm/°C, ensuring precise voltage regulation.
• Low dropout voltage: With a typical dropout voltage of only 60mV, the IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Wide operating temperature range: The LM4040CIZ-5.0 can function reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environments.
• Low quiescent current: The IC has a low quiescent current of 60µA, minimizing power consumption.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options (only 5.0V)

Working Principles

The LM4040CIZ-5.0 utilizes bandgap reference technology to generate a stable 5.0V output voltage. It compares the voltage across a precision resistor with a temperature-compensated voltage reference, maintaining a constant output voltage regardless of variations in input voltage or temperature.

Detailed Application Field Plans

The LM4040CIZ-5.0 is commonly used in various applications that require a precise and stable 5.0V reference voltage. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision instrumentation
5. Battery-powered devices
6. Sensor calibration
7. Test and measurement equipment

Detailed and Complete Alternative Models

1. LM4040AIM3-5.0/NOPB
2. LT1004CZ-5.0
3. MAX6190AESA+
4. REF5025AIDGKT
5. ADR4550BRZ

These alternative models offer similar functionality and performance to the LM4040CIZ-5.0 and can be considered as substitutes based on specific requirements.

In conclusion, the LM4040CIZ-5.0 is a precision voltage reference IC that provides a stable and accurate 5.0V output voltage. With its high accuracy, low dropout voltage, and wide operating temperature range, it is widely used in various applications requiring precise voltage regulation.