LM4040C20ILPE3

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 LM4040C20ILPE3 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 voltage reference is required.

Packaging/Quantity: The LM4040C20ILPE3 is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C20ILPE3 has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• Precise Output Voltage: The LM4040C20ILPE3 provides a highly accurate and stable output voltage of 2.048V.
• Low Dropout Voltage: With a dropout voltage of only 60mV, the IC can operate with a small input-output voltage difference.
• High Accuracy and Stability: The initial accuracy of ±0.1% ensures reliable performance over a wide range of operating conditions.
• Low Quiescent Current: The IC consumes only 60µA of quiescent current, making it suitable for low-power applications.
• Wide Operating Temperature Range: The LM4040C20ILPE3 can operate in temperatures ranging 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 2.048V)

Working Principles

The LM4040C20ILPE3 is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes temperature-compensated components to ensure accurate output voltage even with temperature variations. The IC operates by comparing the reference voltage with an external resistor network to provide a precise output voltage.

Detailed Application Field Plans

The LM4040C20ILPE3 is widely used in various electronic applications, including:

1. Precision Analog Circuits: It serves as a reliable voltage reference for analog-to-digital converters, digital-to-analog converters, and other precision measurement circuits.
2. Power Management Systems: The IC is used in power management systems to provide a stable voltage reference for voltage regulators and power supplies.
3. Sensor Calibration: It is employed in sensor calibration circuits where precise voltage references are required for accurate sensor measurements.
4. Test and Measurement Equipment: The LM4040C20ILPE3 finds application in test and measurement equipment, ensuring accurate and stable voltage references for precise measurements.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: This model provides a 2.5V output voltage with similar characteristics to the LM4040C20ILPE3.
2. LT1461AIS8-2.5#PBF: An alternative option with a 2.5V output voltage and high accuracy.
3. MAX6126AASA25+: This model offers a 2.5V output voltage and low dropout voltage.

These alternative models can be considered based on specific application requirements and availability.

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