LM4040C25ILPE3

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 LM4040C25ILPE3 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 LM4040C25ILPE3 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: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C25ILPE3 has three pins:

1. VOUT: Output pin, connected to the load or circuit requiring a stable reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the power supply voltage.

Functional Features

• High Precision: The LM4040C25ILPE3 provides a highly accurate output voltage with an initial accuracy of ±0.1%.
• Low Dropout Voltage: It has a low dropout voltage of only 60mV, ensuring efficient operation even with low input voltages.
• Low Quiescent Current: The IC consumes only 60µA of quiescent current, making it suitable for low-power applications.
• Wide Operating Temperature Range: It can operate in a temperature range of -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 consumption - Wide operating temperature range

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

Working Principles

The LM4040C25ILPE3 is based on the bandgap reference principle. It utilizes a precision temperature-compensated bandgap core to generate a stable reference voltage. The internal circuitry ensures that the output voltage remains constant over a wide range of operating conditions.

Detailed Application Field Plans

The LM4040C25ILPE3 finds applications in various electronic systems where a precise reference voltage is required. 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

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: Similar specifications and package as LM4040C25ILPE3, but with an initial accuracy of ±0.2%.
2. LT1004CZ-2.5#PBF: Precision voltage reference IC with an output voltage of 2.5V and an initial accuracy of ±0.8%.

These alternative models provide different levels of accuracy and may have slightly different characteristics, but they serve similar purposes as the LM4040C25ILPE3.

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