LM4040C25IDCKT

Product 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: SC-70 (SOT-323)

Essence: The LM4040C25IDCKT 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 LM4040C25IDCKT is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The LM4040C25IDCKT has three pins:

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

Functional Features

• High precision: The LM4040C25IDCKT offers a high initial accuracy of ±0.1%, ensuring precise voltage references in various applications.
• Low dropout voltage: With a low dropout voltage of only 60mV, this IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Wide operating temperature range: The LM4040C25IDCKT can operate reliably in a temperature range from -40°C to +85°C, making it suitable for both industrial and consumer applications.
• Low quiescent current: With a typical quiescent current of only 60µA, this IC minimizes power consumption in battery-powered devices.

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 2.5V)

Working Principles

The LM4040C25IDCKT 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 that remains stable over temperature variations.

Detailed Application Field Plans

The LM4040C25IDCKT is widely used in various electronic systems and applications, including:

1. Precision analog circuits: Provides a stable voltage reference for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and operational amplifiers (op-amps).
2. Power management: Used as a voltage reference in voltage regulators, power supplies, and battery charging circuits.
3. Sensor calibration: Ensures accurate measurements in sensors such as temperature sensors, pressure sensors, and gas sensors.
4. Test and measurement equipment: Used as a reference voltage source in multimeters, oscilloscopes, and signal generators.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: Similar to LM4040C25IDCKT, but available in a SOT-23 package.
2. LT1461ACS8-2.5#PBF: Precision voltage reference with a 2.5V output, available in an SO-8 package.
3. MAX6126AASA25+: Ultra-low noise voltage reference with a 2.5V output, available in an SOIC-8 package.

These alternative models offer similar functionality and characteristics to the LM4040C25IDCKT, providing options for different package sizes and additional features.

In conclusion, the LM4040C25IDCKT is a precision voltage reference IC that offers high accuracy, stability, and a low dropout voltage. It finds applications in various electronic systems where a precise voltage reference is essential. With its small package size and wide operating temperature range, it is a reliable choice for many design requirements.