LM4040C82ILP

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: LP (SOT-23), 3-pin package

Essence: LM4040C82ILP is a precision voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 8.2V
• 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 LM4040C82ILP has three pins:

1. VOUT: Output pin, provides the stable 8.2V reference voltage.
2. GND: Ground pin, connected to the system ground.
3. VIN: Input pin, connected to the input voltage source.

Functional Features

• Precise Voltage Reference: The LM4040C82ILP provides a highly accurate and stable 8.2V reference voltage, making it suitable for applications requiring precise voltage references.
• 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.
• Low Quiescent Current: The LM4040C82ILP has a low quiescent current of 60µA, minimizing power consumption and extending battery life in portable devices.
• Wide Operating Temperature Range: It can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options (only 8.2V)

Working Principles

The LM4040C82ILP utilizes bandgap reference technology to generate a precise and stable voltage reference. It uses a combination of resistors, diodes, and amplifiers to create a voltage that remains constant despite changes in temperature and input voltage.

Detailed Application Field Plans

The LM4040C82ILP is commonly used in applications that require a stable and accurate voltage reference, such as: - Analog-to-Digital Converters (ADCs) - Digital-to-Analog Converters (DACs) - Voltage regulators - Precision measurement equipment - Sensor calibration circuits

Detailed and Complete Alternative Models

1. LM4040AIM3-8.2/NOPB: Similar to LM4040C82ILP, but available in the SOT-23 package.
2. LT1461ACS8-8.2#PBF: Precision voltage reference with an output voltage of 8.2V, available in the SOIC-8 package.
3. MAX6126AASA82+: Ultra-low noise voltage reference with an output voltage of 8.2V, available in the SOIC-8 package.

These alternative models offer similar functionality and characteristics to the LM4040C82ILP, providing options for different package preferences or specific application requirements.

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