LM4040C41ILPR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, small package size
• Package: SOT-23-3
• Essence: LM4040C41ILPR is a precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Voltage Output: 4.096V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA

Pin Configuration

The LM4040C41ILPR has three pins arranged as follows:

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| | --| VOUT |-- --| GND |-- --| VIN |-- |_______| ```

Functional Features

• Provides a precise and stable voltage reference for use in analog and digital circuits.
• Low dropout voltage ensures minimal power loss.
• Excellent initial accuracy and temperature coefficient ensure high precision over a wide range of operating conditions.
• Low quiescent current makes it suitable for battery-powered applications.
• Short-circuit protection prevents damage to the device in case of accidental shorting.

Advantages

• High precision and stability ensure accurate voltage references in critical applications.
• Small package size allows for space-saving designs.
• Wide operating temperature range enables usage in various environmental conditions.
• Low dropout voltage minimizes power dissipation.
• Short-circuit protection enhances reliability.

Disadvantages

• Limited voltage output options.
• Higher cost compared to some other voltage reference ICs.
• Sensitivity to external noise and interference.

Working Principles

The LM4040C41ILPR utilizes a bandgap voltage reference circuit to generate a stable and accurate voltage output. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. These components work together to maintain a constant voltage output despite changes in temperature and supply voltage.

Detailed Application Field Plans

• Precision analog-to-digital converters (ADCs)
• Digital-to-analog converters (DACs)
• Voltage regulators
• Battery management systems
• Industrial control systems
• Test and measurement equipment

Detailed and Complete Alternative Models

1. LT6654: Precision Voltage Reference, 4.096V, SOT-23-3 package.
2. MAX6190: Low-Power Voltage Reference, 4.096V, SOT-23 package.
3. REF3030: Micropower Voltage Reference, 4.096V, SOT-23-3 package.
4. ADR4550: Ultralow Noise Voltage Reference, 4.096V, SOT-23-3 package.

These alternative models offer similar voltage outputs and package sizes, providing alternatives based on specific requirements and preferences.

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