LM4040CEM3-2.0/NOPB

Product Overview

The LM4040CEM3-2.0/NOPB belongs to the category of precision voltage references and is commonly used in various electronic applications. This device offers exceptional characteristics, comes in a small package, and provides precise voltage regulation, making it an essential component in many electronic circuits.

Basic Information

• Category: Precision Voltage Reference
• Use: Provides stable and accurate voltage reference for electronic circuits
• Characteristics: High precision, low temperature coefficient, small form factor
• Package: SOT-23-3
• Essence: Precision voltage regulation
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to 125°C
• Supply Voltage Range: 200mV to 10V
• Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040CEM3-2.0/NOPB features a standard SOT-23-3 package with the following pin configuration: 1. VOUT 2. NC (No Connection) 3. GND

Functional Features

• Precise Voltage Regulation: The LM4040CEM3-2.0/NOPB provides a stable and accurate output voltage of 2.048V, ensuring reliable performance in electronic circuits.
• Low Temperature Coefficient: With a low temperature coefficient of 20ppm/°C, this voltage reference maintains its accuracy across a wide temperature range.
• Low Quiescent Current: The device operates with a quiescent current of only 60µA, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

• High Precision: Offers ±0.1% initial accuracy, ensuring precise voltage regulation.
• Small Form Factor: The SOT-23-3 package allows for space-efficient integration into compact electronic designs.
• Low Power Consumption: With a quiescent current of 60µA, it is suitable for power-sensitive applications.

Disadvantages

• Limited Output Voltage Options: The LM4040CEM3-2.0/NOPB is specifically designed for 2.048V output, limiting its versatility in applications requiring different reference voltages.

Working Principles

The LM4040CEM3-2.0/NOPB operates based on the bandgap reference principle, utilizing a temperature-compensated bandgap core to generate a stable and accurate reference voltage. This ensures that the output voltage remains consistent across varying operating conditions.

Detailed Application Field Plans

The LM4040CEM3-2.0/NOPB finds extensive use in the following application fields: - Precision Instrumentation: Used as a voltage reference in precision measurement equipment such as multimeters and data acquisition systems. - Analog Signal Conditioning: Employed in analog signal processing circuits to maintain accurate voltage levels for signal conditioning and amplification. - Battery-Powered Devices: Integrated into portable electronics and battery-powered devices to ensure stable voltage supply for critical components.

Detailed and Complete Alternative Models

For applications requiring alternative voltage reference options, the following models can be considered: - LM4041: Offers adjustable output voltage options, providing flexibility for diverse circuit requirements. - LTZ1000: Known for its exceptional long-term stability and low noise characteristics, suitable for high-precision applications. - ADR4520: Provides a wide input voltage range and low dropout voltage, ideal for demanding industrial and automotive applications.

In conclusion, the LM4040CEM3-2.0/NOPB precision voltage reference serves as a crucial component in electronic circuits, offering high precision, low power consumption, and stable voltage regulation. Its compact form factor and functional features make it well-suited for a wide range of applications, from precision instrumentation to portable electronics.

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