LM4040CIX3-2.1+T

Introduction

The LM4040CIX3-2.1+T is a precision voltage reference belonging to the LM4040 series of shunt voltage references manufactured by Texas Instruments. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Precision Voltage Reference
• Use: The LM4040CIX3-2.1+T is commonly used as a stable reference voltage source in various electronic circuits, such as analog-to-digital converters, power supplies, and instrumentation.
• Characteristics: It offers high accuracy, low temperature coefficient, and low dynamic impedance, making it suitable for precision applications.
• Package: SOT-23-3 package
• Essence: The essence of LM4040CIX3-2.1+T lies in providing a stable and accurate voltage reference for critical circuitry.
• Packaging/Quantity: Available in tape and reel packaging with varying quantities.

Specifications

• Output Voltage: 2.1V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C (typical)
• Operating Temperature Range: -40°C to 85°C
• Supply Current: 60µA (typical)

Detailed Pin Configuration

The LM4040CIX3-2.1+T features a standard SOT-23-3 pin configuration with the following pinout: 1. VOUT 2. NC (No Connection) 3. GND

Functional Features

• High Accuracy: The LM4040CIX3-2.1+T provides a precise output voltage with minimal deviation from the nominal value.
• Low Temperature Coefficient: Its output voltage remains relatively stable over a wide temperature range.
• Low Dynamic Impedance: This feature ensures that the reference voltage source can handle dynamic load changes effectively.

Advantages and Disadvantages

Advantages

• High precision and stability
• Low power consumption
• Small form factor
• Wide operating temperature range

Disadvantages

• Limited output voltage options
• Sensitive to external noise and interference

Working Principles

The LM4040CIX3-2.1+T operates based on the principle of utilizing a precision bandgap core to generate a stable reference voltage. It maintains this voltage across varying conditions, ensuring consistent performance in the connected circuitry.

Detailed Application Field Plans

The LM4040CIX3-2.1+T finds extensive use in the following applications: - Precision analog circuits - Battery management systems - Portable instrumentation - Sensor signal conditioning

Detailed and Complete Alternative Models

Some alternative models to the LM4040CIX3-2.1+T include: - LM4040CIM3-2.1/NOPB - LM4040DIM3-2.1/NOPB - LM4040DIZ-2.1/NOPB

In summary, the LM4040CIX3-2.1+T serves as a reliable precision voltage reference with high accuracy and stability, making it an essential component in various electronic systems.

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