LM4140BCMX-1.2/NOPB

Introduction

The LM4140BCMX-1.2/NOPB is a voltage reference product that belongs to the category of precision shunt voltage references. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Precision Shunt Voltage Reference
• Use: Provides a stable and accurate voltage reference for various electronic circuits and systems.
• Characteristics: High precision, low temperature coefficient, and low output noise.
• Package: SOT-23 (3) package type.
• Essence: The LM4140BCMX-1.2/NOPB is designed to deliver a precise voltage reference for applications requiring high accuracy.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient (Typ): 50ppm/°C
• Operating Temperature Range: -40°C to 125°C
• Supply Voltage Range: 2.7V to 30V
• Quiescent Current: 120µA

Detailed Pin Configuration

The LM4140BCMX-1.2/NOPB has three pins: 1. V+ (Pin 1): Input voltage terminal. 2. V- (Pin 2): Ground terminal. 3. Vout (Pin 3): Output voltage terminal.

Functional Features

• High Precision: The LM4140BCMX-1.2/NOPB offers high initial accuracy and low temperature coefficient, ensuring precise voltage references.
• Low Noise: It provides a stable output voltage with minimal noise, making it suitable for noise-sensitive applications.
• Wide Operating Temperature Range: With an operating temperature range of -40°C to 125°C, it can function effectively in various environmental conditions.

Advantages and Disadvantages

Advantages

• High precision and stability.
• Low temperature coefficient.
• Wide operating temperature range.

Disadvantages

• Relatively higher quiescent current compared to some other voltage references.
• Limited output voltage options.

Working Principles

The LM4140BCMX-1.2/NOPB operates based on the principle of shunt voltage references, where a stable voltage is generated by utilizing a precision resistor and a semiconductor device to produce a constant output voltage regardless of variations in input voltage or load conditions.

Detailed Application Field Plans

The LM4140BCMX-1.2/NOPB is well-suited for the following applications: - Precision analog circuits - Data acquisition systems - Portable instrumentation - Battery management systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LM4140BCMX-1.2/NOPB include: - LM4040AIM3-1.2/NOPB - LT1461ACS8-1.2#PBF - MAX6126AASA25+

In conclusion, the LM4140BCMX-1.2/NOPB is a precision shunt voltage reference offering high accuracy, stability, and low noise, making it an ideal choice for various electronic applications requiring precise voltage references.

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