LM4040B20IDCKR

Product Overview

Use

It is commonly used as a stable reference voltage source in various electronic circuits and systems.

Characteristics

High accuracy
Low temperature coefficient
Small package size
Low power consumption

Package

The LM4040B20IDCKR is available in a small SOT-23 package.

Essence

This precision voltage reference provides a stable and accurate voltage output for use in analog and digital circuits.

Packaging/Quantity

The LM4040B20IDCKR is typically sold in reels containing a specific quantity, such as 2500 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: 4.5V to 10V
Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040B20IDCKR has three pins: 1. VOUT: Output voltage pin 2. NC: No connect pin 3. VIN: Input voltage pin

Functional Features

Precision voltage reference
Low dropout voltage
Stable output over temperature and time

Advantages

High accuracy and stability
Small package size
Low power consumption
Wide operating temperature range

Disadvantages

Limited output voltage options
Requires external decoupling capacitors for optimal performance

Working Principles

The LM4040B20IDCKR operates based on the bandgap reference principle, providing a stable output voltage that is independent of variations in supply voltage and temperature.

Detailed Application Field Plans

The LM4040B20IDCKR is widely used in applications requiring a stable voltage reference, including: - Analog-to-digital converters - Digital-to-analog converters - Voltage regulators - Battery management systems - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the LM4040B20IDCKR include: - LM385 - LT1021 - REF02

In conclusion, the LM4040B20IDCKR is a precision voltage reference with high accuracy, low temperature coefficient, and small package size, making it suitable for a wide range of electronic applications requiring a stable voltage reference.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של LM4040B20IDCKR בפתרונות טכניים

What is the LM4040B20IDCKR?
- The LM4040B20IDCKR is a precision voltage reference diode that provides a stable 2.048V output voltage.
What are the typical applications of the LM4040B20IDCKR?
- It is commonly used as a voltage reference in analog circuits, data converters, power supplies, and other precision measurement equipment.
What is the operating temperature range of the LM4040B20IDCKR?
- The LM4040B20IDCKR can operate within a temperature range of -40°C to 125°C, making it suitable for a wide range of environments.
How accurate is the output voltage of the LM4040B20IDCKR?
- The LM4040B20IDCKR has a typical initial accuracy of ±0.5%, providing a reliable and precise voltage reference.
Can the LM4040B20IDCKR be used in battery-powered applications?
- Yes, the LM4040B20IDCKR has low quiescent current and is suitable for battery-powered devices where power efficiency is crucial.
Does the LM4040B20IDCKR require external components for operation?
- No, the LM4040B20IDCKR is a standalone voltage reference and does not require any external components for basic operation.
What is the maximum output current the LM4040B20IDCKR can supply?
- The LM4040B20IDCKR can typically supply up to 15mA of output current, making it suitable for driving small loads.
Is the LM4040B20IDCKR available in a surface-mount package?
- Yes, the LM4040B20IDCKR is available in a SOT-23 package, which is suitable for surface-mount applications.
Can the LM4040B20IDCKR tolerate reverse voltage at its output?
- No, the LM4040B20IDCKR should not be subjected to reverse voltage at its output to prevent damage.
Are there any specific layout considerations when using the LM4040B20IDCKR?
- It is recommended to keep the LM4040B20IDCKR close to the load and decouple it with a capacitor to ensure stability and noise immunity in the circuit.