LM4040A25IDCKR

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: High precision, low dropout voltage, small package size
Package: SC-70 (SOT-323), 3-pin
Essence: LM4040A25IDCKR is a precision voltage reference IC that provides a stable and accurate output voltage.
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Output Voltage: 2.5V
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 LM4040A25IDCKR has three pins:

VOUT: Output pin, connected to the load.
GND: Ground pin, connected to the circuit ground.
VIN: Input pin, connected to the supply voltage.

Functional Features

High Precision: The LM4040A25IDCKR offers an initial accuracy of ±0.1%, ensuring precise voltage references.
Low Dropout Voltage: With a low quiescent current of 60µA, this IC minimizes power consumption and reduces voltage drop across the device.
Small Package Size: The SC-70 package allows for space-efficient integration into various electronic systems.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Wide operating temperature range - Small package size

Disadvantages: - Limited output voltage options - Requires external components for specific applications

Working Principles

The LM4040A25IDCKR operates based on the bandgap reference principle. It utilizes a temperature-dependent voltage across a diode junction to generate a stable output voltage. This voltage is then compared to an internal reference, resulting in a precise and stable output.

Detailed Application Field Plans

The LM4040A25IDCKR finds applications in various fields, including:

Precision Instrumentation: Provides accurate voltage references for measurement devices, ensuring reliable and precise readings.
Industrial Control Systems: Used as a stable voltage reference in control systems to maintain consistent performance.
Portable Electronics: Enables precise voltage regulation in battery-powered devices, enhancing overall system efficiency.
Automotive Electronics: Ensures stable voltage references in automotive applications, improving reliability and performance.

Detailed and Complete Alternative Models

LM4040A10IDCKR: 1.0V output voltage, similar specifications and features.
LM4040A50IDCKR: 5.0V output voltage, similar specifications and features.
LM4040A30IDCKR: 3.0V output voltage, similar specifications and features.
LM4040A20IDCKR: 2.0V output voltage, similar specifications and features.

These alternative models offer different output voltages while maintaining comparable characteristics and functionality to the LM4040A25IDCKR.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4040A25IDCKR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM4040A25IDCKR:

Q: What is LM4040A25IDCKR? A: LM4040A25IDCKR is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V.
Q: What is the typical application of LM4040A25IDCKR? A: LM4040A25IDCKR is commonly used as a voltage reference in various technical solutions, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and power management circuits.
Q: What is the voltage accuracy of LM4040A25IDCKR? A: The voltage accuracy of LM4040A25IDCKR is typically ±0.1% at room temperature.
Q: What is the operating temperature range of LM4040A25IDCKR? A: LM4040A25IDCKR can operate within a temperature range of -40°C to +85°C.
Q: Can LM4040A25IDCKR be used in battery-powered applications? A: Yes, LM4040A25IDCKR is suitable for battery-powered applications as it has low quiescent current consumption.
Q: Does LM4040A25IDCKR require an external capacitor? A: Yes, LM4040A25IDCKR requires an external capacitor for stability. A 0.1µF ceramic capacitor is recommended.
Q: Can LM4040A25IDCKR withstand high input voltages? A: No, LM4040A25IDCKR has a maximum input voltage rating of 6V. Exceeding this voltage may damage the device.
Q: Is LM4040A25IDCKR available in different package options? A: Yes, LM4040A25IDCKR is available in a SOT-23 package, which is a small surface-mount package.
Q: Can LM4040A25IDCKR be used in precision measurement applications? A: Yes, LM4040A25IDCKR is suitable for precision measurement applications due to its low temperature coefficient and excellent long-term stability.
Q: Are there any specific precautions to consider when using LM4040A25IDCKR? A: It is important to follow the recommended operating conditions, such as input voltage limits and capacitor selection, to ensure proper performance and reliability of LM4040A25IDCKR.