LM4040B30IDCKRG4

Product Overview

Category: Integrated Circuit
Use: Voltage Reference
Characteristics: High Precision, Low Dropout, Low Noise
Package: SC-70 (SOT-323), Tape and Reel
Essence: LM4040B30IDCKRG4 is a precision voltage reference designed to provide a stable and accurate output voltage of 3.0V.
Packaging/Quantity: Available in reels of 3000 units.

Specifications

Output Voltage: 3.0V ± 0.1%
Temperature Coefficient: 100 ppm/°C (typical)
Operating Temperature Range: -40°C to +85°C
Input Voltage Range: 4.5V to 20V
Quiescent Current: 60 µA (typical)
Dropout Voltage: 200 mV (typical)

Pin Configuration

The LM4040B30IDCKRG4 package has three pins:

VOUT: Output Voltage Pin
GND: Ground Pin
VIN: Input Voltage Pin

Functional Features

High precision voltage reference with low temperature coefficient.
Low dropout voltage allows for operation in low input voltage applications.
Low quiescent current minimizes power consumption.
Excellent line and load regulation characteristics.
Stable output voltage over a wide range of operating conditions.

Advantages and Disadvantages

Advantages: - High precision and accuracy. - Low noise output. - Wide operating temperature range. - Small package size for space-constrained applications. - Low power consumption.

Disadvantages: - Limited output voltage options. - Sensitive to input voltage fluctuations. - Not suitable for high current applications.

Working Principles

The LM4040B30IDCKRG4 is based on a bandgap voltage reference circuit. It utilizes temperature-compensated diodes to generate a stable reference voltage. The output voltage is regulated by an internal amplifier that compares the reference voltage with an internal feedback voltage. This feedback loop ensures a constant and accurate output voltage.

Detailed Application Field Plans

The LM4040B30IDCKRG4 is commonly used in various applications, including:

Precision analog-to-digital converters (ADCs)
Digital-to-analog converters (DACs)
Voltage regulators
Battery-powered devices
Portable electronic devices
Industrial control systems
Test and measurement equipment

Detailed and Complete Alternative Models

LM4040A30IDCKRG4: 3.0V precision voltage reference in the same package.
LM4040C30IDCKRG4: 3.0V precision voltage reference with improved temperature coefficient.
LM4040D30IDCKRG4: 3.0V precision voltage reference with lower dropout voltage.

These alternative models offer similar functionality and characteristics, providing flexibility for different design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4040B30IDCKRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM4040B30IDCKRG4 in technical solutions:

Q: What is LM4040B30IDCKRG4? A: LM4040B30IDCKRG4 is a precision voltage reference IC that provides a stable and accurate output voltage of 3.0V.
Q: What is the typical application of LM4040B30IDCKRG4? A: LM4040B30IDCKRG4 is commonly used as a voltage reference in various electronic circuits, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and voltage regulators.
Q: What is the voltage accuracy of LM4040B30IDCKRG4? A: The voltage accuracy of LM4040B30IDCKRG4 is typically ±0.1% at room temperature.
Q: What is the operating temperature range of LM4040B30IDCKRG4? A: LM4040B30IDCKRG4 can operate within a temperature range of -40°C to +85°C.
Q: Can LM4040B30IDCKRG4 be used in battery-powered applications? A: Yes, LM4040B30IDCKRG4 is suitable for battery-powered applications due to its low quiescent current consumption.
Q: How much current can LM4040B30IDCKRG4 source or sink? A: LM4040B30IDCKRG4 can source or sink up to 15mA of current.
Q: Does LM4040B30IDCKRG4 require an external capacitor for stability? A: No, LM4040B30IDCKRG4 does not require an external capacitor for stability. It is internally compensated.
Q: Can LM4040B30IDCKRG4 tolerate reverse voltage? A: No, LM4040B30IDCKRG4 is not designed to tolerate reverse voltage. Reverse voltage should be avoided to prevent damage.
Q: Is LM4040B30IDCKRG4 available in different package options? A: Yes, LM4040B30IDCKRG4 is available in various package options, such as SOT-23 and SC70.
Q: What is the typical output impedance of LM4040B30IDCKRG4? A: The typical output impedance of LM4040B30IDCKRG4 is very low, typically around 0.3Ω, making it suitable for precision applications.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.