Bild kan vara representation.
Se specifikationer för produktinformation.
LM4128DMFX-2.0

LM4128DMFX-2.0

Product Overview

Category

LM4128DMFX-2.0 belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

  • High accuracy and stability
  • Low temperature coefficient
  • Low dropout voltage
  • Wide operating temperature range

Package

LM4128DMFX-2.0 is available in a small SOT-23 package.

Essence

The essence of LM4128DMFX-2.0 lies in its ability to provide a precise and stable voltage reference, ensuring accurate performance of electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

  • Output Voltage: 2.0V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 200mV (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.7V to 12V

Detailed Pin Configuration

LM4128DMFX-2.0 has three pins:

  1. VOUT: Output voltage pin
  2. GND: Ground pin
  3. VIN: Input voltage pin

Functional Features

  • Precise and stable output voltage
  • Low power consumption
  • Fast start-up time
  • Excellent line and load regulation
  • Low output noise

Advantages and Disadvantages

Advantages

  • High accuracy and stability ensure reliable circuit performance.
  • Low dropout voltage minimizes power dissipation.
  • Wide operating temperature range allows for versatile applications.
  • Small package size enables space-saving designs.

Disadvantages

  • Limited output voltage options.
  • Relatively higher cost compared to some alternatives.

Working Principles

LM4128DMFX-2.0 utilizes bandgap reference technology to generate a precise voltage reference. It compensates for temperature variations and provides a stable output voltage, even in challenging operating conditions.

Detailed Application Field Plans

LM4128DMFX-2.0 finds applications in various fields, including:

  1. Precision measurement instruments
  2. Data acquisition systems
  3. Industrial control systems
  4. Portable electronic devices
  5. Battery-powered equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for LM4128DMFX-2.0 are:

  1. LM4040
  2. LT6656
  3. REF5025
  4. MAX6190
  5. ADR4550

These models offer similar functionality and performance characteristics, providing flexibility in choosing the most suitable voltage reference for specific applications.

In conclusion, LM4128DMFX-2.0 is a precision voltage reference with high accuracy, stability, and low dropout voltage. Its small package size and wide operating temperature range make it suitable for various electronic circuits. However, it has limited output voltage options and a relatively higher cost compared to some alternatives. Nonetheless, its excellent performance and reliability make it a popular choice in precision measurement and control systems, as well as portable electronic devices.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4128DMFX-2.0 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LM4128DMFX-2.0 in technical solutions:

  1. Q: What is LM4128DMFX-2.0? A: LM4128DMFX-2.0 is a voltage reference IC that provides a stable and accurate voltage output of 2.0V.

  2. Q: What are the typical applications of LM4128DMFX-2.0? A: LM4128DMFX-2.0 is commonly used in precision analog circuits, data converters, power management systems, and other applications requiring a stable voltage reference.

  3. Q: What is the voltage accuracy of LM4128DMFX-2.0? A: The voltage accuracy of LM4128DMFX-2.0 is typically ±0.5%.

  4. Q: What is the temperature coefficient of LM4128DMFX-2.0? A: The temperature coefficient of LM4128DMFX-2.0 is typically 50 ppm/°C.

  5. Q: What is the operating temperature range of LM4128DMFX-2.0? A: LM4128DMFX-2.0 can operate within a temperature range of -40°C to +125°C.

  6. Q: Can LM4128DMFX-2.0 be used in battery-powered applications? A: Yes, LM4128DMFX-2.0 is suitable for battery-powered applications as it has low quiescent current consumption.

  7. Q: Does LM4128DMFX-2.0 require an external capacitor for stability? A: Yes, LM4128DMFX-2.0 requires an external 1µF ceramic capacitor for stability.

  8. Q: What is the output current capability of LM4128DMFX-2.0? A: The output current capability of LM4128DMFX-2.0 is typically 10 mA.

  9. Q: Can LM4128DMFX-2.0 be used in high-precision measurement systems? A: Yes, LM4128DMFX-2.0 is suitable for high-precision measurement systems due to its low voltage noise and excellent long-term stability.

  10. Q: Is LM4128DMFX-2.0 available in different package options? A: Yes, LM4128DMFX-2.0 is available in a SOT-23 package, which is small and suitable for space-constrained applications.

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