Diodes Incorporated
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LM4040B25FTA
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LM4040B25FTA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: High precision, low dropout voltage, small package size
  • Package: SOT-23-3
  • Essence: Provides a stable voltage reference for various electronic applications
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 100ppm/°C
  • Dropout Voltage: 200mV
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 60μA

Pin Configuration

The LM4040B25FTA has three pins in the SOT-23-3 package:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. VIN: Input Voltage

Functional Features

  • High precision voltage reference with low initial accuracy and temperature coefficient
  • Low dropout voltage allows for efficient operation even with low input voltages
  • Small package size enables space-saving designs
  • Wide operating temperature range suitable for various environments
  • Low quiescent current minimizes power consumption

Advantages

  • Provides a stable and accurate voltage reference for precise circuit operation
  • Compact package size allows for integration into space-constrained designs
  • Wide operating temperature range ensures reliable performance in different conditions
  • Low dropout voltage enables efficient power utilization
  • Low quiescent current reduces overall power consumption

Disadvantages

  • Limited output voltage options (only 2.5V in this case)
  • Not suitable for applications requiring higher output voltages

Working Principles

The LM4040B25FTA is based on bandgap reference technology. It utilizes a temperature-compensated bandgap core to generate a stable voltage reference. The internal circuitry ensures accurate output voltage even with variations in temperature and input voltage.

Detailed Application Field Plans

The LM4040B25FTA is commonly used in various electronic applications, including:

  1. Precision analog circuits
  2. Data converters (ADCs, DACs)
  3. Voltage regulators
  4. Battery-powered devices
  5. Portable consumer electronics
  6. Industrial control systems

Detailed and Complete Alternative Models

  • LM4040A25FTA: 2.5V voltage reference with higher initial accuracy
  • LM4040C25FTA: 2.5V voltage reference with lower initial accuracy but wider temperature range
  • LM4040D25FTA: 2.5V voltage reference with lower dropout voltage

These alternative models provide different trade-offs in terms of initial accuracy, temperature coefficient, and dropout voltage, allowing designers to choose the most suitable option for their specific application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM4040B25FTA dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LM4040B25FTA in technical solutions:

  1. Question: What is LM4040B25FTA?
    Answer: LM4040B25FTA is a precision voltage reference IC that provides a stable and accurate voltage output of 2.5V.

  2. Question: What is the typical application of LM4040B25FTA?
    Answer: LM4040B25FTA 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.

  3. Question: What is the voltage accuracy of LM4040B25FTA?
    Answer: The voltage accuracy of LM4040B25FTA is typically ±0.1%.

  4. Question: What is the temperature coefficient of LM4040B25FTA?
    Answer: The temperature coefficient of LM4040B25FTA is typically 50 ppm/°C.

  5. Question: What is the maximum operating current of LM4040B25FTA?
    Answer: The maximum operating current of LM4040B25FTA is 15 mA.

  6. Question: Can LM4040B25FTA be used in low-power applications?
    Answer: Yes, LM4040B25FTA is designed for low-power applications and has a low quiescent current consumption.

  7. Question: Is LM4040B25FTA suitable for battery-powered devices?
    Answer: Yes, LM4040B25FTA is an ideal choice for battery-powered devices due to its low power consumption and stable voltage output.

  8. Question: Does LM4040B25FTA require external components for operation?
    Answer: No, LM4040B25FTA is a standalone voltage reference and does not require any external components.

  9. Question: What is the package type of LM4040B25FTA?
    Answer: LM4040B25FTA is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

  10. Question: Can LM4040B25FTA operate over a wide temperature range?
    Answer: Yes, LM4040B25FTA can operate reliably over a temperature range of -40°C to +85°C.

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