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LM4128CMFX-2.5/NOPB

LM4128CMFX-2.5/NOPB

Product Overview

Category

LM4128CMFX-2.5/NOPB belongs to the category of voltage references.

Use

It is commonly 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

LM4128CMFX-2.5/NOPB is available in a small SOT-23 package.

Essence

The essence of LM4128CMFX-2.5/NOPB lies in its ability to provide a precise and stable voltage reference for accurate circuit operation.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 200mV
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.7V to 12V
  • Quiescent Current: 120µA

Detailed Pin Configuration

The LM4128CMFX-2.5/NOPB has three pins:

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

Functional Features

  • Precise and stable output voltage.
  • Low power consumption.
  • Excellent line and load regulation.
  • Fast response time.
  • Low output noise.

Advantages and Disadvantages

Advantages

  • High accuracy and stability ensure reliable 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

LM4128CMFX-2.5/NOPB utilizes a bandgap reference circuit to generate a stable voltage reference. It compensates for temperature variations and provides a precise output voltage regardless of changes in input voltage or load conditions.

Detailed Application Field Plans

The LM4128CMFX-2.5/NOPB finds applications in various fields, including:

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

Its high accuracy and stability make it suitable for applications that require precise voltage references.

Detailed and Complete Alternative Models

Some alternative models to LM4128CMFX-2.5/NOPB include:

  1. LT6654: Precision voltage reference with lower initial accuracy but wider temperature range.
  2. MAX6190: Low-power voltage reference with similar accuracy and temperature coefficient.
  3. REF5025: High-precision voltage reference with lower dropout voltage.

These alternatives offer different trade-offs in terms of specifications and features, allowing designers to choose the most suitable option for their specific requirements.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM4128CMFX-2.5/NOPB trong giải pháp kỹ thuật

  1. What is the LM4128CMFX-2.5/NOPB?
    The LM4128CMFX-2.5/NOPB is a precision voltage reference with a 2.5V output voltage.

  2. What are the typical applications of LM4128CMFX-2.5/NOPB?
    It is commonly used in precision analog circuits, data acquisition systems, and industrial control systems.

  3. What is the operating temperature range of LM4128CMFX-2.5/NOPB?
    The LM4128CMFX-2.5/NOPB operates over a temperature range of -40°C to 125°C.

  4. Can LM4128CMFX-2.5/NOPB be used in battery-powered devices?
    Yes, it has low power consumption and can be used in battery-powered applications.

  5. What is the output voltage tolerance of LM4128CMFX-2.5/NOPB?
    The output voltage tolerance is typically ±0.2%.

  6. Is LM4128CMFX-2.5/NOPB suitable for high-precision measurements?
    Yes, it is designed for high-precision applications requiring stable voltage references.

  7. Can LM4128CMFX-2.5/NOPB be used in automotive electronics?
    Yes, it is suitable for automotive applications due to its wide temperature range and stability.

  8. What is the supply voltage range for LM4128CMFX-2.5/NOPB?
    The supply voltage range is 3V to 12V.

  9. Does LM4128CMFX-2.5/NOPB require external components for operation?
    It requires only a small bypass capacitor for stable operation.

  10. Is LM4128CMFX-2.5/NOPB available in different package options?
    Yes, it is available in various package options including SOT-23 and SC70.