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LM4140ACMX-2.0/NOPB

LM4140ACMX-2.0/NOPB

Product Overview

Category

The LM4140ACMX-2.0/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

The LM4140ACMX-2.0/NOPB is available in a small surface-mount SOT-23 package.

Essence

This product provides a stable and accurate voltage reference, ensuring precise voltage levels in electronic circuits.

Packaging/Quantity

The LM4140ACMX-2.0/NOPB 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

Detailed Pin Configuration

The LM4140ACMX-2.0/NOPB has three pins:

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

Functional Features

  • High precision voltage reference
  • Low power consumption
  • Excellent line and load regulation
  • Fast start-up 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 (only 2.0V).
  • Higher cost compared to some other voltage references.

Working Principles

The LM4140ACMX-2.0/NOPB utilizes bandgap reference technology to generate a precise and stable output voltage. It compensates for temperature variations, ensuring consistent performance across a wide temperature range. The device operates by comparing the bandgap voltage with an internal feedback voltage, resulting in a highly accurate output voltage.

Detailed Application Field Plans

The LM4140ACMX-2.0/NOPB finds applications in various fields, including:

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

Detailed and Complete Alternative Models

  1. LM4040AIM3-2.0/NOPB: 2.0V precision shunt voltage reference
  2. LT1461AIS8-2.0#PBF: 2.0V micropower precision series voltage reference
  3. MAX6037CAUK25+T: 2.5V ultra-low-power voltage reference

These alternative models offer similar functionality and characteristics to the LM4140ACMX-2.0/NOPB, providing options for different design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4140ACMX-2.0/NOPB v technických řešeních

  1. What is the input voltage range for LM4140ACMX-2.0/NOPB?
    - The input voltage range for LM4140ACMX-2.0/NOPB is 2.7V to 18V.

  2. What is the output voltage of LM4140ACMX-2.0/NOPB?
    - The output voltage of LM4140ACMX-2.0/NOPB is fixed at 2.0V.

  3. Can LM4140ACMX-2.0/NOPB be used in battery-powered applications?
    - Yes, LM4140ACMX-2.0/NOPB can be used in battery-powered applications due to its low quiescent current.

  4. Is LM4140ACMX-2.0/NOPB suitable for automotive applications?
    - Yes, LM4140ACMX-2.0/NOPB is suitable for automotive applications as it can withstand automotive load dump conditions.

  5. What is the typical dropout voltage of LM4140ACMX-2.0/NOPB?
    - The typical dropout voltage of LM4140ACMX-2.0/NOPB is 300mV at 1A load.

  6. Can LM4140ACMX-2.0/NOPB be used in industrial control systems?
    - Yes, LM4140ACMX-2.0/NOPB is suitable for industrial control systems due to its wide input voltage range and high reliability.

  7. Does LM4140ACMX-2.0/NOPB require an external capacitor for stability?
    - Yes, LM4140ACMX-2.0/NOPB requires an external 10μF ceramic capacitor for stability.

  8. Is LM4140ACMX-2.0/NOPB available in a small package?
    - Yes, LM4140ACMX-2.0/NOPB is available in a small 5-pin SOT-23 package.

  9. Can LM4140ACMX-2.0/NOPB tolerate reverse battery voltage?
    - No, LM4140ACMX-2.0/NOPB cannot tolerate reverse battery voltage.

  10. What is the operating temperature range of LM4140ACMX-2.0/NOPB?
    - The operating temperature range of LM4140ACMX-2.0/NOPB is -40°C to 125°C.