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LM4040C20ILPR

LM4040C20ILPR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Low quiescent current

Package: SOT-23-3

Essence: The LM4040C20ILPR is a precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

  • Output Voltage: 2.048V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 100ppm/°C
  • Dropout Voltage: 60mV
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C20ILPR has three pins:

  1. VOUT: Output pin, provides the stable reference voltage of 2.048V.
  2. GND: Ground pin, connected to the common ground of the circuit.
  3. VIN: Input pin, connected to the power supply voltage.

Functional Features

  • Provides a precise and stable voltage reference for accurate circuit operation.
  • Low dropout voltage allows for efficient power utilization.
  • High accuracy and stability ensure reliable performance over a wide temperature range.
  • Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Wide operating temperature range - Low quiescent current

Disadvantages: - Limited output voltage options - Sensitive to external noise and fluctuations

Working Principles

The LM4040C20ILPR utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature coefficient compensation technique. The IC operates by comparing the bandgap voltage with an internal precision resistor network, resulting in a precise and stable output voltage.

Detailed Application Field Plans

The LM4040C20ILPR is widely used in various applications that require a stable voltage reference, such as: - Analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs) - Voltage regulators - Precision measurement equipment - Sensor calibration circuits

Detailed and Complete Alternative Models

  1. LM4040AIM3-2.5/NOPB: Output Voltage - 2.5V, SOT-23-3 package.
  2. LT1461AIS8-2.5#PBF: Output Voltage - 2.5V, SOIC-8 package.
  3. MAX6126AASA25+: Output Voltage - 2.5V, SOT-23-8 package.
  4. REF5025AIDGKT: Output Voltage - 2.5V, VSSOP-8 package.
  5. ADR3412ARMZ-REEL7: Output Voltage - 2.5V, MSOP-8 package.

These alternative models offer similar functionality and can be used as substitutes for the LM4040C20ILPR in various applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM4040C20ILPR trong giải pháp kỹ thuật

  1. What is the typical output voltage of LM4040C20ILPR?
    - The typical output voltage of LM4040C20ILPR is 2.048V.

  2. What is the maximum operating current of LM4040C20ILPR?
    - The maximum operating current of LM4040C20ILPR is 15mA.

  3. Can LM4040C20ILPR be used as a voltage reference in precision instrumentation?
    - Yes, LM4040C20ILPR can be used as a voltage reference in precision instrumentation due to its low drift and high accuracy.

  4. Is LM4040C20ILPR suitable for battery-powered applications?
    - Yes, LM4040C20ILPR is suitable for battery-powered applications due to its low quiescent current and low dropout voltage.

  5. What is the temperature stability of LM4040C20ILPR?
    - The temperature stability of LM4040C20ILPR is typically 50ppm/°C.

  6. Can LM4040C20ILPR be used in automotive electronics?
    - Yes, LM4040C20ILPR can be used in automotive electronics due to its wide operating temperature range and robustness.

  7. Does LM4040C20ILPR require an external capacitor for stability?
    - No, LM4040C20ILPR does not require an external capacitor for stability, making it easy to use in various technical solutions.

  8. What is the package type of LM4040C20ILPR?
    - LM4040C20ILPR is available in a SOT-23 package.

  9. Can LM4040C20ILPR tolerate reverse battery connections?
    - Yes, LM4040C20ILPR can tolerate reverse battery connections, providing protection in case of accidental reverse polarity.

  10. Is LM4040C20ILPR RoHS compliant?
    - Yes, LM4040C20ILPR is RoHS compliant, making it suitable for environmentally conscious designs.