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LM4040C50QDBZR
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LM4040C50QDBZR

Product Overview

  • Category: Voltage Reference
  • Use: Provides a stable reference voltage for precision analog circuitry
  • Characteristics: High accuracy, low temperature coefficient, low dropout voltage
  • Package: SOT-23, TO-92, SC-70
  • Essence: Precision voltage reference
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Output Voltage: 5.0V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 20ppm/°C
  • Dropout Voltage: 60mV
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM4040C50QDBZR has three pins: 1. VOUT: Output voltage pin 2. NC: No connect 3. GND: Ground pin

Functional Features

  • Provides a precise 5.0V output voltage
  • Low quiescent current
  • Excellent line and load regulation
  • Stable with capacitive loads

Advantages

  • High accuracy and stability
  • Wide operating temperature range
  • Small package options for space-constrained applications

Disadvantages

  • Limited output current capability
  • Higher cost compared to some alternatives

Working Principles

The LM4040C50QDBZR uses a bandgap reference circuit to generate a stable 5.0V output voltage. It compensates for temperature variations and maintains high accuracy over the specified temperature range.

Detailed Application Field Plans

  • Precision analog circuits
  • Data acquisition systems
  • Battery-powered devices
  • Industrial control systems
  • Instrumentation and measurement equipment

Detailed and Complete Alternative Models

  • LT1236: 5.0V precision voltage reference
  • MAX6126: Ultra-low-noise precision voltage reference
  • REF5025: High-precision voltage reference with wide input voltage range

LM4040C50QDBZR is a reliable choice for applications requiring a stable 5.0V reference voltage with high accuracy and low temperature coefficient.

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技術ソリューションにおける LM4040C50QDBZR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the LM4040C50QDBZR?

    • The LM4040C50QDBZR is a precision voltage reference diode that provides a stable 5V output voltage.

  2. What are the typical applications of the LM4040C50QDBZR?

    • It is commonly used in precision voltage regulation, analog-to-digital converters, and other applications requiring a stable 5V reference voltage.

  3. What is the operating temperature range of the LM4040C50QDBZR?

    • The LM4040C50QDBZR has an operating temperature range of -40°C to 125°C, making it suitable for a wide range of environments.

  4. What is the output voltage tolerance of the LM4040C50QDBZR?

    • The output voltage tolerance of the LM4040C50QDBZR is typically ±0.5%, ensuring precise and consistent voltage regulation.

  5. Can the LM4040C50QDBZR be used in battery-powered applications?

    • Yes, the LM4040C50QDBZR's low quiescent current and minimal power consumption make it well-suited for battery-powered devices.

  6. Is the LM4040C50QDBZR available in surface-mount packages?

    • Yes, the LM4040C50QDBZR is available in a small SOT-23 package, making it suitable for compact and space-constrained designs.

  7. What is the long-term stability of the LM4040C50QDBZR?

    • The LM4040C50QDBZR exhibits excellent long-term stability, ensuring reliable performance over extended periods.

  8. Does the LM4040C50QDBZR require external components for operation?

    • No, the LM4040C50QDBZR is a standalone voltage reference diode and does not require external components for basic operation.

  9. What is the maximum supply voltage for the LM4040C50QDBZR?

    • The LM4040C50QDBZR can handle a maximum supply voltage of 20V, providing a wide margin of safety in various applications.

  10. Are there any specific considerations for PCB layout when using the LM4040C50QDBZR?

    • Proper grounding and thermal management are important for optimal performance, and following the manufacturer's recommended layout guidelines is advisable.