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LM4040C25IDCKR
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LM4040C25IDCKR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Small package size - Low power consumption

Package: SC-70 (SOT-323)

Essence: The LM4040C25IDCKR is a precision voltage reference IC that provides a stable output voltage with high accuracy. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The LM4040C25IDCKR is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: ±50ppm/°C
  • Dropout Voltage: 60mV (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.7V to 10V
  • Quiescent Current: 60µA (typical)
  • Load Regulation: 0.05% (typical)
  • Line Regulation: 0.02% (typical)

Detailed Pin Configuration

The LM4040C25IDCKR has three pins:

  1. VOUT: Output pin, connected to the load.
  2. GND: Ground pin, connected to the common ground.
  3. VIN: Input pin, connected to the supply voltage.

Functional Features

  • High precision: The LM4040C25IDCKR provides a highly accurate output voltage of 2.5V with an initial accuracy of ±0.1%.
  • Low dropout voltage: With a dropout voltage of only 60mV, it can operate efficiently even with low input voltages.
  • Temperature stability: The temperature coefficient of ±50ppm/°C ensures stable performance over a wide temperature range.
  • Low power consumption: The quiescent current of 60µA minimizes power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Small package size - Wide operating temperature range - Low power consumption

Disadvantages: - Limited output voltage options (only 2.5V in this model) - Not suitable for high current applications

Working Principles

The LM4040C25IDCKR is based on bandgap reference technology. It utilizes a precision temperature-compensated bandgap core to generate a stable voltage reference. This reference voltage is then compared to an internal voltage divider network to produce the desired output voltage of 2.5V.

Detailed Application Field Plans

The LM4040C25IDCKR can be used in various applications that require a precise voltage reference, such as: 1. Analog-to-digital converters (ADCs) 2. Digital-to-analog converters (DACs) 3. Voltage regulators 4. Battery management systems 5. Precision instrumentation 6. Test and measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the LM4040C25IDCKR are: 1. LM4040AIM3-2.5/NOPB: 2.5V precision voltage reference in SOT-23 package. 2. LT1461ACS8-2.5#PBF: 2.5V micropower precision shunt voltage reference in SOIC-8 package. 3. MAX6126AASA25+: 2.5V ultra-low-noise precision voltage reference in SOIC-8 package.

These alternative models offer similar functionality and performance, providing options for different package sizes and additional features.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4040C25IDCKR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LM4040C25IDCKR in technical solutions:

  1. Q: What is LM4040C25IDCKR? A: LM4040C25IDCKR is a precision voltage reference IC that provides a stable and accurate voltage output.

  2. Q: What is the voltage output range of LM4040C25IDCKR? A: The voltage output range of LM4040C25IDCKR is 2.5V.

  3. Q: What is the typical accuracy of LM4040C25IDCKR? A: The typical accuracy of LM4040C25IDCKR is ±0.1%.

  4. Q: Can LM4040C25IDCKR be used as a voltage reference for analog-to-digital converters (ADCs)? A: Yes, LM4040C25IDCKR can be used as a voltage reference for ADCs to ensure accurate conversion.

  5. Q: Is LM4040C25IDCKR suitable for battery-powered applications? A: Yes, LM4040C25IDCKR is suitable for battery-powered applications due to its low quiescent current consumption.

  6. Q: Can LM4040C25IDCKR operate over a wide temperature range? A: Yes, LM4040C25IDCKR can operate over a temperature range of -40°C to +85°C.

  7. Q: What is the maximum load current that LM4040C25IDCKR can handle? A: LM4040C25IDCKR can handle a maximum load current of 15mA.

  8. Q: Does LM4040C25IDCKR require an external capacitor for stability? A: No, LM4040C25IDCKR does not require an external capacitor for stability. It is internally compensated.

  9. Q: Can LM4040C25IDCKR be used in precision measurement applications? A: Yes, LM4040C25IDCKR can be used in precision measurement applications where a stable voltage reference is required.

  10. Q: What package options are available for LM4040C25IDCKR? A: LM4040C25IDCKR is available in a SOT-23 package, which is small and suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific requirements of your technical solution.