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REF5025IDGKR
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REF5025IDGKR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low output noise - Wide operating temperature range

Package: VSSOP-8

Essence: The REF5025IDGKR is a precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: The REF5025IDGKR is available in tape and reel packaging with 2500 units per reel.

Specifications

  • Output Voltage Range: 2.048V to 5V
  • Initial Accuracy: ±0.05%
  • Temperature Coefficient: 10ppm/°C
  • Dropout Voltage: 200mV
  • Output Noise: 4µVrms
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage Range: 2.7V to 18V
  • Quiescent Current: 70µA

Detailed Pin Configuration

The REF5025IDGKR has the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. NC: No Connection
  4. NC: No Connection
  5. NC: No Connection
  6. NC: No Connection
  7. VIN: Input Voltage
  8. NC: No Connection

Functional Features

  • High precision voltage reference
  • Low temperature coefficient ensures stability over a wide temperature range
  • Low dropout voltage minimizes power dissipation
  • Low output noise for noise-sensitive applications
  • Wide operating temperature range allows usage in extreme environments

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient - Low dropout voltage - Low output noise - Wide operating temperature range

Disadvantages: - Limited output voltage range (2.048V to 5V) - Requires external components for proper operation

Working Principles

The REF5025IDGKR utilizes a bandgap voltage reference circuit to generate a stable and accurate voltage reference. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current generator and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The REF5025IDGKR is commonly used in various applications, including:

  1. Precision analog-to-digital converters (ADCs)
  2. Digital-to-analog converters (DACs)
  3. Voltage regulators
  4. Power management systems
  5. Sensor calibration circuits
  6. Test and measurement equipment

Detailed and Complete Alternative Models

  1. REF5025AIDGKT: Similar specifications and features, available in a different package (SOT-23-5).
  2. REF5025AIDGKR: Similar specifications and features, available in the same package (VSSOP-8).
  3. REF5025AIDGKRG4: Similar specifications and features, available in the same package (VSSOP-8), with improved performance.

Note: The above alternative models are from the same series and offer similar functionality as the REF5025IDGKR. However, it is recommended to refer to the datasheets of each model for detailed specifications and compatibility with specific applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق REF5025IDGKR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of REF5025IDGKR in technical solutions:

  1. Q: What is the REF5025IDGKR? A: The REF5025IDGKR is a precision voltage reference IC manufactured by Texas Instruments.

  2. Q: What is the voltage range of REF5025IDGKR? A: The REF5025IDGKR has a voltage range of 2.048V to 5V.

  3. Q: What is the typical accuracy of REF5025IDGKR? A: The typical accuracy of REF5025IDGKR is ±0.05%.

  4. Q: Can REF5025IDGKR operate in harsh environments? A: Yes, REF5025IDGKR is designed to operate in harsh environments with a temperature range of -40°C to +125°C.

  5. Q: How much current does REF5025IDGKR consume? A: REF5025IDGKR consumes very low current, typically around 60µA.

  6. Q: Is REF5025IDGKR suitable for battery-powered applications? A: Yes, REF5025IDGKR is ideal for battery-powered applications due to its low power consumption.

  7. Q: Can REF5025IDGKR be used as a voltage reference for analog-to-digital converters (ADCs)? A: Absolutely, REF5025IDGKR is commonly used as a voltage reference for ADCs to ensure accurate conversion.

  8. Q: Does REF5025IDGKR require an external capacitor for stability? A: Yes, REF5025IDGKR requires an external capacitor for stability. The datasheet provides guidelines for selecting the appropriate capacitor.

  9. Q: Can REF5025IDGKR be used in precision measurement applications? A: Yes, REF5025IDGKR is well-suited for precision measurement applications that require stable and accurate voltage references.

  10. Q: What are the available package options for REF5025IDGKR? A: REF5025IDGKR is available in a small SOT-23-6 package, making it suitable for space-constrained designs.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.