Analog Devices Inc.
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ADR421ARZ
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ADR421ARZ

Product Overview

Category

The ADR421ARZ belongs to the category of precision voltage references.

Use

It is used as a stable voltage reference for various electronic circuits and systems.

Characteristics

  • High precision
  • Low temperature coefficient
  • Low noise
  • Wide operating temperature range

Package

The ADR421ARZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ADR421ARZ lies in providing a stable and accurate voltage reference for precise analog circuitry.

Packaging/Quantity

It is typically packaged in reels or tubes and is available in varying quantities based on customer requirements.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 3ppm/°C
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage: 4.5V to 18V
  • Quiescent Current: 1.5mA

Detailed Pin Configuration

  1. VOUT
  2. NC
  3. GND
  4. NC
  5. NC
  6. NC
  7. VIN
  8. NC

Functional Features

  • Precision voltage reference
  • Low output noise
  • High accuracy over temperature
  • Low quiescent current

Advantages

  • High precision and accuracy
  • Low temperature coefficient
  • Wide operating temperature range
  • Low output noise

Disadvantages

  • Relatively higher quiescent current compared to some alternatives
  • Limited output voltage options

Working Principles

The ADR421ARZ utilizes bandgap voltage reference technology to provide a stable and accurate output voltage regardless of variations in supply voltage and temperature. It achieves this by leveraging a combination of semiconductor materials and circuit design to minimize errors and drift.

Detailed Application Field Plans

The ADR421ARZ is commonly used in applications requiring precise voltage references, such as: - Data acquisition systems - Instrumentation - Industrial control systems - Precision measurement equipment - Medical devices

Detailed and Complete Alternative Models

Some alternative models to ADR421ARZ include: - ADR431 - ADR441 - LT1021 - LM4040

In conclusion, the ADR421ARZ is a precision voltage reference that offers high accuracy, low noise, and stability across a wide temperature range. Its application spans various industries where precise voltage references are critical for optimal performance.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του ADR421ARZ σε τεχνικές λύσεις

  1. What is the ADR421ARZ?

    • The ADR421ARZ is a precision voltage reference that provides a stable and accurate output voltage for various technical applications.

  2. What is the typical output voltage of the ADR421ARZ?

    • The typical output voltage of the ADR421ARZ is 2.5V, making it suitable for many precision voltage reference applications.

  3. What is the operating temperature range of the ADR421ARZ?

    • The ADR421ARZ operates over a temperature range of -40°C to +125°C, allowing it to be used in a wide range of environmental conditions.

  4. What are the key features of the ADR421ARZ?

    • The ADR421ARZ features low noise, high accuracy, low dropout voltage, and excellent long-term stability, making it ideal for precision measurement and control systems.

  5. How is the ADR421ARZ typically powered?

    • The ADR421ARZ is typically powered by a single positive power supply, simplifying its integration into various technical solutions.

  6. What are some common applications of the ADR421ARZ?

    • Common applications of the ADR421ARZ include data acquisition systems, industrial process control, medical instrumentation, and precision measurement equipment.

  7. What is the output voltage tolerance of the ADR421ARZ?

    • The output voltage tolerance of the ADR421ARZ is typically within ±0.2%, ensuring consistent and reliable performance in technical solutions.

  8. Does the ADR421ARZ require external components for operation?

    • The ADR421ARZ requires minimal external components for operation, simplifying its use in technical designs and reducing overall system complexity.

  9. Is the ADR421ARZ available in different package options?

    • Yes, the ADR421ARZ is available in various package options, including the small outline SOT-23 and SOIC packages, providing flexibility for different design requirements.

  10. What are the key advantages of using the ADR421ARZ in technical solutions?

    • The key advantages of using the ADR421ARZ include its high precision, low noise, and excellent long-term stability, which contribute to improved performance and reliability in technical applications.