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ADR421BRZ
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ADR421BRZ

Product Overview

Category

ADR421BRZ belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

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

Package

ADR421BRZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ADR421BRZ is to provide a stable and accurate voltage reference for precise voltage measurements and control in electronic systems.

Packaging/Quantity

ADR421BRZ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.05%
  • Temperature Coefficient: 10ppm/°C
  • Supply Voltage Range: 4.5V to 18V
  • Output Current: 10mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VOUT: Output Voltage
  2. GND: Ground
  3. NC: No Connection
  4. TRIM: Trim Pin for Fine Adjustment
  5. ADJ: Adjust Pin for Coarse Adjustment
  6. NC: No Connection
  7. VIN: Input Voltage
  8. NC: No Connection

Functional Features

  • High precision and stability ensure accurate voltage references.
  • Low temperature coefficient minimizes variations due to temperature changes.
  • Low output noise ensures clean and reliable voltage signals.
  • Wide operating temperature range allows for use in various environments.

Advantages

  • Provides a stable and accurate voltage reference for precise measurements and control.
  • Suitable for applications requiring high precision and low noise.
  • Wide operating temperature range makes it versatile for different environments.

Disadvantages

  • Limited output current may not be suitable for high-power applications.
  • Requires external adjustment for fine-tuning.

Working Principles

ADR421BRZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by using a combination of bipolar and CMOS technologies, resulting in a low temperature coefficient.

Detailed Application Field Plans

ADR421BRZ finds applications in various fields, including:

  1. Precision measurement instruments
  2. Data acquisition systems
  3. Industrial control systems
  4. Medical equipment
  5. Automotive electronics
  6. Telecommunications

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ADR421BRZ are:

  1. LT6654: Precision Voltage Reference
  2. MAX619: Low-Noise Voltage Reference
  3. REF5050: High-Precision Voltage Reference
  4. LM4040: Shunt Voltage Reference
  5. LT1021: Precision Reference

These models offer similar features and can be used as alternatives depending on specific requirements.

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技術ソリューションにおける ADR421BRZ 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。

Sure! Here are 10 common questions and answers related to the application of ADR421BRZ in technical solutions:

  1. Q: What is ADR421BRZ?

    • A: ADR421BRZ is a precision voltage reference IC manufactured by Analog Devices.

  2. Q: What is the purpose of ADR421BRZ?

    • A: The purpose of ADR421BRZ is to provide a stable and accurate voltage reference for various applications.

  3. Q: What is the voltage output range of ADR421BRZ?

    • A: The voltage output range of ADR421BRZ is typically between 2.048V and 5V.

  4. Q: What is the accuracy of ADR421BRZ?

    • A: ADR421BRZ has a high accuracy of typically ±0.02% or better.

  5. Q: Can ADR421BRZ operate over a wide temperature range?

    • A: Yes, ADR421BRZ is designed to operate over a wide temperature range, typically from -40°C to +125°C.

  6. Q: What is the power supply requirement for ADR421BRZ?

    • A: ADR421BRZ requires a single power supply voltage between 2.7V and 18V.

  7. Q: Can ADR421BRZ be used in battery-powered applications?

    • A: Yes, ADR421BRZ can be used in battery-powered applications due to its low power consumption.

  8. Q: Is ADR421BRZ suitable for precision measurement applications?

    • A: Yes, ADR421BRZ is well-suited for precision measurement applications that require stable and accurate voltage references.

  9. Q: Does ADR421BRZ have built-in protection features?

    • A: Yes, ADR421BRZ includes built-in protection against reverse battery connection and overvoltage conditions.

  10. Q: What package options are available for ADR421BRZ?

    • A: ADR421BRZ is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of ADR421BRZ.