QD Devices Inc.
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ADR03AUJ-R2
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ADR03AUJ-R2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low quiescent current

Package: SOT-23

Essence: The ADR03AUJ-R2 is a voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The ADR03AUJ-R2 is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Output Voltage Range: 1.225V to 5.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 10ppm/°C
  • Dropout Voltage: 200mV
  • Quiescent Current: 120μA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR03AUJ-R2 has three pins:

  1. VOUT: Output voltage pin.
  2. GND: Ground pin.
  3. VIN: Input voltage pin.

Functional Features

  • High precision voltage reference for various applications.
  • Stable output voltage over a wide range of operating conditions.
  • Low temperature coefficient ensures minimal drift with temperature changes.
  • Low dropout voltage allows operation with low input voltages.
  • Low quiescent current minimizes power consumption.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage range. - Requires external components for proper operation.

Working Principles

The ADR03AUJ-R2 utilizes bandgap voltage reference technology to generate a precise and stable output voltage. It compensates for temperature variations by employing a temperature coefficient circuit. The IC operates by comparing the reference voltage with an internal feedback voltage, ensuring accurate output voltage regulation.

Detailed Application Field Plans

The ADR03AUJ-R2 is commonly used in various applications, including:

  1. Precision analog-to-digital converters (ADCs)
  2. Digital-to-analog converters (DACs)
  3. Voltage regulators
  4. Battery-powered devices
  5. Sensor calibration circuits

Detailed and Complete Alternative Models

  1. ADR01AUJ-R2: 1.225V output voltage, ±0.1% initial accuracy.
  2. ADR02AUJ-R2: 2.5V output voltage, ±0.1% initial accuracy.
  3. ADR04AUJ-R2: 4.096V output voltage, ±0.1% initial accuracy.
  4. ADR05AUJ-R2: 5.0V output voltage, ±0.1% initial accuracy.

These alternative models offer different output voltage options while maintaining the same high precision and characteristics as the ADR03AUJ-R2.

In conclusion, the ADR03AUJ-R2 is a highly accurate and stable voltage reference IC suitable for a wide range of applications. Its small package size, low power consumption, and excellent performance make it a popular choice among designers and engineers.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ADR03AUJ-R2 dalam penyelesaian teknikal

  1. What is the typical input voltage range for ADR03AUJ-R2?
    - The typical input voltage range for ADR03AUJ-R2 is 4.5V to 18V.

  2. What is the output voltage accuracy of ADR03AUJ-R2?
    - The output voltage accuracy of ADR03AUJ-R2 is ±0.3%.

  3. Can ADR03AUJ-R2 be used in precision instrumentation applications?
    - Yes, ADR03AUJ-R2 is suitable for precision instrumentation applications due to its low output voltage noise and high accuracy.

  4. What is the temperature coefficient of ADR03AUJ-R2?
    - The temperature coefficient of ADR03AUJ-R2 is typically 5 ppm/°C.

  5. Is ADR03AUJ-R2 suitable for battery-powered applications?
    - Yes, ADR03AUJ-R2 is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.

  6. Can ADR03AUJ-R2 be used in industrial control systems?
    - Yes, ADR03AUJ-R2 is suitable for industrial control systems due to its high reliability and stability.

  7. What is the maximum output current of ADR03AUJ-R2?
    - The maximum output current of ADR03AUJ-R2 is 10 mA.

  8. Does ADR03AUJ-R2 require external compensation?
    - No, ADR03AUJ-R2 does not require external compensation, simplifying its application in designs.

  9. Can ADR03AUJ-R2 tolerate reverse polarity at the input?
    - No, ADR03AUJ-R2 cannot tolerate reverse polarity at the input and requires proper input protection.

  10. Is ADR03AUJ-R2 available in a small package for space-constrained applications?
    - Yes, ADR03AUJ-R2 is available in a small SOT-23 package, making it suitable for space-constrained applications.