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REF02EZ
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REF02EZ

Product Overview

Category: Voltage Reference
Use: Provides a stable and accurate voltage reference for electronic circuits
Characteristics: High precision, low temperature coefficient, low power consumption
Package: TO-92, SOT-23, SOIC-8
Essence: Precision voltage reference
Packaging/Quantity: Available in reels or tubes, quantity varies based on package type

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50ppm/°C
  • Supply Voltage Range: 4V to 30V
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

REF02EZ has three pins:

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

Functional Features

  • High precision: The REF02EZ provides a highly accurate output voltage of 2.5V.
  • Low temperature coefficient: It exhibits a low temperature coefficient of 50ppm/°C, ensuring stability over a wide temperature range.
  • Low power consumption: With a quiescent current of only 60µA, it minimizes power consumption in electronic circuits.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient ensures stability - Low power consumption - Wide supply voltage range allows flexibility in circuit design

Disadvantages: - Limited output voltage options (only 2.5V) - Not suitable for applications requiring higher output voltages

Working Principles

The REF02EZ is based on the bandgap voltage reference principle. It utilizes a combination of bipolar and CMOS technologies to generate a stable and accurate reference voltage. The internal circuitry compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The REF02EZ is widely used in various electronic applications that require a stable and accurate voltage reference. Some common application fields include:

  1. Analog-to-Digital Converters (ADCs)
  2. Digital-to-Analog Converters (DACs)
  3. Voltage regulators
  4. Precision instrumentation
  5. Sensor calibration circuits

Detailed and Complete Alternative Models

  1. REF01: Provides a 5V output voltage with similar characteristics to REF02EZ.
  2. REF03: Offers a 10V output voltage and higher accuracy compared to REF02EZ.
  3. REF04: Provides a 2.048V output voltage with improved temperature stability.

These alternative models offer different output voltages and may have additional features or improved specifications compared to the REF02EZ.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi REF02EZ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of REF02EZ in technical solutions:

  1. Q: What is REF02EZ? A: REF02EZ is a precision voltage reference IC that provides a stable and accurate voltage output.

  2. Q: What is the voltage output range of REF02EZ? A: The voltage output range of REF02EZ is typically 2.5V with a maximum deviation of ±0.2%.

  3. Q: How can REF02EZ be used in technical solutions? A: REF02EZ can be used as a stable voltage reference for various applications such as analog-to-digital converters, power supplies, and sensor calibration.

  4. Q: What is the temperature coefficient of REF02EZ? A: The temperature coefficient of REF02EZ is typically 10 ppm/°C, which ensures stability over a wide temperature range.

  5. Q: Can REF02EZ operate from a single power supply? A: Yes, REF02EZ can operate from a single power supply ranging from 4.5V to 36V.

  6. Q: Is REF02EZ suitable for battery-powered applications? A: Yes, REF02EZ is suitable for battery-powered applications due to its low power consumption and wide operating voltage range.

  7. Q: Does REF02EZ require external components for operation? A: Yes, REF02EZ requires a few external components such as capacitors for stability and noise filtering.

  8. Q: Can REF02EZ provide a precise voltage reference for high-resolution ADCs? A: Yes, REF02EZ is designed to provide a stable and accurate voltage reference for high-resolution analog-to-digital converters.

  9. Q: What is the typical output impedance of REF02EZ? A: The typical output impedance of REF02EZ is very low, typically around 0.1 ohms.

  10. Q: Is REF02EZ available in different package options? A: Yes, REF02EZ is available in various package options such as TO-92, SOIC, and SOT-23, providing flexibility for different application requirements.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of REF02EZ.