Analog Devices Inc.
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REF02HSZ
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REF02HSZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Provides a stable and accurate voltage reference - Low temperature coefficient - High output current capability - Wide operating temperature range

Package: Small Outline Package (SOP)

Essence: REF02HSZ is a voltage reference IC that generates a precise and stable voltage for use in various electronic applications.

Packaging/Quantity: Available in tape and reel packaging, with 250 units per reel.

Specifications

  • Output Voltage Range: 5V ± 0.2%
  • Temperature Coefficient: 10 ppm/°C
  • Output Current: 10 mA
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage Range: 7V to 36V

Detailed Pin Configuration

REF02HSZ has the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. VIN: Input Voltage
  4. TRIM: Trimming Pin

Functional Features

  • Precise Voltage Reference: REF02HSZ provides a highly accurate and stable voltage reference, ensuring reliable performance in various electronic circuits.
  • Low Temperature Coefficient: The low temperature coefficient of 10 ppm/°C ensures minimal voltage drift over a wide temperature range.
  • High Output Current Capability: With an output current of 10 mA, this IC can drive multiple loads without compromising accuracy.
  • Wide Operating Temperature Range: The REF02HSZ operates reliably in extreme temperature conditions, ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low temperature coefficient - Wide operating temperature range - Suitable for precision applications

Disadvantages: - Limited output current capability compared to some other voltage reference ICs - Higher cost compared to standard voltage references

Working Principles

REF02HSZ 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.

The trimming pin (TRIM) allows fine adjustment of the output voltage to compensate for any manufacturing tolerances or external factors affecting the reference voltage.

Detailed Application Field Plans

REF02HSZ finds applications in various fields, including:

  1. Precision Instrumentation: Used as a voltage reference in high-precision measurement equipment such as digital multimeters and oscilloscopes.
  2. Analog-to-Digital Converters (ADC): Provides a stable reference voltage for accurate conversion of analog signals into digital data.
  3. Power Supply Regulation: Ensures precise voltage regulation in power supply circuits, improving overall system performance.
  4. Sensor Calibration: Used in sensor calibration circuits to provide a stable reference voltage for accurate sensor measurements.

Detailed and Complete Alternative Models

  1. REF01: Single-channel voltage reference with similar specifications and characteristics.
  2. REF03: Triple-channel voltage reference offering multiple independent voltage outputs.
  3. LT1021: High-precision voltage reference with ultra-low temperature coefficient and excellent long-term stability.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de REF02HSZ en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of REF02HSZ in technical solutions:

  1. Q: What is REF02HSZ? A: REF02HSZ is a precision voltage reference integrated circuit (IC) commonly used in technical solutions.

  2. Q: What is the purpose of using REF02HSZ in technical solutions? A: REF02HSZ provides a stable and accurate voltage reference, which is essential for various applications like analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and sensor calibration.

  3. Q: What is the voltage output range of REF02HSZ? A: The voltage output range of REF02HSZ is typically 5 volts with a low temperature coefficient.

  4. Q: How accurate is REF02HSZ? A: REF02HSZ has a high accuracy with a typical initial accuracy of ±0.1% and a long-term stability of ±50 ppm/1000 hours.

  5. Q: Can REF02HSZ operate over a wide temperature range? A: Yes, REF02HSZ is designed to operate over a wide temperature range, typically from -40°C to +85°C.

  6. Q: Is REF02HSZ suitable for battery-powered applications? A: Yes, REF02HSZ has a low power consumption and can be used in battery-powered applications where power efficiency is crucial.

  7. Q: Can REF02HSZ be used in both single-supply and dual-supply systems? A: Yes, REF02HSZ can be used in both single-supply and dual-supply systems, making it versatile for various technical solutions.

  8. Q: Does REF02HSZ require external components for operation? A: Yes, REF02HSZ requires external capacitors for stability and noise filtering. The datasheet provides recommended values.

  9. Q: Can REF02HSZ be used in high-precision measurement applications? A: Yes, REF02HSZ is commonly used in high-precision measurement applications where accurate voltage references are critical.

  10. Q: Are there any alternative voltage reference ICs similar to REF02HSZ? A: Yes, there are other voltage reference ICs available in the market, such as REF01, REF03, and LT1021, which can be considered based on specific requirements.

Please note that the answers provided here are general and may vary depending on the specific application and design considerations.