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REF192ESZ
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REF192ESZ

Product Overview

Category: Voltage Reference
Use: Provides a stable voltage reference for precision applications
Characteristics: High accuracy, low temperature coefficient, low dropout voltage
Package: SOT-23-3
Essence: Precision voltage reference
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 10ppm/°C
  • Dropout Voltage: 200mV
  • Supply Voltage Range: 2.7V to 15V
  • Quiescent Current: 60µA

Detailed Pin Configuration

The REF192ESZ is a three-pin device with the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. VIN: Input Voltage

Functional Features

  • High accuracy: The REF192ESZ provides a precise output voltage of 2.5V with an initial accuracy of ±0.1%.
  • Low temperature coefficient: With a temperature coefficient of 10ppm/°C, the voltage reference remains stable over a wide temperature range.
  • Low dropout voltage: The device has a low dropout voltage of 200mV, ensuring efficient operation even with low input voltages.
  • Wide supply voltage range: The REF192ESZ can operate within a supply voltage range of 2.7V to 15V, making it suitable for various applications.
  • Low quiescent current: With a quiescent current of only 60µA, the device minimizes power consumption.

Advantages and Disadvantages

Advantages: - High accuracy ensures precise voltage reference. - Low temperature coefficient maintains stability across temperature variations. - Low dropout voltage enables efficient operation. - Wide supply voltage range allows for versatile applications. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited output voltage options (only 2.5V). - SOT-23-3 package may not be suitable for all applications requiring a voltage reference.

Working Principles

The REF192ESZ is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable output voltage. The internal circuitry compensates for temperature variations, ensuring accurate and reliable voltage reference performance.

Detailed Application Field Plans

The REF192ESZ is commonly used in precision applications that require a stable voltage reference. Some typical 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. REF193ESZ: Similar to REF192ESZ but with an output voltage of 3.0V.
  2. REF194ESZ: Similar to REF192ESZ but with an output voltage of 4.096V.
  3. REF195ESZ: Similar to REF192ESZ but with an output voltage of 5.0V.
  4. REF196ESZ: Similar to REF192ESZ but with an output voltage of 1.25V.

These alternative models provide different output voltage options to suit specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de REF192ESZ en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of REF192ESZ in technical solutions:

  1. Question: What is REF192ESZ?
    Answer: REF192ESZ is a precision voltage reference IC (integrated circuit) manufactured by Texas Instruments.

  2. Question: What is the voltage range of REF192ESZ?
    Answer: The voltage range of REF192ESZ is typically between 1.225V and 5.5V.

  3. Question: What is the purpose of using REF192ESZ in technical solutions?
    Answer: REF192ESZ is commonly used as a stable voltage reference for various applications, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power supplies, and sensor interfaces.

  4. Question: How accurate is REF192ESZ?
    Answer: REF192ESZ has a high initial accuracy of ±0.05% and a low temperature coefficient of ±15ppm/°C, making it suitable for precise voltage references.

  5. Question: Can REF192ESZ operate in harsh environments?
    Answer: Yes, REF192ESZ is designed to operate in a wide temperature range from -40°C to +125°C, making it suitable for both industrial and automotive applications.

  6. Question: Does REF192ESZ require external components for operation?
    Answer: Yes, REF192ESZ requires an external bypass capacitor for stability. A typical value for the bypass capacitor is 0.1µF.

  7. Question: What is the output current capability of REF192ESZ?
    Answer: REF192ESZ can source or sink up to 10mA of current, which is sufficient for most low-power applications.

  8. Question: Can REF192ESZ be used in battery-powered applications?
    Answer: Yes, REF192ESZ has a low quiescent current of 60µA, making it suitable for battery-powered devices where power consumption is critical.

  9. Question: Is REF192ESZ available in different package options?
    Answer: Yes, REF192ESZ is available in various package options, including the 8-pin SOIC (Small Outline Integrated Circuit) and SOT-23 packages.

  10. Question: Are there any application notes or reference designs available for REF192ESZ?
    Answer: Yes, Texas Instruments provides application notes and reference designs that can help users understand and implement REF192ESZ in their technical solutions effectively.

Please note that these questions and answers are general and may vary depending on specific application requirements.