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REF194ES
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REF194ES

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Provides a stable and accurate voltage reference - Low temperature coefficient - High precision - Low power consumption

Package: Small Outline Transistor (SOT-23)

Essence: REF194ES is a voltage reference IC that generates a precise and stable voltage for various electronic applications.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

  • Output Voltage Range: 1.225V to 5.5V
  • Initial Accuracy: ±0.2%
  • Temperature Coefficient: 50ppm/°C
  • Supply Voltage Range: 2.7V to 40V
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

REF194ES has three pins:

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

Functional Features

  • High accuracy and stability over a wide temperature range
  • Low power consumption makes it suitable for battery-powered devices
  • Excellent line regulation and load regulation
  • Low output noise
  • Fast start-up time

Advantages

  • Precise and stable voltage reference
  • Wide operating temperature range
  • Low power consumption
  • Compact SOT-23 package for space-constrained applications
  • Suitable for both low and high voltage systems

Disadvantages

  • Limited output current capability
  • Requires an external bypass capacitor for optimal performance
  • Relatively higher cost compared to some alternative models

Working Principles

REF194ES utilizes bandgap voltage reference technology to generate a stable voltage output. It compensates for temperature variations by employing a temperature-dependent current source and a voltage reference circuit. This ensures that the output voltage remains constant even with changes in temperature and supply voltage.

Detailed Application Field Plans

REF194ES finds applications in various electronic systems, including but not limited to: - Precision instrumentation - Data acquisition systems - Power management circuits - Battery charging circuits - Voltage regulators - Analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs)

Detailed and Complete Alternative Models

  1. REF192ES: Similar specifications and package as REF194ES, but with a lower initial accuracy of ±0.5%.
  2. REF195ES: Higher initial accuracy of ±0.1%, but with a slightly higher temperature coefficient of 75ppm/°C.
  3. REF196ES: Offers a wider output voltage range from 1.225V to 10V, suitable for applications requiring higher voltages.

These alternative models provide options based on specific requirements and trade-offs between accuracy, temperature coefficient, and output voltage range.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av REF194ES i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of REF194ES in technical solutions:

  1. Question: What is REF194ES?
    Answer: REF194ES is a precision voltage reference IC (integrated circuit) commonly used in technical solutions.

  2. Question: What is the voltage output range of REF194ES?
    Answer: The voltage output range of REF194ES is typically between 1.225V and 5.5V.

  3. Question: How accurate is REF194ES in providing voltage references?
    Answer: REF194ES has a high accuracy with a typical initial accuracy of ±0.05% and a maximum temperature drift of ±50ppm/°C.

  4. Question: Can REF194ES be used in low-power applications?
    Answer: Yes, REF194ES is designed for low-power operation and consumes very little current, making it suitable for battery-powered devices.

  5. Question: Is REF194ES suitable for both single-supply and dual-supply applications?
    Answer: Yes, REF194ES can be used in both single-supply and dual-supply configurations, providing flexibility in various technical solutions.

  6. Question: What is the operating temperature range of REF194ES?
    Answer: REF194ES can operate within a wide temperature range, typically from -40°C to +125°C.

  7. Question: Can REF194ES be used in high-precision measurement systems?
    Answer: Yes, REF194ES is often used in high-precision measurement systems where stable and accurate voltage references are required.

  8. Question: Does REF194ES require external components for operation?
    Answer: Yes, REF194ES requires a few external passive components such as capacitors and resistors for proper operation.

  9. Question: Can REF194ES withstand high voltage levels?
    Answer: REF194ES has a maximum supply voltage rating of 36V, which means it can handle moderate voltage levels in most applications.

  10. Question: Is REF194ES available in different package options?
    Answer: Yes, REF194ES is available in various package options such as SOIC (Small Outline Integrated Circuit) and SOT-23, allowing for easy integration into different circuit designs.

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