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ADR291FRZ
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ADR291FRZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low noise - Wide operating temperature range

Package: SOT-23

Essence: ADR291FRZ is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR291FRZ is typically sold in reels of 3000 units.

Specifications

  • Output Voltage Range: 1.2V to 5.0V
  • Initial Accuracy: ±0.05%
  • Temperature Coefficient: 10ppm/°C
  • Dropout Voltage: 300mV
  • Supply Voltage Range: 2.7V to 18V
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR291FRZ has three pins:

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

Functional Features

  • High accuracy and stability: The ADR291FRZ provides a highly accurate and stable output voltage, making it suitable for precision applications.
  • Low dropout voltage: The low dropout voltage ensures efficient operation even with low input voltages.
  • Low temperature coefficient: The low temperature coefficient minimizes the impact of temperature variations on the output voltage.
  • Low noise: The ADR291FRZ generates minimal noise, ensuring clean and reliable voltage references.

Advantages and Disadvantages

Advantages: - High precision and stability - Low dropout voltage - Wide operating temperature range - Low noise output

Disadvantages: - Limited output voltage range (1.2V to 5.0V) - Relatively high initial cost compared to some alternatives

Working Principles

The ADR291FRZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant over a wide range of operating temperatures.

Detailed Application Field Plans

The ADR291FRZ is commonly used in various applications, including: - Precision instrumentation - Data acquisition systems - Industrial control systems - Portable devices - Battery-powered equipment

Detailed and Complete Alternative Models

  1. ADR292FRZ: Similar to ADR291FRZ with extended output voltage range (0.5V to 5.0V).
  2. ADR293FRZ: Higher precision version of ADR291FRZ with an initial accuracy of ±0.02%.
  3. ADR294FRZ: Low dropout voltage variant of ADR291FRZ with a dropout voltage of 100mV.

These alternative models offer different specifications and features to cater to specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ADR291FRZ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ADR291FRZ in technical solutions:

  1. Q: What is ADR291FRZ? A: ADR291FRZ is a low-dropout (LDO) voltage regulator IC manufactured by Analog Devices.

  2. Q: What is the input voltage range of ADR291FRZ? A: The input voltage range of ADR291FRZ is typically between 2.5V and 18V.

  3. Q: What is the output voltage range of ADR291FRZ? A: The output voltage range of ADR291FRZ is typically between 1.2V and 15V.

  4. Q: What is the dropout voltage of ADR291FRZ? A: The dropout voltage of ADR291FRZ is typically around 300mV at full load.

  5. Q: What is the maximum output current of ADR291FRZ? A: The maximum output current of ADR291FRZ is typically 100mA.

  6. Q: Is ADR291FRZ suitable for battery-powered applications? A: Yes, ADR291FRZ is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  7. Q: Does ADR291FRZ have built-in thermal shutdown protection? A: Yes, ADR291FRZ has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can ADR291FRZ operate in harsh environments? A: Yes, ADR291FRZ is designed to operate in a wide temperature range (-40°C to +125°C) and is suitable for harsh environments.

  9. Q: What type of package does ADR291FRZ come in? A: ADR291FRZ is available in a small SOT-23 package, which is commonly used for compact designs.

  10. Q: Are there any application notes or reference designs available for ADR291FRZ? A: Yes, Analog Devices provides application notes and reference designs that can help with the implementation of ADR291FRZ in various technical solutions.

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