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ADR821BRMZ-R2
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ADR821BRMZ-R2

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - High accuracy - Low dropout voltage - Low temperature coefficient - Low noise - Wide input voltage range

Package: SOT-23

Essence: ADR821BRMZ-R2 is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The ADR821BRMZ-R2 is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 10ppm/°C
  • Dropout Voltage: 300mV
  • Input Voltage Range: 2.7V to 18V
  • Output Current: 20mA
  • Quiescent Current: 120µA

Detailed Pin Configuration

The ADR821BRMZ-R2 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 dropout voltage allows for operation in low voltage systems
  • Low temperature coefficient ensures minimal output voltage drift with temperature changes
  • Low noise output for applications requiring precise voltage references

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Wide input voltage range - Low temperature coefficient - Low noise output

Disadvantages: - Limited output current capacity (20mA) - Requires external components for proper operation

Working Principles

The ADR821BRMZ-R2 is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable and accurate output voltage. The internal circuitry compensates for temperature variations, ensuring consistent performance over a wide range of operating conditions.

Detailed Application Field Plans

The ADR821BRMZ-R2 is commonly used in various applications that require precise voltage references, such as:

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

Detailed and Complete Alternative Models

  1. ADR421BRZ-R2: 2.048V output voltage, ±0.1% initial accuracy, SOT-23 package
  2. ADR431BRZ-R2: 4.096V output voltage, ±0.1% initial accuracy, SOT-23 package
  3. ADR441BRZ-R2: 4.096V output voltage, ±0.05% initial accuracy, SOT-23 package
  4. ADR451BRZ-R2: 5.0V output voltage, ±0.1% initial accuracy, SOT-23 package

These alternative models offer different output voltages and accuracies to suit specific application requirements.

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技術ソリューションにおける ADR821BRMZ-R2 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of ADR821BRMZ-R2 in technical solutions:

  1. Question: What is the ADR821BRMZ-R2?
    Answer: The ADR821BRMZ-R2 is a precision voltage reference IC manufactured by Analog Devices.

  2. Question: What is the purpose of using ADR821BRMZ-R2 in technical solutions?
    Answer: The ADR821BRMZ-R2 is used as a stable voltage reference in various applications, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power supplies, and sensor interfaces.

  3. Question: What is the output voltage range of ADR821BRMZ-R2?
    Answer: The ADR821BRMZ-R2 provides a fixed output voltage of 2.048V.

  4. Question: What is the accuracy of ADR821BRMZ-R2?
    Answer: The ADR821BRMZ-R2 has an initial accuracy of ±0.05% and a temperature coefficient of ±5 ppm/°C.

  5. Question: Can ADR821BRMZ-R2 operate from a single supply voltage?
    Answer: Yes, the ADR821BRMZ-R2 can operate from a single supply voltage ranging from 2.7V to 18V.

  6. Question: Does ADR821BRMZ-R2 require any external components for operation?
    Answer: No, the ADR821BRMZ-R2 is a standalone voltage reference and does not require any external components.

  7. Question: What is the typical current consumption of ADR821BRMZ-R2?
    Answer: The typical current consumption of ADR821BRMZ-R2 is 1.5 mA.

  8. Question: Is ADR821BRMZ-R2 suitable for low-power applications?
    Answer: Yes, ADR821BRMZ-R2 is designed for low-power applications and offers excellent power supply rejection ratio (PSRR) and low noise performance.

  9. Question: Can ADR821BRMZ-R2 be used in automotive applications?
    Answer: Yes, ADR821BRMZ-R2 is qualified for automotive applications and meets the AEC-Q100 standard.

  10. Question: What package options are available for ADR821BRMZ-R2?
    Answer: ADR821BRMZ-R2 is available in a 4-lead SOT-23 package, which is compact and suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.