ADR821ARMZ-R2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low noise

Package: SOT-23

Essence: ADR821ARMZ-R2 is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR821ARMZ-R2 is available in a standard SOT-23 package. It is typically sold in reels of 3000 units.

Specifications

The ADR821ARMZ-R2 has the following specifications:

• Output Voltage Range: 1.2V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 50µA
• Output Current: 20mA

Detailed Pin Configuration

The ADR821ARMZ-R2 has three pins:

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

Functional Features

The ADR821ARMZ-R2 offers the following functional features:

• High precision voltage reference for accurate voltage regulation.
• Low temperature coefficient ensures stability over a wide range of temperatures.
• Low dropout voltage minimizes power dissipation.
• Low noise output for applications requiring clean and precise voltage references.

Advantages and Disadvantages

Advantages: - High precision and accuracy. - Stable performance over temperature variations. - Low power consumption. - Small form factor.

Disadvantages: - Limited output current capability. - Higher cost compared to standard voltage references.

Working Principles

The ADR821ARMZ-R2 is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable reference voltage. The internal circuitry compensates for temperature variations, ensuring accurate output voltage over a wide range of operating conditions.

Detailed Application Field Plans

The ADR821ARMZ-R2 is commonly used in various applications, including:

1. Precision analog-to-digital converters (ADCs)
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery-powered applications
6. Medical equipment
7. Instrumentation and measurement devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the ADR821ARMZ-R2 are:

1. LT6654: Precision voltage reference with similar specifications.
2. MAX619: Low-power, low-noise voltage reference.
3. REF3030: High-precision voltage reference with low dropout voltage.

These alternative models offer similar functionality and performance characteristics, providing options for different design requirements.

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