ADR821BRMZ-REEL7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23

Essence: ADR821BRMZ-REEL7 is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: Available in reels of 3000 units.

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: 120µA
• Output Current: 20mA

Pin Configuration

The ADR821BRMZ-REEL7 IC has the following pin configuration:

```

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| | --| VOUT | --| GND | --| VIN | |___________| ```

Functional Features

• High precision voltage reference
• Stable output voltage over a wide range of operating conditions
• Low temperature coefficient ensures minimal voltage drift with temperature changes
• Low dropout voltage allows for efficient operation even with low input voltages
• Low noise output for applications requiring high accuracy

Advantages

• Excellent initial accuracy ensures precise voltage references
• Low temperature coefficient minimizes voltage variations with temperature changes
• Low dropout voltage enables operation in low voltage environments
• Low noise output suitable for sensitive applications

Disadvantages

• Limited output current capability (20mA)
• Restricted supply voltage range (2.7V to 5.5V)

Working Principles

The ADR821BRMZ-REEL7 is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable and accurate voltage output. The internal circuitry compensates for temperature variations, ensuring a consistent voltage reference over a wide range of operating conditions.

Detailed Application Field Plans

The ADR821BRMZ-REEL7 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 circuits

Alternative Models

Here are some alternative models that can be considered as alternatives to the ADR821BRMZ-REEL7:

1. LT6654: High precision voltage reference with similar specifications.
2. MAX619: Low dropout voltage reference IC suitable for low voltage applications.
3. REF5050: Precision voltage reference with excellent initial accuracy.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the ADR821BRMZ-REEL7 is a high-precision voltage reference IC with low temperature coefficient, low dropout voltage, and low noise output. It finds applications in various fields where accurate voltage references are essential.