ADR420ARMZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23

Essence: ADR420ARMZ is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR420ARMZ 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
• Quiescent Current: 120µA

Detailed Pin Configuration

The ADR420ARMZ has the following pin configuration:

```

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

• VOUT: Output voltage
• GND: Ground
• VIN: Input voltage

Functional Features

• High precision voltage reference
• Stable output voltage over a wide range of temperatures
• Low dropout voltage allows for operation with low input voltages
• Low noise ensures accurate measurements

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient ensures stability - Low dropout voltage enables operation with low input voltages - Low noise for accurate measurements

Disadvantages: - Limited output voltage range (1.2V to 5.0V) - Requires an external power supply within the specified voltage range

Working Principles

The ADR420ARMZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature coefficient compensation technique. The input voltage is regulated to provide a constant output voltage, even with varying load conditions.

Detailed Application Field Plans

The ADR420ARMZ is commonly used in various applications that require a stable and accurate voltage reference. Some of the typical application fields include:

1. Precision measurement instruments
2. Data acquisition systems
3. Industrial control systems
4. Medical equipment
5. Automotive electronics

Detailed and Complete Alternative Models

1. ADR421ARMZ: Similar to ADR420ARMZ but with an extended output voltage range of 0.6V to 5.0V.
2. ADR423ARMZ: Higher precision version with an initial accuracy of ±0.02%.
3. ADR425ARMZ: Low dropout voltage variant with a dropout voltage of 100mV.

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

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