ADR420ARZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOIC (Small Outline Integrated Circuit)

Essence: ADR420ARZ is a high-precision voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR420ARZ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Output Voltage Range: 2.048V ± 0.02%
• Temperature Coefficient: 5 ppm/°C
• Dropout Voltage: 300mV (maximum)
• Noise: 3μVp-p (typical)
• Supply Voltage Range: 4.5V to 18V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR420ARZ has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage
4. NC: No Connection

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 minimal interference.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Stable performance over temperature variations - Low power dissipation - Minimal output noise

Disadvantages: - Limited output voltage range - Requires an external power supply

Working Principles

The ADR420ARZ utilizes a bandgap voltage reference circuit to generate a stable and precise output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. The resulting output voltage is highly accurate and remains stable over a wide range of operating conditions.

Detailed Application Field Plans

The ADR420ARZ is commonly used in various applications that require a stable and accurate voltage reference, such as:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Power management systems
5. Sensor calibration circuits

Detailed and Complete Alternative Models

1. ADR421ARZ: Similar to ADR420ARZ with a different output voltage range.
2. ADR430ARZ: Higher precision voltage reference with lower temperature coefficient.
3. ADR440ARZ: Lower dropout voltage version of ADR420ARZ.

These alternative models offer similar functionality but may have different specifications or features that cater to specific application requirements.

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