ADR434ARZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low noise - Wide operating range

Package: SOIC (Small Outline Integrated Circuit)

Essence: ADR434ARZ is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR434ARZ is typically sold in reels of 250 units.

Specifications

• Output Voltage Range: 2.5V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 1.5mA

Detailed Pin Configuration

The ADR434ARZ has the following pin configuration:

```

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

• VOUT: Output voltage pin
• VIN: Input voltage pin
• GND: Ground pin
• TRIM: Trim pin for fine-tuning the output voltage

Functional Features

• High precision voltage reference
• Stable output voltage over a wide temperature range
• Low dropout voltage allows operation with low input voltages
• Low noise ensures accurate measurements
• Built-in trim pin for fine adjustment of output voltage

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient ensures stability - Wide operating range allows flexibility in various applications - Low dropout voltage enables operation with low input voltages - Low noise ensures accurate measurements

Disadvantages: - Relatively higher quiescent current compared to some other voltage references - Limited output voltage range (2.5V to 5.0V)

Working Principles

The ADR434ARZ utilizes a bandgap reference circuit to generate a stable and accurate voltage output. It compensates for temperature variations by employing a temperature coefficient cancellation technique. The internal trim pin allows fine-tuning of the output voltage.

Detailed Application Field Plans

The ADR434ARZ is commonly used in various applications that require a precise and stable voltage reference. Some typical application fields include:

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

Detailed and Complete Alternative Models

1. ADR435ARZ: Similar to ADR434ARZ, but with a wider output voltage range (1.2V to 5.0V).
2. ADR433ARZ: Similar to ADR434ARZ, but with a lower initial accuracy (±0.1%).
3. ADR431ARZ: Similar to ADR434ARZ, but with a lower supply voltage range (2.5V to 15V).

These alternative models provide options based on specific requirements and constraints.

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