ADR3440ARJZ-R2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23

Essence: The ADR3440ARJZ-R2 is a high precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: The ADR3440ARJZ-R2 is typically available in tape and reel packaging, with 3000 units per reel.

Specifications

The ADR3440ARJZ-R2 has the following specifications:

• Output Voltage Range: 4.096V ± 0.1%
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 5 ppm/°C
• Dropout Voltage: 400mV (typical)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The ADR3440ARJZ-R2 has three pins:

1. VOUT: Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin

Functional Features

• High precision output voltage
• Low temperature coefficient ensures stability over a wide temperature range
• Low dropout voltage minimizes power dissipation
• Wide operating temperature range allows for use in various environments
• Excellent line and load regulation characteristics

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient - Wide operating temperature range - Low dropout voltage

Disadvantages: - Relatively higher quiescent current compared to some alternative models - Limited output voltage range

Working Principles

The ADR3440ARJZ-R2 is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable voltage reference. The bandgap reference circuit compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The ADR3440ARJZ-R2 is commonly used in various applications that require a stable and accurate voltage reference. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Data acquisition systems
3. Industrial control systems
4. Portable instrumentation
5. Battery-powered devices

Detailed and Complete Alternative Models

1. ADR3430ARJZ-R2: Similar specifications with a lower output voltage range of 3.0V ± 0.1%
2. ADR3450ARJZ-R2: Similar specifications with a higher output voltage range of 5.0V ± 0.1%
3. ADR3440BRJZ-R2: Similar specifications with improved initial accuracy of ±0.02%

These alternative models provide options with different output voltage ranges and improved accuracy for specific application requirements.

In conclusion, the ADR3440ARJZ-R2 is a high precision voltage reference IC that offers stability, accuracy, and low dropout voltage. Its wide operating temperature range makes it suitable for various electronic applications. However, it has a relatively higher quiescent current and limited output voltage range compared to some alternative models.