ADR4520ARZ-R7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOIC-8

Essence: The ADR4520ARZ-R7 is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR4520ARZ-R7 is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Output Voltage Range: 2.048V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 3ppm/°C
• Dropout Voltage: 300mV
• Supply Voltage Range: 4.5V to 18V
• Quiescent Current: 1.5mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR4520ARZ-R7 has the following pin configuration:

```

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

• VOUT: Output voltage pin
• GND: Ground pin
• VIN: Input voltage pin
• NC: No connection pin

Functional Features

• High Precision: The ADR4520ARZ-R7 offers excellent voltage accuracy, ensuring reliable performance in precision applications.
• Low Temperature Coefficient: The low temperature coefficient ensures minimal voltage drift over a wide temperature range.
• Low Dropout Voltage: The low dropout voltage allows for efficient operation even with low input voltages.
• Low Noise: The ADR4520ARZ-R7 produces minimal output noise, making it suitable for noise-sensitive applications.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient - Low dropout voltage - Low noise output

Disadvantages: - Limited output voltage range (2.048V)

Working Principles

The ADR4520ARZ-R7 utilizes a bandgap reference circuit to generate a stable and accurate voltage output. It compensates for temperature variations by employing a feedback mechanism that adjusts the output voltage accordingly. This ensures consistent performance across a wide temperature range.

Detailed Application Field Plans

The ADR4520ARZ-R7 is commonly used in various applications, including:

1. Precision Instrumentation: The high precision and low temperature coefficient make it suitable for use in precision measurement equipment.
2. Data Acquisition Systems: The stable and accurate voltage output is essential for reliable data acquisition in industrial and scientific applications.
3. Power Management: The low dropout voltage and low noise characteristics make it ideal for voltage regulation in power management circuits.
4. Analog-to-Digital Converters (ADC): The ADR4520ARZ-R7 can be used as a reference voltage source for ADCs, ensuring accurate conversion of analog signals.

Detailed and Complete Alternative Models

1. ADR4525ARZ-R7: Similar to ADR4520ARZ-R7 but with a higher output voltage range of 2.5V.
2. ADR4530ARZ-R7: Similar to ADR4520ARZ-R7 but with a higher output voltage range of 3.0V.
3. ADR4540ARZ-R7: Similar to ADR4520ARZ-R7 but with a higher output voltage range of 4.096V.

These alternative models offer different output voltage options while maintaining similar characteristics and package options.

In conclusion, the ADR4520ARZ-R7 is a high-precision voltage reference IC with low temperature coefficient, low dropout voltage, and low noise characteristics. It finds applications in precision instrumentation, data acquisition systems, power management, and ADCs. Alternative models with different output voltage ranges are also available for specific requirements.