AD521JDZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low temperature coefficient, low dropout voltage
• Package: DIP (Dual In-line Package)
• Essence: Precision voltage reference
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±10ppm/°C
• Dropout Voltage: 0.5V
• Supply Voltage Range: 4.5V to 36V
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The AD521JDZ has a total of 8 pins arranged as follows:

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

Functional Features

• High precision voltage reference with low temperature coefficient
• Low dropout voltage allows for operation in low voltage systems
• Trim pin for fine-tuning the output voltage
• Wide supply voltage range enables versatile applications

Advantages and Disadvantages

Advantages: - High precision and low temperature coefficient ensure accurate voltage reference - Low dropout voltage allows for efficient operation in low voltage systems - Wide supply voltage range provides flexibility in various applications

Disadvantages: - Limited output voltage options (fixed at 2.5V) - Not suitable for high current applications

Working Principles

The AD521JDZ is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS circuitry to achieve high precision and low temperature coefficient characteristics. The internal circuitry compensates for temperature variations, ensuring a stable output voltage over a wide temperature range.

Application Field Plans

The AD521JDZ is commonly used in various applications that require a precise and stable voltage reference. Some of the typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision instrumentation
5. Sensor calibration

Alternative Models

• AD581: High precision voltage reference with adjustable output voltage
• LM4040: Low dropout voltage reference with different output voltage options
• REF5025: Precision voltage reference with low temperature coefficient

These alternative models offer similar functionality and can be considered as substitutes for the AD521JDZ in specific applications.

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