AD780AN

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low temperature coefficient, low noise
• Package: DIP (Dual In-line Package)
• Essence: Provides a stable and accurate voltage reference for electronic circuits
• Packaging/Quantity: Typically sold in packs of 10 or 25 units

Specifications

• Output Voltage Range: 1.2V to 12V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 5ppm/°C
• Supply Voltage Range: 4V to 36V
• Quiescent Current: 1.5mA

Detailed Pin Configuration

The AD780AN has a standard 8-pin DIP package with the following pin configuration:

```

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| | --| Vout NC |-- Pin 1: Output Voltage --| Vin GND |-- Pin 2: Ground --| NC Vref |-- Pin 3: Reference Voltage --| NC Trim |-- Pin 4: Trimming --| NC Trim |-- Pin 5: Trimming --| NC Vcc |-- Pin 6: Supply Voltage --| NC NC |-- Pin 7: Not Connected --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• High Precision: The AD780AN provides a highly accurate and stable output voltage, ensuring precise operation of electronic circuits.
• Low Temperature Coefficient: It exhibits minimal variation in output voltage with changes in temperature, making it suitable for applications requiring temperature stability.
• Low Noise: The voltage reference is designed to minimize noise interference, resulting in cleaner and more reliable circuit performance.

Advantages and Disadvantages

Advantages

• High precision and stability
• Low temperature coefficient ensures accurate performance across varying temperatures
• Low noise interference for improved circuit reliability

Disadvantages

• Limited output voltage range (1.2V to 12V)
• Relatively high quiescent current (1.5mA)

Working Principles

The AD780AN utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a combination of bipolar and CMOS technologies, resulting in low temperature coefficient characteristics.

Detailed Application Field Plans

The AD780AN is commonly used in various electronic applications that require a precise and stable voltage reference. Some typical application fields include: - Analog-to-Digital Converters (ADCs) - Digital-to-Analog Converters (DACs) - Voltage regulators - Precision measurement equipment - Sensor calibration circuits

Detailed and Complete Alternative Models

• LM4040: Another popular voltage reference IC with similar characteristics and package options.
• REF102: Offers higher precision and lower temperature coefficient compared to the AD780AN.
• LT6654: Provides ultra-low noise performance and wider output voltage range.

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