AD780AR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics:
  • High precision and stability
  • Low temperature coefficient
  • Wide operating voltage range
• Package: SOIC-8
• Essence: Provides a stable reference voltage for various electronic circuits
• Packaging/Quantity: Available in reels of 2500 units

Specifications

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

Detailed Pin Configuration

The AD780AR has the following pin configuration:

```

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| | --| VOUT NC |-- Pin 1: No Connection --| GND VDD |-- Pin 2: Positive Power Supply --| TRIM TRIM|-- Pin 3: Trim Terminal --| NC GND |-- Pin 4: Ground |___________| ```

Functional Features

• Provides a precise and stable reference voltage
• Low output noise and ripple
• Excellent long-term stability
• Low power consumption
• Fast start-up time

Advantages

• High accuracy and stability ensure reliable performance
• Wide operating voltage range allows for versatile applications
• Low temperature coefficient minimizes errors due to temperature variations
• Small package size enables space-saving designs
• Low power consumption extends battery life

Disadvantages

• Limited output voltage options (only 2.5V)
• Not suitable for high-current applications

Working Principles

The AD780AR is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS circuitry to generate a stable reference voltage. The internal circuit compensates for temperature variations, ensuring accurate output even in extreme operating conditions.

Detailed Application Field Plans

The AD780AR is commonly used in various electronic systems that require a precise and stable reference voltage. Some typical applications include:

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

Detailed and Complete Alternative Models

• AD780BN: DIP-8 package, same specifications as AD780AR
• LT1236: SOT-23 package, 2.5V voltage reference with similar characteristics
• MAX6126: SOT-23 package, ultra-low noise voltage reference with adjustable output

These alternative models offer similar functionality and can be considered as substitutes for the AD780AR depending on specific requirements.

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