AD581UH/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low temperature coefficient, military-grade
• Package: Ceramic DIP (Dual In-Line Package)
• Essence: Precision voltage reference with excellent stability and accuracy
• Packaging/Quantity: Available in tubes, 25 units per tube

Specifications

• Voltage Output: 2.5V
• Temperature Coefficient: ±10ppm/°C
• Operating Temperature Range: -55°C to +125°C
• Supply Voltage: 4.5V to 30V
• Output Current: 10mA
• Line Regulation: 0.1mV/V
• Load Regulation: 0.3mV/mA
• Initial Accuracy: ±0.1%
• Long-Term Stability: ±50ppm/year

Pin Configuration

The AD581UH/883B has a standard 8-pin dual in-line package (DIP) configuration:

```

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| | --| Vout NC |-- --| Vin GND |-- --| Trim NC |-- --| NC NC |-- |___________| ```

Functional Features

• High precision voltage reference for precise voltage regulation applications.
• Low temperature coefficient ensures minimal output voltage drift over a wide temperature range.
• Military-grade construction guarantees reliability and durability in harsh environments.
• Trim pin allows fine adjustment of the output voltage.

Advantages

• Excellent long-term stability ensures consistent performance over extended periods.
• Wide operating temperature range makes it suitable for various industrial and military applications.
• High accuracy and low temperature coefficient make it ideal for precision measurement equipment.
• Robust ceramic DIP package provides protection against environmental factors.

Disadvantages

• Relatively high power consumption compared to newer, low-power voltage references.
• Limited output current capability may not be suitable for high-current applications.
• Higher cost compared to standard voltage references due to military-grade specifications.

Working Principles

The AD581UH/883B is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent voltage characteristics of semiconductor junctions to generate a stable and accurate reference voltage. The internal circuitry compensates for temperature variations, ensuring minimal drift over a wide temperature range.

Detailed Application Field Plans

• Precision measurement equipment
• Industrial control systems
• Aerospace and defense applications
• Calibration instruments
• Medical devices
• Telecommunications equipment

Alternative Models

• AD581JH: Similar specifications in a hermetically sealed TO-5 package.
• AD581KH: Improved long-term stability with lower drift rate.
• AD581LH: Low-power version with reduced supply current requirements.

Note: This entry provides an overview of the AD581UH/883B voltage reference IC. For more detailed information, please refer to the datasheet provided by the manufacturer.

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