AD587JQ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low temperature coefficient, low noise
• Package: Ceramic Dual-In-Line Package (DIP)
• Essence: Precision voltage reference with exceptional performance
• Packaging/Quantity: Available in tubes of 25 units

Specifications

• Voltage Output: 10V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 5ppm/°C
• Output Noise Voltage: 1.5µVrms
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 4.5V to 30V
• Quiescent Current: 1.5mA

Pin Configuration

The AD587JQ has a total of 8 pins arranged as follows:

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| | --| VOUT | --| GND | --| TRIM | --| NC | --| VIN | --| NC | --| V+ | |___________| ```

Functional Features

• High precision and stability over a wide temperature range
• Low output noise for accurate measurements
• Low temperature coefficient ensures minimal drift
• Trim pin allows fine adjustment of the output voltage
• Wide supply voltage range for versatile applications

Advantages

• Exceptional accuracy and stability
• Low noise output for precise measurements
• Wide operating temperature range
• Versatile supply voltage options
• Fine adjustment capability for precise calibration

Disadvantages

• Relatively high quiescent current compared to some alternatives
• Limited pin configuration options

Working Principles

The AD587JQ is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent voltage characteristics of a bipolar transistor to generate a stable reference voltage. This voltage is then amplified and regulated to provide a precise output voltage.

Application Field Plans

The AD587JQ is commonly used in applications that require high-precision voltage references, such as:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Calibration equipment
5. Test and measurement instruments

Alternative Models

For those seeking alternative models with similar functionality, the following options are available:

1. LT6654: Precision Voltage Reference with Low Noise and Low Drift
2. MAX6126: Ultra-High-Precision Voltage Reference
3. REF5050: High-Precision Voltage Reference with Integrated Temperature Sensor

These alternatives offer comparable performance and can be considered based on specific application requirements.

In conclusion, the AD587JQ is a high-precision voltage reference IC with exceptional accuracy and stability. Its low noise output, wide operating temperature range, and fine adjustment capability make it suitable for various precision measurement and calibration applications. However, its relatively higher quiescent current and limited pin configuration should be taken into consideration when selecting the appropriate voltage reference for a specific application.