AD587JRZ

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: High precision, low temperature coefficient, low noise
• Package: TO-263-5 (D2PAK)
• Essence: Provides a stable and accurate voltage reference for various applications
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

• Output Voltage Range: 1.235V to 10V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 3ppm/°C
• Line Regulation: 0.0004%/V
• Load Regulation: 0.0004%/mA
• Output Noise Voltage: 1.5µVrms (10Hz to 10kHz)
• Supply Voltage Range: 4.5V to 30V
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The AD587JRZ has a total of five pins:

1. VOUT: Output Voltage
2. TRIM: Trim Terminal for Fine Adjustment
3. NC: No Connection
4. GND: Ground
5. VIN: Input Voltage

Functional Features

• High Precision: The AD587JRZ offers exceptional initial accuracy of ±0.05%, ensuring precise voltage references.
• Low Temperature Coefficient: With a temperature coefficient of only 3ppm/°C, the AD587JRZ maintains stability over a wide range of temperatures.
• Low Noise: The output noise voltage of 1.5µVrms (10Hz to 10kHz) ensures minimal interference in sensitive applications.
• Wide Supply Voltage Range: The AD587JRZ operates within a supply voltage range of 4.5V to 30V, providing flexibility in various systems.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient - Low noise output - Wide supply voltage range

Disadvantages: - Relatively high cost compared to other voltage references - Limited availability in certain regions

Working Principles

The AD587JRZ 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. The internal trimming capability allows fine adjustment of the output voltage, ensuring precise performance.

Detailed Application Field Plans

The AD587JRZ finds applications in various fields, including:

1. Precision Instrumentation: Provides a stable voltage reference for high-precision measurement devices such as multimeters and oscilloscopes.
2. Industrial Control Systems: Ensures accurate voltage references in control systems for industrial automation and process control.
3. Communications Equipment: Used in communication devices to maintain stable voltage levels for reliable operation.
4. Medical Devices: Provides precise voltage references in medical equipment, ensuring accurate measurements and reliable performance.

Detailed and Complete Alternative Models

1. LT6655: Offers similar precision and low noise characteristics with a wide operating temperature range.
2. MAX619: Provides a lower-cost alternative with good accuracy and low temperature drift.
3. REF5050: Features excellent long-term stability and low output noise for demanding applications.

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