AD8367ARU: High-Performance Variable Gain Amplifier IC by Analog Devices

The AD8367ARU is a premium Variable Gain Amplifier (VGA) manufactured by Analog Devices Inc., a global leader in analog and mixed-signal ICs. Despite being marked as obsolete, this 14-TSSOP packaged IC remains highly sought after for its exceptional linearity, wide bandwidth, and low-noise performance in RF and precision signal processing applications.

Detailed Product Overview

Manufacturer & Technical Specifications

• Manufacturer: Analog Devices Inc. (NASDAQ: ADI)
• Part Number: AD8367ARU
• Package: 14-TSSOP (4.4mm Width)
• RoHS Status: Compliant

Key Electrical Characteristics

• Bandwidth: 500 MHz (-3dB)
• Gain Range: -2.5 dB to +42.5 dB
• Noise Figure: 8 dB (Typical)
• Supply Voltage: 2.7V to 5.5V
• Current Consumption: 26 mA (Typical)
• Operating Temp: -40 C to +85 C

Advanced Features

1. Precision Gain Control

The AD8367ARU provides excellent gain linearity (0.5 dB error max) with a control scaling of 50 mV/dB, making it ideal for AGC (Automatic Gain Control) systems.

2. High-Frequency Performance

With a 500 MHz bandwidth and <45 ns settling time, this VGA excels in RF/IF applications up to L-band frequencies.

3. Low Distortion

Maintains OIP3 of +32 dBm at 100 MHz, ensuring minimal signal degradation in sensitive receiver chains.

Applications

RF Communication Systems

• Base station AGC circuits
• Software-defined radios (SDR)
• RF test equipment

Medical & Industrial

• Ultrasound imaging systems
• Precision instrumentation
• Radar signal conditioning

Consumer Electronics

• High-end audio equipment
• Video broadcasting systems

Design Considerations

For optimal performance:

1. Use controlled impedance PCB layouts (50 recommended)
2. Implement proper power supply decoupling (0.1 F ceramic + 10 F tantalum)
3. Maintain signal path symmetry for differential applications

Why Choose AD8367ARU?

This VGA stands out for its:

• Industry-leading bandwidth for high-frequency applications
• Superior gain accuracy compared to competing models
• Proven reliability in mission-critical systems

Purchase Information

While the AD8367ARU is officially obsolete, we maintain limited stock of authentic Analog Devices units. Contact our sales team for availability and alternative recommendations like the AD8369 for newer designs.

For technical support or volume pricing, visit our product page or call +1 (800) ANALOG-D.