KA2283 Integrated Circuit

The KA2283 Integrated Circuit is a highly reliable 5-point LED level indicator IC designed for audio signal level monitoring and visual display applications. Moreover, it provides a simple yet effective way to measure and display audio signal strength without requiring complex external circuitry. Its internal precision rectifier and LED driver stages allow for accurate level indication across a wide dynamic range. Because original units of the KA2283 have become less common in today’s component market, this device is now considered new and rare, making it especially valuable for audio technicians and engineers who restore classic audio equipment.

Additionally, the KA2283 is supplied in brand-new condition, ensuring long-term reliability and stable operation. Its DIP package makes it easy to integrate into both new PCB layouts and vintage designs. Furthermore, this IC is capable of driving LEDs directly, eliminating the need for additional transistors or driver components, which simplifies the entire circuit design.

Key Features

• 5-point LED level meter driver IC

• Accurate audio signal detection and rectification

• Supports both bar and dot display modes

• Simple interface with minimal external components

• Rare and original component supplied in new condition

Typical Applications

• VU meters for audio amplifiers

• Signal monitoring in cassette decks and stereo systems

• LED sound-level indicators for DIY audio projects

• Audio visualization in electronic instruments

• Restoration of classic audio equipment requiring authentic components

In addition, the KA2283 Integrated Circuit offers a high input sensitivity, allowing effective monitoring of low-level audio signals. Consequently, it is widely used in compact audio devices where visual feedback is needed but space and power consumption are limited. Therefore, engineers appreciate its ease of use, stable performance, and compatibility with a variety of LED configurations.

Datasheet Specifications

• Device Type: 5-LED Level Indicator Driver IC

• Input Voltage Range: 3.5V – 12V

• LED Drive Current: Approx. 10 mA per LED

• Display Modes: Bar / Dot

• Sensitivity Adjustment: Supported

• Package: DIP

• Pin Functions:

  • Input Signal

  • Power (Vcc)

  • Ground

  • LED Outputs (1–5)

Why This Component Is Highly Valued

• Provides accurate and stable audio signal visualization

• Reduces component count due to built-in LED drivers

• Hard to find in genuine new condition

• Ideal for audio equipment restoration and creative DIY designs