Professional IC Distribution & Technical Solutions

The KA2284 is a monolithic integrated circuit manufactured by SAMSUNG. It is primarily used as a level indicator driver, commonly found in audio equipment to drive LED displays for volume or signal level indication.

Specifications:

• Manufacturer: SAMSUNG
• Function: 5-point LED level indicator driver
• Supply Voltage (Vcc): 3.5V to 16V
• Operating Temperature Range: -20°C to +75°C
• Package: DIP-9 (Dual In-line Package, 9 pins)
• Input Resistance: 1MΩ (typical)
• LED Drive Current: 15mA (typical)
• Comparator Reference Voltages: Pre-set for 5-level indication

Descriptions:

• The KA2284 is designed to drive 5 LEDs in a bar or dot display mode, indicating signal levels.
• It includes built-in comparators with fixed reference voltages for accurate level detection.
• Suitable for VU meters, audio level indicators, and other signal monitoring applications.

Features:

• 5-Level LED Driver: Supports 5 distinct voltage thresholds for LED activation.
• Wide Operating Voltage Range: Works from 3.5V to 16V.
• Low Power Consumption: Efficient for battery-operated devices.
• High Input Impedance: Minimizes loading on the input signal source.
• Dot/Bar Mode Selectable: Configurable display mode via an external pin.

This IC is widely used in audio amplifiers, tape decks, and other consumer electronics requiring visual signal level representation.