HLF KA2281 – 5-Dot Dual LED Level Meter Driver (DIP16) | Audio Display Driver IC | 3.5V–16V, –20°C to +75°C | Through-Hole Package

The HLF KA2281 (DIP16) is a dual 5-dot LED level meter driver designed for audio level display and signal monitoring applications. Each channel drives up to five LEDs, enabling visual indication of signal strength in stereo systems, VU meters, and other audio display circuits. The internal reference and precision rectifier simplify design by eliminating the need for external op-amps or complex circuitry.

Its dual-channel architecture, wide supply range, and low power consumption make it a reliable and efficient choice for analog and audio indicator designs.

Key Features:

• Function: Dual 5-Dot LED Level Meter Driver

• Technology: Analog Display Driver

• Operating Voltage: 3.5V – 16V

• Operating Temperature: –20°C to +75°C

• Package Type: DIP16 (Dual In-Line Package)

• Mounting Type: Through-Hole

• Built-in Dual 5-Point LED Drivers

• Internal Rectifier and Reference Voltage Circuit

• Adjustable Input Sensitivity

• Low Power Consumption

• Direct Drive for LEDs (No External Transistors Needed)

Applications:

• Stereo Audio Level Meters

• VU and Peak Level Displays

• Signal Strength Indicators

• Audio Mixing and Monitoring Equipment

• Portable and Consumer Audio Devices