HLF2822B – AB-Class Dual Channel Audio Power Amplifier (DIP8) 1W ×2 @9V (Stereo, 8Ω) | 2W @9V (BTL, 16Ω) | 1.8V–12V, 0°C to +70°C | Through-Hole Package

The HLF2822B (DIP8) is a compact AB-class dual-channel audio power amplifier designed for high-fidelity sound output in low-voltage applications. It supports both stereo and bridge-tied load (BTL) configurations, providing up to 1W ×2 stereo output at 9V (8Ω load) or 2W BTL output at 9V (16Ω load).

Operating across a wide voltage range of 1.8V to 12V with a low quiescent current of 6mA, the HLF2822B offers excellent audio quality with low distortion and noise. It’s well-suited for portable, consumer, and multimedia audio products requiring high efficiency and small form factor.

Key Features:

• Function: Dual (Stereo) Audio Power Amplifier / BTL Mode Capable

• Technology: AB-Class

• Operating Voltage: 1.8V – 12V

• Quiescent Current: 6mA (typical)

• Output Power:

  • 1W ×2 @9V (Stereo, 8Ω)

  • 2W @9V (BTL, 16Ω)

• Total Harmonic Distortion (THD): Low

• Operating Temperature: 0°C to +70°C

• Package Type: DIP8 (Dual In-line Package)

• Mounting Type: Through-Hole

• Compact and Efficient AB-Class Design

• Stereo or Bridge-Tied Load (BTL) Operation

• Low Quiescent Current and Low Distortion

• Ideal for Portable and Battery-Powered Systems

Applications:

• Portable and Multimedia Audio Systems

• Radios and Intercoms

• Compact Consumer Electronics

• Battery-Operated Speakers