The TDA2822M is a low-voltage dual Class-AB audio power amplifier from STMicroelectronics, designed for portable audio applications. It can be configured as either a stereo amplifier (2-channel) or a bridge (BTL) mono amplifier for higher output power. Key Specifications Parameter Value Manufacturer STMicroelectronics Part Number TDA2822M Package DIP-8 (Mini DIP) Supply Voltage 1.8V to 15V Amplifier Type Class-AB Channels Stereo (2×) or Mono BTL Output Power Up to 2W (BTL), up to 1W × 2 (Stereo, depending on supply/load) Low Quiescent Current Yes Low Crossover Distortion Yes Mounting Through Hole Applications • Portable speakers • Battery-powered audio amplifiers • Intercom systems • Radios • Toys • DIY amplifier projects • Headphone amplifiers • Cassette players Features • Wide operating voltage (1.8V–15V) • Stereo or Bridge (BTL) configuration • Minimal external components required • Good audio quality with low distortion • Ideal for low-power speaker applications Important Note The original STMicroelectronics TDA2822M has been marked obsolete, although it remains widely available through existing stock and compatible manufacturers.