- DescriptionTheTDA2822 is a dual-channel, single-chip power amplifier integrated circuit developed by StMICROelectronics. It is commonly used as an audio amplifier in portable cassette players, cassette recorders, and multimedia active speakers. It has the characteristics of simple circuit, good sound quality, wide voltage range and so on. It can work in the circuit form of stereo sound and bridge amplification (BTL).DatasheetPin NumberPin NameDescription1, 3OutputProvides the amplified Audio output5, 8Inverting Input (IN-)The Inverting Pin of an amplifier is normally grounded6, 7Non-Inverting Input (IN )The Non-Inverting pin is provided with the audio signal4Vcc-Connected to the negative supply rail2Vcc Connected to Positive Supply RailFeaturesSupply Voltage: 3-15VOutput Power: 3.2 WAudio – Load Impedance: 8 OhmsGain: 39 dBOperating Supply Current: 12 mAIb – Input Bias Current: 0.1 uAPSRR – Power Supply Rejection Ratio: 40 dBPackage: SOP-8Package includes: 1×TDA2822 SOP-8 SMD IC
