The TDA2822 is a Dual Audio Amplifier IC, meaning it has two Op-Amps inside its package, and they are commonly used for audio amplification because of their wide bandwidth gain. The two outputs can deliver 250 milliwatts output power. This IC can be used in portable audio systems, preamplifiers, hearing aid mini radio, headphone amplifier.
Supply Voltage: 3-15V
Output Power: 3.2 W
Audio - Load Impedance: 8 Ohms
Gain: 39 dB
Operating Supply Current: 12 mA
Ib - Input Bias Current: 0.1 uA
PSRR - Power Supply Rejection Ratio: 40 dB
Available in 8-Pin DIP package