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| Posted: 04 Aug 2011 06:10 AM PDT TDA2822 amplifier circuit ( BTL & Stereo ). TDA2822 is a monolithic integrated audio amplifier circuit that can be configured in stereo mode or bridge mode (BTL). The IC has low crossover distortion, low quiescent current and is available in 16 pin power DIP package. The TDA2822 can be operated from a supply voltage range of 3V to 15V. The main applications of TDA2822 are headphone amplifier, portable audio systems, mini radio, hearing aid, preamplifier etc. The IC can deliver an output power of 0.65W per channel into a 4 ohm loud speaker @ 6V supply voltage in the stereo mode and 1.35W into a 4 ohm loud speaker @ 6V supply voltage in the bridge mode. Circuit diagram. Circuit description. TDA2822 stereo amplifier circuit. TDA2822 IC configured in stereo mode is shown in fig1. The left channel input is applied to the non inverting input (pin1) of the first built in amplifier stage and the right channel input is applied to the non inverting input (pin 16) of the second built in amplifier. The inverting input of these built in amplifiers are connected to ground using separate 1000uF capacitors (C5 and C6). The amplified outputs (left and right) are...  |
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