A typical circuit for the LM4910 two-channel amplifier


Posted on Mar 28, 2007

As shown for the LM4910 typical circuit for two-channel amplifier. Left and right channel audio signals are input LM4910 (MSOP/SO package) 1,2 feet, after an internal amplifier


A typical circuit for the LM4910 two-channel amplifier
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output pin, respectively, by the 8,7,6, added directly to the respective speakers. Amplifier gain Av -Rf/Ri, the maximum power consumption by the PDMAX 4VDD2/2RL. Input of external resistor and capacitor, respectively determine the input -3dB bandwidth taken Ci 1/(2 20k 20Hz), using about 0.39 F capacitor. LM4910 3 feet off the external control, when 3 feet to VDD (high level) when allowed to work, work prohibited ground (low level).




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