AN12941A amplifier equivalent, stereo speaker amplifier.
* Speaker amplifier is 1 W × 2-channel: 8 Ω, VCC = 5 V or 2 W × 2-channel: 4 Ω, VCC = 5 V
* Built-in AGC circuit Prevention of the resonance or the vibration by th.
* Notebook PC, LCD monitor with speaker
* Block Diagram
Signal automatic detection SW Audio signal detection se.
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 VCC SP gain high/low SW REG ripple filter pin Input for PCcard Standby on/off control R-channel input Main signal mute on/off control VREF R-channel for volume Audio mi.
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