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3 Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Preliminary Datasheet Pin Description PIN Number PIN Name Function 1, 11, 13, 20 GND Ground reference, it is better to connect with thermal pad. 2 Gain0 Internal gain setup 0, see table-1 below. 3 Gain1 Internal gain setup 1, see table-1 below. 4 OUTL+ Left channel positive output 5 LIN- Left channel negative input 6, 15 PVDD Power supply for output stage 7RIN+ Right channel positive input for differential input, AC ground for Single-ended input. 8 OUTL- Left channel negative output 9LIN+ Left channel positive input for differential input, AC ground for Single-ended input 10 BYPASS Internal reference voltage pin, connect a 1.0 µF ceramic capacitor to GND 12 NC No connected 14 OUTR- Right channel negative output 16 VDD Power supply for analog circuit 17 RIN- Right channel negative input 18 OUTR+ Right channel positive output 19 SHUTDOWN Shutdown mode select, L - Shutdown enable H - Shutdown disable, normal work |
