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TDA7449 Datasheet(PDF) 5 Page - STMicroelectronics |
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TDA7449 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 17 page ![]() 0/30dB 2dB STEP MUXOUTL VOLUME VOLUME TREBLE TREBLE TREBLE(L) BASS BASS MUXOUTR TREBLE(R) SPKR ATT LEFT LOUT SCL SDA DIG_GND ROUT D98AU849A I 2CBUS DECODER+ LATCHES 100K 100K G L-IN1 L-IN2 100K 100K R-IN2 R-IN1 G INPUT MULTIPLEXER + GAIN BOUT(L) SPKR ATT RIGHT BOUT(R) SUPPLY CREF AGND VS BIN(L) 5 8 9 6 7 19 20 18 4 2 3 11 17 12 13 1 10 16 15 14 RB RB VREF C9 5.6nF 150nF 330nF R2 2K C10 5.6nF 150nF 330nF R1 C3 0.47 µF C4 0.47 µF C1 0.47 µF C2 0.47 µF C11 10 µF 1 2 3 4 5 RCA J3 J4 CON3 IN2L IN1L GND GND GND IN1L RCA J2 J1 CON IN1R IN2R GND GND IN1R 1 2 3 4 1 2 3 4 MOUTR GND MOUTL J5 J5 CON4 GND C5 C6 2K C8 C7 1 2 3 4 J6 CON4 R3 30 JP1 JUMPER +9 V 1 2 3 4 J10 CON4 J8 J9 OUT_ R OUT_L OUT_R OUT_L 1 2 +9V J7 CON2 C13 100nF C12 22 µF +V8 GND TEST CIRCUIT P.C.Board TDA7449 5/17 |