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TDA7342N 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7342N 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 20 page  TDA7342 Block diagram and pin descriptions 5/20 1 Block diagram and pin descriptions 1.1 Block diagram Figure 1. Block diagram 1.2 Pin description Figure 2. Pin connections (Top view) 13 12 10 11 L1 L2 L3 L1 L2 L3 M 7 8 5 R1 R2 R3 R1 R2 R3 M M CD GND 6 INPUT SELECTOR + GAIN LEFT INPUTS CD RIGHT INPUTS SUPPLY 30 31 29 ZERO CROSS + MUTE SOFT MUTE OUT(L) IN(L) 16 15 LOUD+ VOL ZERO CROSS + MUTE LOUD+ VOL BASS BASS LOUD(L) 9 TREBLE TREBLE 10 μF C9 314 CSM OUT(R) CREF IN(R) 2 4 LOUD(R) BIN(L) 18 17 BOUT(R) BIN(R) 20 19 1 TREBLE(R) SPKR ATT MUTE SPKR ATT MUTE SPKR ATT MUTE SPKR ATT MUTE TREBLE(L) 32 23 28 27 26 24 25 22 OUT LEFT FRONT OUT LEFT REAR SCL SDA DIGGND OUT RIGHT FRONT OUT RIGHT REAR D94AU104B BUS SERIAL BUS DECODER + LATCHES MONO INPUT C1 C2 C6 C3 C7 C8 C4 C5 C10 C12 47nF CSM 47nF C14 100nF C15 100nF 4.7K C16 2.7nF C19 2.7nF C18 100nF C17 100nF C13 47nF C11 R2 4.7K 21 SM VS R1 1 2 3 5 6 4 7 8 11 12 13 14 15 16 32 30 31 29 28 27 26 25 19 18 17 24 23 22 20 21 IN R2 IN R3 LOUD R IN R TR R OUT R IN R1 MONO SM BIN R BOUT L BIN L OUT RF OUT LR BOUT R OUT RR D94AU105A 910 |
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