M61508FP-X (IC911) : E. volume
1. Pin layout & Block diagram
| 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 |
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| 50K |
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| LOUDNESS |
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| VCC |
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| + |
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| VDO |
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| (Digital) |
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| (Anarog) |
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| 3BAND TONE CONTROL |
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| (BASS/MID/TREBLE) |
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| Soft select |
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| Z E RO | CROSS | A |
| 12dB |
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| D E T E C TO R |
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| B |
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| R E F |
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| Z e r o d e t e c t |
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| I / F |
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| Z E RO | CROSS | B | S e l e c t S W |
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| D E T E C TO R | A |
| 12dB |
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| TIMER |
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| DETECTOR |
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| LOUDNESS |
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| + |
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| 3BAND TONE CONTROL |
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| GND |
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| (BASS/MID/TREBLE) |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
2. Pin function |
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Pin No. |
| Symbol |
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| Function |
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1 |
| REF |
| Grand for IC signal |
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2 |
| DEFP IN1 |
| Differential motion amp. Positive terminal |
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3 |
| DEFN IN1 |
| Differential motion amp. Negative terminal |
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4 |
| INA1 |
| Input terminal of input selector switch channel 1 |
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5 |
| INB1 |
| Input terminal of input selector switch channel 1 |
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6 |
| INC1 |
| Input terminal of input selector switch channel 1 |
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7 |
| IND1 |
| Input terminal of input selector switch channel 1 |
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8 |
| DEFN OUT1 | Differential output terminal |
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9 |
| SEL OUT1 | Input selector output terminal |
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10 |
| VOL IN1 |
| Volume 1 input terminal |
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11 |
| TONE OUT1 | Tone output terminal |
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12 |
| FADER IN1 | Volume 2 input terminal |
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13 |
| REAR OUT1 | Fader volume control (Rear) output terminal |
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14 | FRONT OUT1 | Fader volume control (Front) output terminal |
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15 | NonFader OUT1 | Non fader volume output terminal |
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16 |
| GND |
| GND terminal |
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17 |
| DATA |
| Control data input terminal |
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18 |
| VDDOUT1 |
| Test terminal |
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19 |
| VDDOUT2 |
| Test terminal |
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20 |
| CLOCK |
| Clock input terminal for serial data transport |
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21 |
| VDD |
| Power supply terminal for digital |
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22 | NonFader OUT2 | Non fader volume control output terminal |
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23 | FRONT OUT2 | Fader volume (Front) output terminal |
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24 |
| REAR OUT2 | Fader volume (Rear) output terminal |
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25 |
| FADER IN2 | Volume 2 input terminal |
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26 |
| TONE OUT2 | Tone output terminal |
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27 |
| VOL IN2 |
| Volume 1 input terminal |
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28 |
| SEL OUT2 | Input selector output terminal |
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29 |
| DEFN OUT1 | Differential output terminal |
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30 |
| IND2 |
| Input terminal of input selector switch channel 2 |
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31 |
| INC2 |
| Input terminal of input selector switch channel 2 |
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32 |
| INB2 |
| Input terminal of input selector switch channel 2 |
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33 |
| INA2 |
| Input terminal of input selector switch channel 2 |
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34 |
| DEFN IN1 |
| Differential motion amp negative input terminal |
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35 |
| DEFP IN1 |
| Differential motion amp positive input terminal |
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36 |
| VCC |
| Power supply terminal |
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