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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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FDA803U Fiches technique(PDF) 32 Page - STMicroelectronics |
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FDA803U Fiches technique(HTML) 32 Page - STMicroelectronics |
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32 / 76 page  Hardware mute pin FDA803U 32/76 DS12497 Rev 2 8 Hardware mute pin The pin "HWMute" (pin 30) acts as mute command for the channel. The device is muted when this pin is low, while it is in play when this pin is high (low/high threshold in Table 5: Electrical characteristics). Inside the device, connected to this pin a pull-up current generator puts the device in play if left floating. An internal clamp limits the Mute pin voltage. If not used, this pin should remain floating. To drive the Mute pin to get a hardware mute an external pull-down open drain is needed. (See Figure 44), RMute must be < 60 kΩ Figure 44. HWMute pin schematic |
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