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FDA903U-KBX 데이터시트(PDF) 32 Page - STMicroelectronics

부품명 FDA903U-KBX
상세설명  1 x 45 W class D digital input automotive power amplifier with ILoad current monitoring, wide voltage operation range for car audio and telematic
PDF  80 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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FDA903U-KBX 데이터시트(HTML) 32 Page - STMicroelectronics

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Hardware mute pin
FDA903U
32/80
DS12498 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 47), RMute must be < 60 kΩ
Figure 47. HWMute pin schematic



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