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/Title (EVBUM2003DB -NCN1154 DP3T USB 2.0 High Speed Audio Switch Evaluation Board User's Manual)
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BroadVision, Inc.
2019-11-22T14:19:18+08:00
2019-11-22T14:18:43+08:00
2019-11-22T14:19:18+08:00
application/pdf
EVBUM2003DB -NCN1154 DP3T USB 2.0 High Speed Audio Switch Evaluation Board User's Manual
ON Semiconductor
The NCN1154 is a DP3T switch for combined
true−ground audio, USB 2.0 high speed data, and UART
applications. It allows portable systems to use a single port
to pass either USB data or audio signals from an external
headset. The switch is capable of passing signals with
negative voltages as low as 2 V below ground.
The NCN1154 features shunt resistors on the audio ports.
These resistors are switched in when the audio channel is off
and provide a safe path to ground for any charge that may
build up on the audio lines.
This reduces Pop & Click noise in the audio system. The
device has an extended VCC range which can operate off
VCC up to 4.2 V while passing true ground audio signals
down to −2 V.
The NCN1154 is housed in a space saving, ultra low
profile 1.7 x 2.0 x 0.5 mm 12 pin DFN package.
Acrobat Distiller 19.0 (Windows)
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