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NCN1154 - DP3T USB 2.0 High Speed / Audio Switch

General Description

Pin # Name 1 D+ 2 Tx 3 VCC 4 Rx 5 D 6 R 7 IN2 8 COM 9 GND 10 COM+ 11 IN1 12 L TRUTH TABLE IN1 0 0 1 1 Direction I/O I/O Power I/O I/O I/O Input I/O Power I/O Input I/O Description Positive Data Line for USB Signals Transmit Data Line for UART Signals P

Key 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 NCN1154 is housed in a space.
  • saving, ultra low profile 2.0x1.7x0.5mm, 12 pin UQFN package. Features.
  • 3:1 High Speed Switch.
  • USB 2.0, USB 1.1 & USB 1.0 Capable on all Channels.
  • High Bandwidth of 820 MHz on D+/D.
  • Capable of.

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Datasheet Details

Part number NCN1154
Manufacturer onsemi
File Size 589.26 KB
Description DP3T USB 2.0 High Speed / Audio Switch
Datasheet download datasheet NCN1154 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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USB 2.0 High Speed, UART and Audio Switch with Negative Signal Capability NCN1154 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 high speed data or audio signals from an external headset; the 3 channels being compliant to USB 2.0, USB 1.1 and USB 1.0. The switch is capable of passing signals with negative voltages as low as 2 V below ground. The device 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 NCN1154 is housed in a space−saving, ultra low profile 2.0x1.7x0.