NCN1154 Series

DP3T Data Switch, USB 2.0 High Speed / Audio, with Negative Swing Capability

Catalog

DP3T Data Switch, USB 2.0 High Speed / Audio, with Negative Swing Capability

Part	Features	Supplier Device Package	Supplier Device Package [y]	Supplier Device Package [x]	Applications	Package / Case	-3db Bandwidth	Mounting Type	On-State Resistance (Max) [Max]	Number of Channels [custom]	Voltage - Supply, Single (V+) [Max]	Voltage - Supply, Single (V+) [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Switch Circuit
ON Semiconductor NCN1154MUTAG	Depop	12-UQFN	2	1.7	Audio UART USB	12-UFQFN	820 MHz	Surface Mount	7.5 Ohms	2	5 V	2.7 V	85 °C	-40 °C	DP3T

Catalog

DP3T Data Switch, USB 2.0 High Speed / Audio, with Negative Swing Capability

Key Features

• 3:1 High Speed Switch

• 5.25 V tolerant on common pins

• High Bandwidth of 820 MHz

• Capable of passing negative swing signals down to -2V on R/L channel

• 1.8 V compatible control pin

• Audio channel shunt resistors

• Ultra-low THD

Description

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 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 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 VCCrange which can operate off VCCup to 4.2 V while passing true ground audio signals down to -2 V.