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Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers
will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor
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FSA223 — USB2.0 High-Speed (480Mbps) and Audio Switches with Negative Signal Capability
November 2012
FSA223 — USB2.0 High-Speed (480Mbps) and
Audio Switches with Negative Signal Capability
Features
HS-USB: 4
Ω
Typical On Resistance
HS-USB: 4.5 pF Typical On Capacitance
Audio: 3
Ω
Typical On Resistance
-3 db Bandwidth: > 720 MHz
Low Power Consumption
Power-off Protection on Common D+/R, D-/L Ports
Automatically Detects V
CC
for Switch Path Selection
Description
The FSA223 is a Double-Pole, Double Throw (DPDT)
multiplexer that combines a low-distortion audio and a
USB2.0 High-Speed (HS) switch path. This
configuration enables audio and USB data to share a
common connector port. The architecture is designed to
allow both audio and USB signals to swing below
ground. This means a common USB and headphone
jack can be used for personal media players and
portable peripheral devices.
Since USB2.0 is an industry standard for shared data-
path in portable devices, the FSA223 also incorporates
a V
CC
detection capability. The FSA223 includes a
power-off feature to minimize current consumption when
V
CC
is not present. This power-off circuitry is available
for the common D+/R, D-/L ports only. Typical
applications involve switching in portables and
consumer applications, such as cell phones, digital
cameras, and notebooks with hubs or controllers.
Applications
Cell Phone, PDA, Digital Camera, and Notebook
LCD Monitor, TV, and Set-Top Box
Related Resources
Please refer to tape and reel specifications on
www.fairchildsemi.com;
http://www.fairchildsemi.com/packaging.
IMPORTANT NOTE:
For additional performance information, please contact
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