Fairchild FSA110UMX Audio and wired-or usb2.0 hi-speed(480mbps) switch with negative signal capability and built-in termination Datasheet

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FSA110 — Audio and Wired-OR USB2.0 Hi-Speed
(480Mbps) Switch with Negative Signal Capability and
Built-in Termination
Features
Description
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The FSA110 is a Double-Pole, Single Throw (DPST)
switch that combines a low-distortion audio path with
low off capacitance for USB applications. This
configuration is ideal for wired-OR configurations,
enabling shared USB2.0 Hi-Speed (HS) and audio on a
single connector. The architecture is designed to allow
audio signals to swing below ground so a common USB
and headphone jack can be used for personal media
players and portable peripheral devices.
6pF Typical Switch Off Capacitance for HS USB
2.5Ω Typical On Resistance for Audio Signaling
Negative-Swing-Capable Audio Channel
Automatic USB Detection Available
Power-Off Protection on the D+/R, D-/L Ports
Flow-Through Pin Out Eliminates PCB Vias
Built-In Termination on Unselected Audio Paths
Inhibits Audio Pop
The FSA110 is configured for default USB transfer,
which gives the user control of when the audio path is
enabled. The audio path defaults to audio mute and is
enabled with /OE. The FSA110 includes a power-off
feature on the common port when VCC=0V to guarantee
signal isolation.
Applications
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Cell Phone, PDA, Digital Camera, and Notebook
LCD Monitor, TV, and Set-Top Box
IMPORTANT NOTE:
For additional performance information, please contact
[email protected].
Ordering Information
Part
Number
Top Mark
FSA110K8X
A110
Green
8-Lead US8, JEDEC MO-187, Variation CA, 3.0mm Wide Package
FSA110UMX
GZ
Green
10-Lead Quad, Ultrathin MLP, 1.4 x 1.8mm
Package Description
Eco Status
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html
VCC
Rpu
Control
Block
R
/OE
D+/R
RT
L
D-/L
RT
Figure 1.
© 2007 Fairchild Semiconductor Corporation
FSA110 Rev. 1.0.2
Analog Symbol
www.fairchildsemi.com
FSA110 — Audio and Wired-OR USB2.0 Hi-Speed Switch with Negative Signal Capability and Built-in Termination
November 2009
FSA110 — Audio and Wired-OR USB2.0 Hi-Speed Switch with Negative Signal Capability and Built-in Termination
12
www.fairchildsemi.com
© 2007 Fairchild Semiconductor Corporation
FSA110 Rev. 1.0.2
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