Fairchild FSA221 Usb2.0 high-speed (480mbps) and audio switches with negative signal capability Datasheet

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FSA221 — USB2.0 High-Speed (480Mbps) and
Audio Switches with Negative Signal Capability
Features
Description
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The FSA221 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 audio signals to swing below ground. This means
a common USB and headphone jack can be used for
personal media players and portable peripheral devices.
HS-USB: 4Ω Typical On Resistance
HS-USB: 4.5pF Typical On Capacitance
Audio: 3Ω Typical On Resistance
-3db Bandwidth: > 720MHz
Low Power Consumption
Power-off Protection on Common D+/R, D-/L Ports
Automatically Detects Vbus for Switch Path
Selection
Applications
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Cell Phone, PDA, Digital Camera, and Notebook
LCD Monitor, TV, and Set-Top Box
Since USB2.0 is an industry standard for shared datapath in portable devices, the FSA221 also incorporates
a Vbus detection capability. The FSA221 includes a
power-off feature to minimize current consumption when
Vbus 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.
IMPORTANT NOTE:
For additional performance information, please contact
[email protected]
Ordering Information
Part Number
FSA221L10X
Package Number Top Mark
Eco
Status
Package Description
RoHS
10-Lead MicroPak, JEDEC MO-255, 1.6 x 2.1mm
MAC010A
GK
FSA221MUX
MUA10A
FSA221
RoHS
10-Lead MSOP JEDEC MO-187, 3.0 mm Wide
FSA221UMX
MLP010A
GL
Green
10-Lead Quad, Ultrathin MLP, 1.4 x 1.8mm
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
Vbus
ASel
Switch Select
Control Circuitry
Vaudio
Rpd
D+
GND
D+/R
R
D--
D-/L
L
Figure 1.
© 2006 Fairchild Semiconductor Corporation
FSA221 Rev. 1.0.8
FSA221 Analog Symbol
www.fairchildsemi.com
FSA221 — USB2.0 High-Speed and Audio Switches with Negative Signal Capability
June 2009
FSA221 — USB2.0 High-Speed and Audio Switches with Negative Signal Capability
© 2006 Fairchild Semiconductor Corporation
FSA221 Rev. 1.0.8
www.fairchildsemi.com
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