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PDF FSA321 Data sheet ( Hoja de datos )
| Número de pieza | FSA321 | |
| Descripción | USB2.0 Hi-Speed (480Mbps) and Audio Switches | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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September 2009
FSA321 — USB2.0 Hi-Speed (480Mbps) and Audio
Switches with Negative Signal Capability and Built-in
Termination on Unselected Audio Paths
Features
Audio: 1.8Ω Typical On Resistance
HS-USB: 8Ω Typical On Resistance
HS-USB: 5pF Typical On Capacitance
USB Path -3db Bandwidth: > 720MHz
Negative Swing Capable Audio Channel
Power-off Protection on Common D+/R, D-/L Ports
Automatic USB Detection (Configurable)
Power-Off Protection on all I/O Ports
OVT on all I/O Ports
Flow-Through Pin Out Eliminates PCB Vias
Built-In Termination on Unselected Audio Paths to
Inhibit Audio Pop
Description
The FSA321 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.
Since USB2.0 is an industry standard for shared data-
path in portable devices, FSA321 can be configured for
automatic VBUS detection. The FSA321 includes a
power-off feature as well as over-voltage tolerance to
minimize current consumption when VSW exceeds VCC.
Typical applications involve switching in portables and
consumer applications, such as cell phones, digital
cameras, and notebooks with hubs or controllers.
Applications
MP3, Cell Phone, PDA, Digital Camera, and
Notebook
LCD Monitor, TV, and Set-Top Box
IMPORTANT NOTE:
For additional performance information, please contact
www.DataSheet4U.com
Ordering Information
Part Number Package Number Top Mark
FSA321UMX
MLP010A
GL
Eco Status
Package Description
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.
VCC
A/LP Sel
Rpd
Control
Block
USB Sel
Rpd
D+
R
RT
D-
L
RT
D+/R
D-/L
Figure 1. FSA321 Analog Symbol
© 2007 Fairchild Semiconductor Corporation
FSA321 • Rev 1.0.4
www.fairchildsemi.com
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet FSA321.PDF ] | |
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