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FSA221

Fairchild Semiconductor
Part Number FSA221
Manufacturer Fairchild Semiconductor
Description USB2.0 High-Speed (480Mbps) and Audio Switches
Published Nov 24, 2006
Detailed Description FSA221 — USB2.0 High-Speed and Audio Switches with Negative Signal Capability March 2013 FSA221 — USB2.0 High-Speed (4...
Datasheet PDF File FSA221 PDF File

FSA221
FSA221

Overview
FSA221 — USB2.
0 High-Speed and Audio Switches with Negative Signal Capability March 2013 FSA221 — USB2.
0 High-Speed (480Mbps) and Audio Switches with Negative Signal Capability Features  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  Cell Phone, PDA, Digital Camera, and Notebook  LCD Monitor, TV, and Set-Top Box Description 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.
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.
Ordering Information Part Number FSA221L10X FSA221MUX FSA221UMX Package Number MAC10A MUA10A UMLP10A Top Mark Package Description GK FSA221 GL 10-Lead MicroPak™, JEDEC MO-255, 1.
6 x 2.
1mm 10-Lead MSOP JEDEC MO-187, 3.
0 mm Wide 10-Lead Quad, Ultrathin MLP, 1.
4 x 1.
8mm Vbus VAUDIO D+ R D -L © 2006 Fairchild Semiconductor Corporation FSA221 • Rev.
1.
1.
0 Switch Select Control Circuitry ASel Rpd GND D + /R D-/L Figure 1.
Analog Symbol www.
fairchildsemi.
com FSA221 — USB2.
0 High-Speed and Audio Switches with Negative Signal Capability Pin Assign...


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