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The SGM7227 is a high-speed, low-power double-pole/double-throw (DPDT) analog switch that operates from a single 1.8V to 4.3V power supply.
SGM7227 is designed for the switching of high-speed USB 2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited USB I/Os.
The SGM7227 has low bit-to-bit skew and high channel-to-channel noise isolation, and is compatible with various standards, such as high-speed USB 2.0 (480 Mbps). Each switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. Its bandwidth is wide enough to pass high-speed USB 2.0 differential signals (480 Mb/s) with good signal integrity.
The SGM7227 contains special circuitry on the D+/D- pins which allows the device to withstand a VBUS short to D+ or D- when the USB devices are either powered off or powered on.
SGM7227 is available in Green UTQFN-1.8×1.4-10L and MSOP-10 packages. It operates over an ambient temperature range of -40℃to +85℃.
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• RON is Typically 5Ω at 3.0V
• Voltage Operation: 1.8V to 4.3V
• Fast Switching Times:
tON 15ns
tOFF 20ns
• Crosstalk: -30dB at 250MHz
• Off-Isolation: -35dB at 250MHz
• Rail-to-Rail Input and Output Operation
• Break-Before-Make Switching
• Extended Industrial Temperature Range:
-40℃ to +85℃
• Available in Green UTQFN-1.8×1.4-10L and
MSOP-10 Packages
Route Signals for USB 2.0
MP3 and Other Personal Media Players
Digital Cameras and Camcorders
Portable Instrumentation
Set-Top Box
PDAs
