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          SGM7222

          GENERAL DESCRIPTION

          The SGM7222 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.

          The SGM7222 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 SGM7222 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 (480Mbps). 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 (480Mbps) with good signal integrity.

          The SGM7222 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.

          The SGM7222 is available in Green TQFN-1.8×1.4-10L, MSOP-10 and UTQFN-1.8×1.4-10L packages. It operates over an ambient temperature range of -40 to +85.

          PIN CONFIGURATIONS

          1416277041881.png14162770496331.png

          FEATURES
          • RON is Typically 4.5Ω at 3V

          • Low Bit-to-Bit Skew: 50ps (TYP)

          • Voltage Operation: 1.8V to 4.3V

          • Fast Switching Times:

              tON = 10ns

              tOFF = 22ns

          • Low Crosstalk: -41dB at 250MHz

          • Power-Off Protection when V+ = 0V, D+/D- Pins can Tolerate up to 5.25V

          • High 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 MSOP-10, TQFN-1.8×1.4-10L and UTQFN-1.8×1.4-10L Packages

          APPLICATIONS

          Route Signals for USB 2.0

          MP3 and Other Personal Media Players

          Digital Cameras and Camcorders

          Portable Instrumentation

          Set-Top Boxes

          PDAs

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM7222YMS10/TRProductionMSOP-1010Y-40℃ to +85℃Samples
          SGM7222YWQ10/TRProductionTQFN-1.8×1.4-10L10Y-40℃ to +85℃Samples
          SGM7222YUWQ10/TRProductionUTQFN-1.8×1.4-10L10Y-40℃ to +85℃Samples

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