USB2.0 (480Mbps) Double-pole Double-throw(DPDT) Analog Switch features a Low On Capacitance 3.7pf Typical
Tech Public's TP7222 is a Low-Power, Two-Port, High-Speed, USB2.0(480Mbps) double-pole double-throw(DPDT) Analog Switch featuring an On-Resistance of 4.5 ohm at VCC=3V and a Low On Capacitance 3.7pf Typical.
Fig.1 Pin Configuration
The TP7222 is compatible with the requirements of USB2.0 and the wide bandwidth needed to pass the third harmonic, resulting in signals with minimum edge and phase distortion. Superior channel-to-channel crosstalk also minimizes interference. The break-before-make function for both parts eliminates signal disruption during switching from preventing both switches from being enabled simultaneously.
The TP7222 contains special circuitry on the switch I/O pins for applications where the VCC supply is powered-off(VCC=0), which allows the device to withstand an over-voltage condition. This device is designed to minimize current consumption even when the control voltage applied to the Sel pin is lower than the supply voltage(VCC). This feature is especially valuable to ultra-portable applications, such as cell phones, allowing for direct interface with the general-purpose I/Os of the baseband processor. Other applications include switching and connector sharing in portable cell phones, PDAs, digital cameras, printers, and notebook computers.
features
●Wide Power Supply Range:2.3V to 5V
●Low On Capacitance 3.7pf Typical
●Low On-Resistance 4.5Ω(typ) at 3V VDD when Vsw=0.4V
● High Bandwidth(-3db):>720 Mhz without CL and >550 MHz with CL=5pF
●Low Power Consumption:1uA Maximum
● ESD: pass 8kV HBM test
●Overvoltage Tolerance(OVT) on all USB ports up to 5.25V without external components
●TTL/CMOS Compatible
● Break-Before-Make Switching
●Operation Temperature Range:-40℃ to 85℃
●UTQFN1.8×1.4-10L and MSOP10L Package
Electrical parameters
Table.1 ABSOLUTE MAXIMUM RATINGS
Applications
●Cell phones
●PDAs
●Digital camera
●Notebook
●LCD Monitor
●TV
●SET-TOP BOX
Ordering Information
Table.2
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