SGM7223 Datasheet, PDF (1/13 Pages) SG Micro Corp – DPDT Analog Switch

SGM7223
High Speed USB 2.0
(480Mbps) DPDT Analog Switch
GENERAL DESCRIPTION
FEATURES
The SGM7223 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.
SGM7223 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 SGM7223 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.
 R_ON is Typically 4.5Ω at 3.0V
 Low Bit-to-Bit Skew: 50ps (TYP)
 Voltage Operation: 1.8V to 4.3V
 Fast Switching Times:
t_ON 11ns
t_OFF 20ns
 Low Crosstalk: -33dB at 250MHz
 Power-Off Protection when V₊ = 0V,
D+/D- Pins can Tolerate up to 5.25V
 High Off-Isolation: -30dB at 250MHz
 Rail-to-Rail Input and Output Operation
 Break-Before-Make Switching
 Extended Industrial Temperature Range:
-40℃ to +85℃
 Available in Green TQFN-2.1×1.6-10L Package
The SGM7223 contains special circuitry on the D+/D-
pins which allows the device to withstand a V_BUS short to
D+ or D- when the USB devices are either powered off or
powered on.
SGM7223 is available in Green TQFN-2.1×1.6-10L
package. It operates over an ambient temperature range
of -40℃ to +85℃.
APPLICATIONS
Route Signals for USB 2.0
MP3 and Other Personal Media Players
Digital Cameras and Camcorders
Portable Instrumentation
Set-Top Boxes
PDAs
BLOCK DIAGRAM
HSD1+
D+
HSD2+
HSD1-
D-
HSD2-
LOGIC
S
OE
SG Micro Corp
www.sg-micro.com
REV. A. 2