UM7222 Datasheet, PDF (1/10 Pages) Union Semiconductor, Inc. – High-Speed USB2.0 (480 Mbps) DPDT Switch

UM7222/7222A
High-Speed USB2.0 (480 Mbps) DPDT Switch
UM7222 QFN10 1.8×1.4
UM7222A QFN10 2.1×1.6
General Description
The UM7222/UM7222A is a dual port high-speed, low-power data switch optimized for USB 2.0
signal switching. The UM7222/UM7222A switch is configured in double-pole/ double-throw
DPDT. It handles bidirectional signal flow, achieving a 550 MHz -3dB bandwidth, and a port to
port crosstalk and isolation at -50dB at 250MHz.
The UM7222/UM7222A operates from a single +2.7V to +5.5V supply, with current consumption
less than 1 micro amper.
The UM7222/UM7222A features wide bandwidth and low bit-to-bit skew allow it to pass
high-speed differential signal with good signal integrity, offers little or no attenuation of the
high-speed signals at the outputs. Its high channel-to-channel crosstalk rejection results in
minimal noise interface. Its bandwidth is wide enough to pass High-speed USB 2.0 differential
signals (480Mbps). The control logic threshold is guaranteed to be compatible with 1.8V logic.
UM7222 is available in Pb-free QFN10 package (1.4mm×1.8mm×0.55mm), while UM7222A is
available in Pb-free QFN10 package (2.1mm×1.6mm×0.55mm), they are ideal for portable high
speed mix signal switching application.
Applications
Features
 Differential Signal Data Routing
 USB2.0 Signal Routing
 Ron is Typically 6.5Ω at V_CC=3.0V
 Low Bit-to-Bit Skew: Typically 50ps
 Cell Phone, PDA, Digital Camera and  OVT on D+ and D- up to 5.5V
Notebook
 Power OFF Protection:
 LCD Monitor, TV, and Set-top Box
When V_CC=0V, D+ and D- Can Tolerate up
to 5.5V
 Low Crosstalk: -50dB (250MHz)
 Low Current Consumption: 1µA
 Near-Zero Propagation Delay:250ps
 Channel On-Capacitance: 6.5pF(Typical)
 V_CC Operating Range: +2.7V to +5.5V
 550MHz Bandwidth(or Data Frequency)
 Lead (Pb) Free QFN10 Package
 ESD rating: ±4KV I/O to GND
Pin Configurations
Top View
OE 8
HSD1_
7
HSD2_
6
5 D-
VCC 9 CONTROL
4 GND
S 10
3 D+
1
2
M: Monthly Code
HSD1+ HSD2+
UM7222
_______________^U_^M__⁷_²²_²________________________________^Q_^F_^N_¹_⁰________________
http://www.union-ic.com Rev.05 Sep.2013
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