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ISL54222A Arkusz danych(PDF) 1 Page - Intersil Corporation

Numer części ISL54222A
Szczegółowy opis  High-Speed USB 2.0 (480Mbps) Multiplexer
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Producent  INTERSIL [Intersil Corporation]
Strona internetowa  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL54222A Arkusz danych(HTML) 1 Page - Intersil Corporation

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1
®
FN6902.0
ISL54222A
High-Speed USB 2.0 (480Mbps)
Multiplexer
The Intersil ISL54222A is a single supply dual 2:1 multiplexer
that can operate from a single 1.8V to 3.3V supply. It contains
two SPDT (Single Pole/Double Throw) switches configured as
a DPDT. The part was designed for switching or routing of
USB High-Speed signals and/or USB Full-speed signals in
portable battery powered products.
The 5.7
Ω switches can swing rail-to-rail and were specifically
designed to pass USB full speed data signals that range from
0V to 3.3V and USB high speed data signals that range from
0V to 400mV with a single supply as low as 1.8V. They have
high bandwidth and low capacitance to pass USB high speed
data signals with minimal distortion.
The part can be used in Personal Media Players and other
portable battery powered devices that need to route USB
high-speed signals or full-speed signals to different
transceiver sections of the device while connected to a single
USB host (computer).
The digital logic inputs are 1.8V logic compatible when
operated with a 1.8V to 3.3V supply. The ISL54222A has an
output enable pin to open all the switches and puts the part in
a low power state. It can be used to facilitate proper bus
disconnect and connection when switching between the USB
sources.
The ISL54222A is available in 10 Ld 1.8mmx1.4mm µTQFN,
10 Ld 2.1mmx1.6mm µTQFN, 10 Ld TDFN and 10Ld MSOP
packages. It operates over a temperature range of -40° to
+85°C.
Features
• High-Speed (480Mbps) and Full-Speed (12Mbps)
Signaling Capability per USB 2.0
• 1.8V Logic Compatible
• Low Power All Off State
• Power OFF Protection
• D-/D+ Pins Overvoltage Tolerant to 5.5V
• -3dB Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . 780MHz
• Low ON Capacitance. . . . . . . . . . . . . . . . . . . . . . . . 6.7pF
• Low ON-Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . 5.7
Ω
• Single Supply Operation (VDD) . . . . . . . . . . . . 1.8V to 3.3V
• Available in µTQFN, TDFN, MSOP Packages
• Pb-Free (RoHS Compliant)
• Compliant with USB 2.0 Short Circuit and Overvoltage
Requirements Without Additional External Components
• HBM ESD Performance I/O to GND . . . . . . . . . . . >12kV
Applications
• MP3 and other Personal Media Players
• Cellular/Mobile Phones
•PDA’s
• Digital Cameras and Camcorders
• USB Switching
Application Block Diagram
PORTABLE MEDIA DEVICE
ISL54222A
USB
TRANSCEIVER
HIGH-SPEED
D-
D+
SEL
GND
HSD1-
HSD1+
HSD2-
HSD2+
VDD
OE
LOGIC CIRCUITRY
µCONTROLLER
USB
TRANSCEIVER
FULL-SPEED
VBUS
D-
D+
GND
OR
FULL-SPEED
HIGH_SPEED
OR
#1
#2
Data Sheet
May 13, 2009
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


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