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廬

ISL54200

Data Sheet

July 11, 2007

FN6408.1

USB 2.0 High/Full Speed Multiplexer

The Intersil ISL54200 dual 2:1 multiplexer IC is a single

supply part that can operate from a single 2.7V to 5.5V supply.

It contains two SPDT (Single Pole/Double Throw) switches

configured as a DPDT. The part was designed for switching

between USB High-Speed and USB Full-Speed sources in

portable battery powered products.

The 7

惟

normally-closed (NC) FSx switches can swing rail-to-

rail and were specifically designed to pass USB full speed

data signals (12Mbps) that range from 0V to 3.6V. The 4.5

惟

normally-open (NO) HSx switches have high bandwidth and

low capacitance and were specifically designed to pass USB

high speed data signals (480Mbps) with minimal distortion.

The part can be used in Personal Media Players and other

portable battery powered devices that need to switch between

a high-speed transceiver and a full-speed transceiver while

connected to a single USB host (computer).

The digital logic inputs are 1.8V logic compatible when

operated with a 2.7V to 3.6V supply. The part has an enable

pin to open all switches. It can be used to facilitate proper bus

disconnect and connection when switching between the USB

sources.

The ISL54200 is available in a 10 Ld 3mmx3mm TDFN and a

small 10 Ld 2.1mmx1.6mm 碌TQFN packages. It operates

over a temperature range of -40 to +85擄C.

Features

鈥?High Speed (480Mbps) and Full Speed (12Mbps)

Signaling Capability per USB 2.0

鈥?1.8V Logic Compatible (2.7V to +3.6V supply)

鈥?Enable Pin to Open all Switches

鈥?-3dB Frequency

- HSx Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880MHz

- FSx Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550MHz

鈥?Crosstalk @ 1MHz. . . . . . . . . . . . . . . . . . . . . . . . . . -70dB

鈥?Off Isolation @ 100kHz . . . . . . . . . . . . . . . . . . . . . . -98dB

鈥?Single Supply Operation (V

DD

) . . . . . . . . . . . . 2.7V to 5.5V

鈥?Available in Ultra-thin

碌

TQFN and TDFN Packages

鈥?Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

鈥?MP3 and other Personal Media Players

鈥?Cellular/Mobile Phones

鈥?PDA鈥檚

鈥?Digital Cameras and Camcorders

Application Block Diagram

3.3V

碌CONTROLLER

V

DD

ISL54200

IN

VBUS

USB CONNECTOR

LOGIC CIRCUITRY

4M惟

D-

COMD1

D+

COMD2

GND

GND

PORTABLE MEDIA DEVICE

FSD2

FSD1

USB

FULL-SPEED

TRANSCEIVER

HSD1

HSD2

USB

HIGH-SPEED

TRANSCEIVER

EN

1

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. 2007. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

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