1

MP3/USB 2.0 High Speed Switch with Negative

Signal Handling

ISL54206A

The Intersil ISL54206A dual SPDT (Single Pole/Double

Throw) switches combine low distortion audio and

accurate USB 2.0 high speed data (480Mbps) signal

switching in the same low voltage device. When operated

with a 2.7V to 3.6V single supply, these analog switches

allow audio signal swings below-ground, allowing the use

of a common USB and audio headphone connector in

Personal Media Players and other portable battery

powered devices.

The ISL54206A logic control pins are 1.8V compatible,

which allows for control via a standard µcontroller. With a

to switch between the audio and USB signal sources in

the portable device. The part has an audio enable control

pin to open all the switches and put the part in a low

power state.

The ISL54206A is available in a small 10 Ld

2.1mmx1.6mm ultra-thin µTQFN package and a 10 Ld

3mmx3mm TDFN package. It operates over a

temperature range of -40°C to +85°C.

Features

• High Speed (480Mbps) and Full Speed (12Mbps)

Signaling Capability per USB 2.0

• Low Distortion Negative Signal Capability

• Control Pin to Open all Switches and Enter Low

Power State

• Low Distortion Headphone Audio Signals

-THD+N at 20mW into 32Ω Load. . . . . . . <0.1%

• Cross-talk Audio Channels (20Hz to 20kHz) . . -110dB

• -3dB Bandwidth USB Switches. . . . . . . . . 630MHz

• Available in µTQFN and TDFN Packages

• Pb-Free (RoHS Compliant)

• Compliant with USB 2.0 Short Circuit Requirements

Without Additional External Components

Applications*(see page 18)

• MP3 and Other Personal Media Players

• Cellular/Mobile Phones

•PDA’s

• Audio/USB Switching

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”.

• Application Note AN1337 “ISL54206AEVAL1Z

Evaluation Board User’s Manual”.

Application Block Diagram

ISL54206A

USB

TRANSCEIVER

HIGH-SPEED

CODEC

COM-

COM+

IN

GND

D-

D+

L

R

CTRL

µCONTROLLER

4MΩ

VBUS

LOGIC

NOTE: The L and R 50kΩ resistors to ground are not shown.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

Copyright Intersil Americas Inc. 2007, 2010. All Rights Reserved

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

October 28, 2010

FN6515.3