Datasheet > ISL54209IRUZ-T

ISL54209IRUZ-T

更新时间： 2024-11-24 04:44:51

品牌	Logo	应用领域
英特矽尔 - INTERSIL		开关
页数	文件大小	规格书
15页	729K
描述
MP3/USB 2.0 High Speed Switch with Negative Signal Handling and Low Power Shutdown

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ISL54209IRUZ-T 数据手册

ISL54209

Data Sheet

December 20, 2007

FN6627.0

MP3/USB 2.0 High Speed Switch with

Negative Signal Handling and Low Power

Shutdown

Features

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

Signaling Capability per USB 2.0

The Intersil ISL54209 dual SPDT (Single Pole/Double Throw)

switch combines low distortion audio and accurate USB 2.0

high speed data (480Mbps) signal switching in the same low

voltage device. When operated with a 2.5V to 5.0V single

supply, this analog switch allows 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.

• Low Distortion Negative Signal Capability

• Low Power Shutdown State

• Low Distortion Headphone Audio Signals

- THD+N at 20mW into 32Ω Load . . . . . . . . . . . . <0.07%

• Crosstalk (100kHz) . . . . . . . . . . . . . . . . . . . . . . . . . -95dB

• OFF Isolation (100kHz) . . . . . . . . . . . . . . . . . . . . . . 95dB

• Single Supply Operation (V ) . . . . . . . . . . . . 2.5V to 5.0V

The ISL54209 logic control pins are 1.8V compatible, which

allows for control via a standard µcontroller. With a VDD

voltage in the range of 2.5V to 3.6V, the IN pin voltage can

• -3dB Bandwidth USB Switch. . . . . . . . . . . . . . . . . 736MHz

• Available in µTQFN and TDFN Packages

exceed the VDD rail allowing the USB 5V V

voltage from

BUS

a computer to directly drive the IN pin 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.

• Compliant with USB 2.0 Short Circuit Requirements

Without Additional External Components

• Pb-Free (RoHS Compliant)

Applications

The ISL54209 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.

• MP3 and other Personal Media Players

• Cellular/Mobile Phones

• PDAs

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• Audio/USB Switching

Application Block Diagram

3.3V

VDD

ISL54209

CTRL

µCONTROLLER

LOGIC CONTROL

BUS

4MΩ

D-

COM -

COM +

USB

HIGH-SPEED

D+

TRANSCEIVER

AUDIO

CODEC

50kΩ

GND

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.

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

12 3 4 5 6 7...15

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