Datasheet > ISL54211IRTZ-T

ISL54211IRTZ-T

更新时间： 2024-09-30 11:12:07

品牌	Logo	应用领域
英特矽尔 - INTERSIL		开关光电二极管
页数	文件大小	规格书
19页	1218K
描述
MP3/USB 2.0 High Speed Switch with Negative Signal Handling/Click and Pop Suppression

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ISL54211IRTZ-T 数据手册

ISL54211

Data Sheet

August 25, 2008

FN6662.1

MP3/USB 2.0 High Speed Switch with

Negative Signal Handling/Click and Pop

Suppression

Features

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

Signaling Capability per USB 2.0

The Intersil ISL54211 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 5.0V 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.

• Low Distortion Negative Signal Capability

• Clickless/Popless Audio Switches

• Enable Control Pin (CTRL) to Open all Switches

• Low Distortion Headphone Audio Signals

- THD+N at 1mW into 32Ω Load . . . . . . . . . . . . . 0.014%

• Crosstalk (20Hz to 20kHz). . . . . . . . . . . . . . . . . . . -100dB

• OFF-Isolation (20Hz to 100kHz) . . . . . . . . . . . . . . . 95dB

The ISL54211 logic control pins are 1.8V compatible with a

supply voltage of 2.7V to 3.6V, which allows for control via a

standard µcontroller.

• Single Supply Operation (V ) . . . . . . . . . . . . 2.7V to 5.0V

• -3dB Bandwidth USB Switch. . . . . . . . . . . . . . . . . 700MHz

• Available in µTQFN and TDFN Packages

The part has an audio enable control pin (CTRL) to open all

in-line switches and activate the audio click and pop circuitry.

The high OFF-isolation and special click/pop circuitry of the

audio switches eliminates click and pops in the head-phones

when the audio CODEC drivers are powering up or down or

when a headphone is inserted or removed from the

headphone jack.

• Compliant with USB 2.0 Short Circuit Requirements

Without Additional External Components

• Pb-Free (RoHS Compliant)

Applications

It’s available in a tiny 10 Ld 1.8mmx1.4mm ultra-thin µTQFN

package and a 10 Ld 3mmx3mm TDFN package. It operates

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

• MP3 and other Personal Media Players

• Cellular/Mobile Phones

• PDA’s

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• Audio/USB Switching

Application Block Diagram

µCONTROLLER

3.3V

VDD

ISL54211

CTRL

4MΩ

LOGIC CONTROL

4MΩ

BUS

USB HIGH-SPEED

TRANSCEIVER

D-

COM -

D+

200kΩ

COM +

200kΩ

CLICK

AND

POP

CODEC

AUDIO

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...19

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ISL54211IRTZ-T 替代型号

型号	品牌	替代类型	描述	数据表
ISL54211IRTZ	INTERSIL	完全替代	MP3/USB 2.0 High Speed Switch with Negative Signal Handling/Click and Pop Suppression

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