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ISL54209EVAL1Z PDF预览

ISL54209EVAL1Z

更新时间: 2024-09-28 05:39:39
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英特矽尔 - INTERSIL 开关
页数 文件大小 规格书
19页 871K
描述
MP3/USB 2.0 High Speed Switch with Negative Signal Handling and Low Power Shutdown

ISL54209EVAL1Z 数据手册

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MP3/USB 2.0 High Speed Switch with Negative  
Signal Handling and Low Power Shutdown  
ISL54209  
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 for 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 1mW into 32Ω Load. . . . . . .<0.013%  
• Crosstalk (100kHz). . . . . . . . . . . . . . . . . . -95dB  
• OFF-Isolation (100kHz). . . . . . . . . . . . . . . 95dB  
The ISL54209 logic control pins are 1.8V compatible,  
which allows for control via a standard µcontroller.  
• Single Supply Operation (V ) . . . . . 2.5V to 5.0V  
DD  
• -3dB Bandwidth USB Switch . . . . . . . . . . 736MHz  
• Available in µTQFN and TDFN Packages  
The ISL54209 has an audio enable control pin to open all  
switches and put the part in a low power state. In this  
state, the device draws typically 1nA of current.  
• COM Pins Over-voltage Tolerant to 5.5V  
• Compliant with USB 2.0 Short Circuit Requirements  
Without Additional External Components  
The ISL54209 is available in a small 10 Ld 1.8mm x  
1.4mm or 2.1mmx 1.6mm ultra-thin µTQFN packages  
and a 10 Ld 3mmx3mm TDFN package. It operates over  
a temperature range of -40°C to +85°C.  
• Pb-Free (RoHS Compliant)  
Applications*(see page 16)  
• 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 Note AN1406 “ISL54209EVAL1Z  
Evaluation Board User’s Manual”  
Application Block Diagram  
3.3V  
VDD  
ISL54209  
IN  
CTRL  
µCONTROLLER  
LOGIC CONTROL  
V
BUS  
4MΩ  
4MΩ  
D-  
COM -  
USB  
HIGH-SPEED  
D+  
TRANSCEIVER  
COM +  
L
AUDIO  
CODEC  
R
50kΩ  
50kΩ  
GND  
June 10, 2010  
FN6627.4  
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, 2010. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  

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