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ISL54206A_1010 PDF预览

ISL54206A_1010

更新时间: 2024-01-12 06:09:30
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英特矽尔 - INTERSIL 开关
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20页 1450K
描述
MP3/USB 2.0 High Speed Switch with Negative Signal Handling

ISL54206A_1010 数据手册

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MP3/USB 2.0 High Speed Switch with Negative  
Signal Handling  
ISL54206A  
Features  
• High Speed (480Mbps) and Full Speed (12Mbps)  
Signaling Capability per USB 2.0  
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.  
• 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  
The ISL54206A logic control pins are 1.8V compatible,  
which allows for control via a standard µcontroller. With a  
• Single Supply Operation (V ) . . . . . 2.5V to 5.5V  
DD  
• -3dB Bandwidth USB Switches. . . . . . . . . 630MHz  
• Available in µTQFN and TDFN Packages  
• Pb-Free (RoHS Compliant)  
V
voltage in the range of 2.7V to 3.6V, the IN pin  
DD  
voltage can exceed the V  
rail allowing for the USB 5V  
DD  
voltage from a computer to directly drive the IN pin  
V
BUS  
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  
Applications*(see page 18)  
• MP3 and Other Personal Media Players  
• Cellular/Mobile Phones  
• PDA’s  
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.  
• Audio/USB Switching  
Related Literature*(see page 18)  
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  
V
DD  
µCONTROLLER  
ISL54206A  
CTRL  
IN  
VBUS  
LOGIC  
USB  
HIGH-SPEED  
4MΩ  
D-  
COM-  
TRANSCEIVER  
D+  
L
COM+  
CODEC  
R
GND  
NOTE: The L and R 50kΩ resistors to ground are not shown.  
October 28, 2010  
FN6515.3  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2007, 2010. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  

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