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ISL54209IRTZ Datasheet

  • ISL54209IRTZ

  • MP3/USB 2.0 High Speed Switch with Negative Signal Handling ...

  • 15頁

  • INTERSIL   INTERSIL

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ISL54209
Data Sheet
December 20, 2007
FN6627.0
MP3/USB 2.0 High Speed Switch with
Negative Signal Handling and Low Power
Shutdown
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.
The ISL54209 logic control pins are 1.8V compatible, which
allows for control via a standard 碌controller. With a VDD
voltage in the range of 2.5V to 3.6V, the IN pin voltage can
exceed the VDD rail allowing the USB 5V V
BUS
voltage from
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.
The ISL54209 is available in a small 10 Ld 2.1mmx1.6mm
ultra-thin 碌TQFN package and a 10 Ld 3mmx3mm TDFN
package. It operates over a temperature range of -40擄C to
+85擄C.
Features
鈥?High Speed (480Mbps) and Full Speed (12Mbps)
Signaling Capability per USB 2.0
鈥?Low Distortion Negative Signal Capability
鈥?Low Power Shutdown State
鈥?Low Distortion Headphone Audio Signals
- THD+N at 20mW into 32惟 Load . . . . . . . . . . . . <0.07%
鈥?Crosstalk (100kHz) . . . . . . . . . . . . . . . . . . . . . . . . . -95dB
鈥?OFF Isolation (100kHz) . . . . . . . . . . . . . . . . . . . . . . 95dB
鈥?Single Supply Operation (V
DD
) . . . . . . . . . . . . 2.5V to 5.0V
鈥?-3dB Bandwidth USB Switch . . . . . . . . . . . . . . . . . 736MHz
鈥?Available in 碌TQFN and TDFN Packages
鈥?Compliant with USB 2.0 Short Circuit Requirements
Without Additional External Components
鈥?Pb-Free (RoHS Compliant)
Applications
鈥?MP3 and other Personal Media Players
鈥?Cellular/Mobile Phones
鈥?PDAs
鈥?Audio/USB Switching
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
Application Block Diagram
3.3V
IN
USB/HEADPHONE JACK
V
BUS
4M惟
VDD
ISL54209
LOGIC CONTROL
CTRL
4M惟
D-
碌CONTROLLER
COM -
D+
COM +
L
R
50k惟
GND
50k惟
USB
HIGH-SPEED
TRANSCEIVER
AUDIO
CODEC
1
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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

ISL54209IRTZ 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器

  • -

  • USB 開關(guān)

  • 2 x SPDT - NO

  • 20 歐姆

  • 單電源

  • 2.5 V ~ 5 V

  • 7µA

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-VFDFN 裸露焊盤

  • 10-TDFN/MLP（3x3）

  • 管件

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