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ISL54205AIRUZ-T Datasheet

  • ISL54205AIRUZ-T

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

  • 14頁(yè)

  • INTERSIL   INTERSIL

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廬
ISL54205A
Data Sheet
December 7, 2006
FN6342.1
MP3/USB 2.0 High Speed Switch with
Negative Signal Handling
The Intersil ISL54205A 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.
The ISL54205A incorporates circuitry for detection of the USB
V
BUS
voltage, which is used to switch between the audio and
USB signal sources in the portable device. The part has a
control pin to open all the switches and put the part in a low
power down state.
The ISL54205A is available in a small 10 Ld 2.1mm x 1.6mm
ultra-thin
渭
TQFN package and a 10Ld 3mm x 3mm TDFN
package. It operates over a temperature range of -40 to
+85擄C.
Features
鈥?High Speed (480Mbps) Signaling Capability per USB 2.0
鈥?Low Distortion Negative Signal Capability
鈥?Detection of V
BUS
Voltage on USB Cable
鈥?Control Pin to Open all Switches and Enter Low Power
State
鈥?Low Distortion Headphone Audio Signals
- THD+N at 20mW into 32惟 Load . . . . . . . . . . . . . <0.1%
鈥?Cross-talk (20Hz to 20kHz) . . . . . . . . . . . . . . . . . . -110dB
鈥?Single Supply Operation (V
DD
) . . . . . . . . . . . . 2.7V to 3.6V
鈥?-3dB Bandwidth USB Switch . . . . . . . . . . . . . . . . . 630MHz
鈥?Available in
渭
TQFN and TDFN Packages
鈥?Pb-Free Plus Anneal (RoHS Compliant)
鈥?Compliant with USB 2.0 Short Circuit Requirements
Without Additional External Components
Applications
Related Literature
鈥?Application Note AN1280 鈥淚SL54205EVAL1Z Evaluation
Board User鈥檚 Manual.
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
鈥?Application Note AN557 鈥淩ecommended Test Procedures
for Analog Switches鈥?/div>
鈥?MP3 and Other Personal Media Players
鈥?Cellular/Mobile Phones
鈥?PDA鈥檚
鈥?Audio/USB Switching
Application Block Diagram
V
DD
V
BUS
USB/HEADPHONE JACK
22k惟
COM -
D+
ISL54205A
CTRL
Logic Circuitry
4M惟
4M惟
D-
USB
HIGH-SPEED
TRANSCEIVER
渭CONTROLLER
COM +
50k惟
L
R
CODEC
50k惟
GND
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. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

ISL54205AIRUZ-T 產(chǎn)品屬性

  • 3,000

  • 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

  • 5 歐姆

  • 單電源

  • 2.7 V ~ 3.6 V

  • 6µA

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-UFQFN

  • 10-UTQFN（2.1x1.6）

  • 帶卷 (TR)

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