ISL54209 MP3/USB 2.0 High Speed Switch with Negative Signal Handling and Low Power Shutdown ISL54209 Features High Speed (480Mbps) and Full Speed (12Mbps) The Intersil ISL54209 dual SPDT (Single Pole/Double Signaling Capability per USB 2.0 Throw) switch combines low distortion audio and accurate USB 2.0 high speed data (480Mbps) signal Low Distortion Negative Signal Capability switching in the same low voltage device. When Low Power Shutdown State operated with a 2.5V to 5.0V single supply, this analog Low Distortion Headphone Audio Signals switch allows audio signal swings below ground, -THD+N at 1mW into 32 Load .<0.013% allowing for the use of a common USB and audio headphone connector in Personal Media Players and Crosstalk (100kHz) -95dB other portable battery powered devices. OFF-Isolation (100kHz) . 95dB The ISL54209 logic control pins are 1.8V compatible, Single Supply Operation (V ) . 2.5V to 5.0V DD which allows for control via a standard controller. -3dB Bandwidth USB Switch 736MHz The ISL54209 has an audio enable control pin to open all Available in TQFN and TDFN Packages switches and put the part in a low power state. In this COM Pins Over-voltage Tolerant to 5.5V state, the device draws typically 1nA of current. Compliant with USB 2.0 Short Circuit Requirements The ISL54209 is available in a small 10 Ld 1.8mm x Without Additional External Components 1.4mm or 2.1mmx 1.6mm ultra-thin TQFN packages Pb-Free (RoHS Compliant) and a 10 Ld 3mmx3mm TDFN package. It operates over a temperature range of -40C to +85C. Applications*(see page 16) Related Literature MP3 and other Personal Media Players Technical Brief TB363 Guidelines for Handling and Cellular/Mobile Phones Processing Moisture Sensitive Surface Mount Devices PDAs (SMDs) Audio/USB Switching Application Note AN1406 ISL54209EVAL1Z Evaluation Board Users Manual Application Block Diagram 3.3V VDD ISL54209 IN CTRL CONTROLLER LOGIC CONTROL V BUS 4M 4M D- COM - USB HIGH-SPEED D+ TRANSCEIVER COM + L AUDIO R CODEC 50k 50k GND June 10, 2010 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. FN6627.4 Copyright Intersil Americas Inc. 2009, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. USB/HEADPHONE JACKISL54209 Pin Configurations (Note 1) ISL54209 ISL54209 (10 LD 2.1mmx1.6mm TQFN) (10 LD 3.0mmx3.0mm TDFN) TOP VIEW TOP VIEW CTRL 10 PD 4M CTRL 10 VDD 1 4M LOGIC LOGIC D- VDD 9 1 9 D- IN 2 CONTROL CONTROL 4M IN COM - 3 D+ 2 8 D+ 8 4M COM - COM + 4 3 7 L 7 L 50k 50k 6 R GND 5 6 R COM + 4 50k 50k 5 GND ISL54209 (10 LD 1.8mmx1.4mm TQFN) TOP VIEW D+ L 7 6 D- 8 5 R 50k CTRL 9 4 GND VDD 10 3 COM + 4M 1 2 IN COM - NOTE: 1. ISL54209 Switches Shown for IN = Logic 0 and CTRL = Logic 1. Truth Table ISL54209 IN CTRL L, R D+, D- 00 OFF OFF 0 1 ON OFF 1X OFF ON IN, CTRL: Logic 0 when 0.5V or Floating, Logic 1 when 1.4V with 2.7V to 3.6V Supply. FN6627.4 2 June 10, 2010 LOGIC CONTROL