ISL54205B

The Intersil ISL54205B 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 ISL54205B incorporates circuitry for detection of the USB VBUS 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 ISL54205B is available in a small 10 Ld 2.1mmx1.6mm ultra-thin μTQFN package and a 10Ld 3mmx3mm TDFN package. It operates over a temperature range of -40 to +85°C.

Applications

• MP3 and Other Personal Media Players
• Cellular/Mobile Phones
• PDA's
• Audio/USB Switching

ISL54205B 特点

• High Speed (480Mbps) and Full Speed (12Mbps) Signaling Capability per USB 2.0
• Low Distortion Negative Signal Capability
• Detection of VBUS Voltage on USB Cable
• 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 (20Hz to 20kHz) -110dB
• Single Supply Operation (VDD) 2.7V to 3.6V
• -3dB Bandwidth USB Switch 630MHz
• Available in μTQFN and TDFN Packages
• Pb-Free (RoHS Compliant)
• Compliant with USB 2.0 Short Circuit Requirements Without Additional External Components

ISL54205B 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图
ISL54205BIRUZ-T	量产	工业级	10 Ld uTQFN T+R
ISL54205BIRTZ	量产	工业级	10 Ld TDFN
ISL54205BIRTZ-T	量产	工业级	10 Ld TDFN T+R
ISL54205BEVAL1Z	停产		评估板

ISL54205B 应用技术支持与电子电路设计开发资源下载

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