ISL54217

USB 2.0 High-Speed x 2Channels/Stereo Audio Dual SP3T (Dual 3 to 1 Multiplexer)

OVERVIEW

The Intersil ISL54217 is a single supply dual SP3T analog switch that operates from a single supply in the range of 2.7V to 4.6V. It was designed to multiplex between audio stereo signals and two different USB 2.0 high speed differential data signals. The audio channels allow signal swings below ground, allowing the multiplexing of voice and data signals through a common headphone connector in Personal Media Players and other portable battery powered devices.

The audio switch cells can pass ±1V ground referenced audio signals with very low distortion (<0.03% THD+N when driving 5mW into 32Ω loads). The USB switch cells have very low
ON-capacitance (8pF) and high bandwidth to pass USB high speed signals (480Mbps) with minimal edge and phase distortion.

The ISL54217 is available in a tiny 12 Ld 2.2mmx1.4mm ultra thin QFN and a 12 Ld 3mmx3mm TQFN package. It operates over a temperature range of -40°C to +85°C.

KEY FEATURES

  • High Speed (480Mbps) and Full Speed (12Mbps) Signaling Capability per USB 2.0
  • Low Distortion Negative Signal Capability Audio Switches
  • Clickless/Popless Audio Switches
  • Power OFF Protection
  • COM Pins Overvoltage Tolerant to 5.5V
  • Low Distortion Headphone Audio Signals
  • THD+N at 5mW into 32Ω Load: <0.03%
  • Crosstalk (100kHz): -98dB
  • OFF-Isolation (100kHz): 95.5dB
  • Single Supply Operation (VDD): 2.7V to 4.6V
  • -3dB Bandwidth USB Switches: 700MHz
  • Available in Tiny 12 Ld µTQFN and TQFN Packages
  • Compliant with USB 2.0 Short Circuit Requirements Without Additional External Components
  • Pb-Free (RoHS Compliant)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL54217
Basic Information
生产状态
Mass Production(*)
配置
USB/USB/MP3
开关控制
Logic Level
Click Pop电路
Yes
音频输入范围
±1.5 V
音频THD 32Ω (%)
0.045
USB 带宽 (MHz)
700
供电电压Vdd最小值
2.7 V
供电电压Vdd最大值
4.6 V
IS (最大值)
6.2 µA
供电电流掉电
0.5 µA
资质级别
Standard
供电电压Vdd范围 (V)
2.7 to 4.6
CAN 采样
YES
温度范围
-40 to +85

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