ISL54220

High-Speed USB 2.0 (480Mbps) Multiplexer

OVERVIEW

The Intersil ISL54220 is a single supply dual 2:1 multiplexer that can operate from a single 2.7V to 5.5V supply. It contains two SPDT (Single Pole/Double Throw) switches configured as a DPDT. The part was designed for switching or routing of USB High-Speed signals and/or USB Full-speed signals in portable battery powered products.

The 6Ω switches can swing rail-to-rail and were specifically designed to pass USB full speed data signals that range from 0V to 3.3V and USB high speed data signals that range from 0V to 400mV. They have high bandwidth and low capacitance to pass USB high-speed data signals with minimal distortion.

The digital logic inputs are 1.8V logic compatible when operated with a 2.7V to 3.6V supply. The ISL54220 has an output enable pin to open all the switches. The ISL54220 is available in 10 Ld 1.8mmx1.4mm µTQFN, 10 Ld TDFN and 10 Ld MSOP packages. 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
  • 1.8V Logic Compatible (2.7V to +3.6V supply)
  • Enable Pin to Open all Switches
  • Power OFF Protection
  • D-/D+ Pins Overvoltage Tolerant to 5.5V
  • -3dB Frequency: 742MHz
  • Low ON Capacitance @ 240MHz: 4.2pF
  • Low ON-Resistance @ VDD = 5.5V: 4.5Ω
  • Low ON-Resistance @ VDD = 3.3V: 6.0Ω
  • Single Supply Operation (VDD): 2.7V to 5.5V
  • Available in µTQFN, TDFN, and MSOP Packages
  • Pb-Free (RoHS Compliant)
  • Compliant with USB 2.0 Short Circuit and Overvoltage Requirements Without Additional External Components

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL54220
Basic Information
Production Status
Mass Production
Configuration
HS/FS
Switch Control
Logic Level
BW High (MHz)
742
BW Full (MHz)
742
IS
0.03 µA
Supply Voltage Vdd Min
2.7 V
Supply Voltage Vdd Max
5.5 V
Qualification Level
Standard
Supply Voltage Vdd Range (V)
2.7 to 5.5
Can Sample
YES
Temperature Range
-40 to +85

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