4-Channel 2:1 Analog Mux/Demux

The QS4A205 is a high-performance CMOS analog Four-Channel SPDT multiplexer/demultiplexer with individual enables. The QS4A205 with 830MHz bandwidth makes it ideal for high-performance video signal switching, audio signal switching, and telecomm routing applications. High performance and low power dissipation makes this device ideal for battery operated and remote instrumentation applications. The QS4A205 operates at -40C to +85C.

Features

  • Low ON resistance: rDS(ON) = 5 ohm
  • Fast transition time: tTRAN = 6ns
  • Wide bandwidth: 830MHz (-3dB point)
  • Crosstalk: -115 dB at 50 KHz, -100 dB at 5 MHz, -66 dB at 30 MHz
  • Off-isolation: -90 dB at 50 KHz, -60 dB at 5 MHz, -50 dB at 30 MHz
  • Single 5V supply
  • Can be used as multiplexer or demultiplexer
  • TTL-compatible control inputs
  • Ultra-low quiescent current: 3 uA
  • Available in 16 pin QSOP package

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
QS4A205QG Active PCG16 QSOP 16 I Yes Tube Availability
QS4A205QG8 Active PCG16 QSOP 16 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
QS4A205 Datasheet Datasheet PDF 258 KB Apr 12, 2014
Application Notes & White Papers
AN-11: 5V and 3V Conversion with Zero Delay Application Note PDF 346 KB Feb 5, 2014
AN-19: Space Reduction Via Placement Application Note PDF 41 KB May 31, 1996
AN-17: Peripheral Isolation in Notebook Computers Application Note PDF 68 KB May 31, 1996
AN-09: CMOS Bus Switches Provide 0 Delay Application Note PDF 121 KB May 31, 1996
AN-13: Converting TTL to Hot Plug Application Note PDF 85 KB May 31, 1996
AN-20: Board Assembly for 0.4mm Pin Surface Mounts Application Note PDF 62 KB May 31, 1996
Quickswitch Basics Application Note PDF 83 KB Jul 5, 2005
AN-18: Switching Analog Signals Application Note PDF 70 KB May 31, 2001
TN-07: Analysis of QuickSwitch Behavior Application Note PDF 102 KB May 31, 1996
PCNs & PDNs
PCN#A-0504-02R1: Assembly Transfer IDT-Manila to OSE-Ph Product Change Notice PDF 16 KB Jul 21, 2005
PCN#: A-0504-02, Transfer assembly facility IDT-Manila to OSE-Ph Product Change Notice PDF 47 KB Apr 28, 2005
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB Nov 13, 2012
PCN# A-0508-02: OSET Alternate Assembly Location for Green Product Change Notice PDF 18 KB Sep 1, 2005
PCN# G0005-01, Laser Top Mark Product Change Notice PDF 24 KB May 9, 2000
PCN# G0106-01, Moisture Sensitive Label Change Product Change Notice PDF 274 KB Jun 10, 2001
PCN#:A-0312-02, new die attach material - 8290 Product Change Notice PDF 116 KB Dec 2, 2003
PCN#:A-0312-01, new mold compound material - G600 Product Change Notice PDF 109 KB Dec 2, 2003
PCN Addendum # L0203-10R1 Fab 2 to Fab 4 Transfer Product Change Notice PDF 110 KB Jan 12, 2003
PCN# L0203-10 Fab Transfer from Fab 2 to Fab 4 Product Change Notice PDF 27 KB Apr 14, 2002
PCN#: TB-0504-01, Transfer Test & Backend from IDT-Manila to IDT Product Change Notice PDF 35 KB Apr 28, 2005
PCN# L0008-06: Data Sheet Change Product Change Notice PDF 10 KB Aug 24, 2000

Software & Tools

Title Other Languages Type Format File Size Date
QS4A205 Hspice Model - HSPICE ZIP 5 KB Jan 22, 2003
QS4A205 IBIS Model - IBIS ZIP 4 KB Jan 2, 2001