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 C Yes Tube
Availability
QS4A205QG8 Active PCG16 QSOP 16 C Yes Reel
Availability

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
QS4A205 Datasheet Datasheet PDF 322 KB
Application Notes & White Papers
AN-11: 5V and 3V Conversion with Zero Delay Application Note PDF 417 KB
Quickswitch Basics Application Note PDF 142 KB
AN-18: Switching Analog Signals Application Note PDF 70 KB
TN-07: Analysis of QuickSwitch Behavior Application Note PDF 102 KB
AN-13: Converting TTL to Hot Plug Application Note PDF 85 KB
AN-09: CMOS Bus Switches Provide 0 Delay Application Note PDF 121 KB
AN-19: Space Reduction Via Placement Application Note PDF 41 KB
AN-20: Board Assembly for 0.4mm Pin Surface Mounts Application Note PDF 62 KB
AN-17: Peripheral Isolation in Notebook Computers Application Note PDF 68 KB
PCNs & PDNs
PCN# : A1905-01 Alternate Assembly Location & Change of Material Sets Product Change Notice PDF 313 KB
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB
PCN# A-0508-02: OSET Alternate Assembly Location for Green Product Change Notice PDF 18 KB
PCN#A-0504-02R1: Assembly Transfer IDT-Manila to OSE-Ph Product Change Notice PDF 16 KB
PCN#: TB-0504-01, Transfer Test & Backend from IDT-Manila to IDT Product Change Notice PDF 35 KB
PCN#: A-0504-02, Transfer assembly facility IDT-Manila to OSE-Ph Product Change Notice PDF 47 KB
PCN#:A-0312-02, new die attach material - 8290 Product Change Notice PDF 116 KB
PCN#:A-0312-01, new mold compound material - G600 Product Change Notice PDF 109 KB
PCN Addendum # L0203-10R1 Fab 2 to Fab 4 Transfer Product Change Notice PDF 110 KB
PCN# L0203-10 Fab Transfer from Fab 2 to Fab 4 Product Change Notice PDF 27 KB
PCN# G0106-01, Moisture Sensitive Label Change Product Change Notice PDF 274 KB
PCN# L0008-06: Data Sheet Change Product Change Notice PDF 10 KB
PCN# G0005-01, Laser Top Mark Product Change Notice PDF 24 KB
Downloads
QS4A205 Hspice Model - HSPICE ZIP 5 KB
QS4A205 IBIS Model - IBIS ZIP 4 KB

Boards & Kits