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TMUX1574: looking for 6 channel device

Jim Tsai
Expert 4470 points
Part Number: TMUX1574
Other Parts Discussed in Thread: TS3A27518E,

Hi,

Customer is looking for 6 channel solution and I found TS3A27518E in ti.com.

Would like to consult with you whether we have 6 channel solution of TMUX series?

If no, does TS3A27518E only solution for 6 channel?

What's the mainly different between TS3A27518E and TMUX1574?

How about the bandwidth and propagation delay?

  • 0
    TI__Genius 10552 points

    Hi Jim,

    Thanks for reaching out here! The TS3A27518E is indeed our only 6 channel solution, but remains one of our most popular devices. With TI switches and multiplexers, propagation delay is typically very low in the picosecond range. This is due to propagation delay being load dependent. Therefore, it's not spec'd for all devices (in this case the TS3A27518E). 

    For TMUX1574, Tpd is spec'd at 50-95 ps, depending on package type. For further differences, please see the below comparison table. 

    TS3A27518E TMUX1574
    Description 3.3-V, 2:1 (SPDT), 6-channel analog multiplexer with 1.8-V compatible control inputs 5-V, 2:1 (SPDT), 4-channel analog switch with powered-off protection & 1.8-V input logic
    Configuration 2:1 SPDT 2:1 SPDT
    Number of channels 6 4
    Power supply voltage - single (V) 1.8,2.5,3.3 1.8,2.5,3.3,5
    Ron (typ) (Ω) 4.4 2
    CON (typ) (pF) 21.5 7.5
    ON-state leakage current (max) (µA) 7 0.05
    Supply current (typ) (µA) 0.001 40
    Bandwidth (MHz) 240 2000
    Operating temperature range (°C) -40 to 85 -40 to 125
    Package type TSSOP,WQFN SOT-23-THN,TSSOP,UQFN
    Package area (mm^2) 16,49.92 4.68,8.4,32
    Features 1.8-V compatible control inputs,Break-before-make,Powered-off protection 1.8-V compatible control inputs,Fail-safe logic,Integrated pulldown resistor on logic pin,Powered-off protection,Supports input voltage beyond supply
    Supply voltage (max) (V) 3.6 5.5