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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftmux7412f”>View Datasheet
Texas Instruments TMUX741xF SPST Four-Channel Switches are complementary metal-oxide semiconductor (CMOS) analog switches in 1:1 (SPST), 4-channel configurations. The devices work well with dual supplies (±5V to ±22V), a single supply (8V to 44V), or asymmetric supplies (such as VDD = 12V, VSS = –5V). The overvoltage protection is available in powered and powered-off conditions, making the TMUX741xF devices suitable for applications where power supply sequencing is not precisely controlled.
The devices block fault voltages up to +60V or −60V relative to ground in powered and powered-off conditions. When no power supplies are present, the switch channels remain in the OFF state regardless of switch input conditions, and any control signal present on the logic pins is ignored. If the signal path input voltage on any Sx pin exceeds the supply voltage (VDD or VSS) by a threshold voltage (VT), the channel turns OFF, and the Sx pin becomes high impedance. The drain pin (Dx) of a selected channel under a fault condition is floating. The Texas Instruments TMUX741xF devices provide an active-low interrupt flag (FF) to indicate if any source inputs are experiencing a fault condition to help system diagnostics.
