The TMUX1574 is a complementary metal-oxide semiconductor (CMOS) switch. The TMUX1574 offers 2:1 SPDT switch configuration with 4-channels. Wide operating supply of 1.5 V to 5.5 V allows for use in a broad array of applications from servers and communication equipment to industrial applications. The device supports bidirectional analog and digital signals on the source (SxA, SxB) and drain (Dx) pins and can pass signals above supply up to VDD x 2, with a maximum input/output voltage of 5.5 V.
Powered-off Protection up to 3.6 V on the signal path of the TMUX1574 provides isolation when the supply voltage is removed (VDD = 0 V). Without this protection feature, switches can back-power the supply rail through an internal ESD diode and cause potential damage to the system.
Fail-Safe Logic circuitry allows voltages on the logic control pins to be applied before the supply pin, protecting the device from potential damage. All control inputs have 1.8 V logic compatible thresholds, ensuring both TTL and CMOS logic compatibility when operating in the valid supply voltage range. Integrated pull down resistor on the logic pins removes external components to reduce system size and cost.
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | TMUX1574 Low-Capacitance, 2:1 (SPDT) 4-Channel, Powered-Off Protected Switch with 1.8 V Logic datasheet (Rev. C) | 05 Dec 2019 |
| Application note | Selecting the Correct Texas Instruments Signal Switch (Rev. D) | 09 Dec 2021 | |
| Application note | Multiplexers and Signal Switches Glossary (Rev. B) | 01 Dec 2021 | |
| Application note | Enabling SPI-Based Flash Memory Expansion by Using Multiplexers (Rev. B) | 07 Oct 2021 | |
| Application note | 1.8 V Logic for Muxes and Signal (Rev. A) | 06 Jan 2021 | |
| Application note | Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C) | 06 Jan 2021 | |
| Technical article | Overcome last-minute requirement changes with SOT-23 multiplexers | 18 Sep 2020 | |
| User guide | 16DYYPWEVM Test board for SOT-23 THIN (DYY) and TSSOP (PW) packages User's Guide | 11 Nov 2019 | |
| Technical article | Roll with the design punches and overcome power-sequencing challenges | 29 Jul 2019 | |
| Application note | Improve Stability Issues with Low Con Multiplexers (Rev. A) | 10 Dec 2018 |
For additional terms or required resources, click any title below to view the detail page where available.
The TMAG5110-5111EVM is a rotary encoding board with dual Hall latches that have separate circuitry for both quadrature (TMAG5110) and speed and direction (TMAG5111) implementations. There are two different magnets and two magnet placement options to highlight the dual-latch capability of pole (...)
The TMUXBQB-DYYEVM allows for the quick prototyping and DC characterization of TI's line of TMUX products that use the 16-pin TSSOP (PW), WQFN (BQB) and SOT-23 THIN (DYY) packages.
The EVM-LEADED1 board allows for quick testing and bread boarding of TI's common leaded packages. The board has footprints to convert TI's D, DBQ, DCT,DCU, DDF, DGS, DGV, and PW surface mount packages to 100mil DIP headers.
| Package | Pins | Download |
|---|---|---|
| SOT-23-THIN (DYY) | 16 | View options |
| TSSOP (PW) | 16 | View options |
| UQFN (RSV) | 16 | View options |
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