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Analogschalter und Multiplexer

TMUX1574

AKTIV

4-Kanal-Analogschalter, 5 V, 2:1 (SPDT), mit Abschaltschutz und 1,8-V-Eingangslogik

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Datenblatt

TMUX1574

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Configuration 2:1 SPDT Number of channels 4 Power supply voltage - single (V) 1.8, 2.5, 3.3, 5 Protocols Analog, I2C, I2S, I3C, JTAG, MIPI, RGMII, SPI, TDM, UART Ron (typ) (Ω) 2 CON (typ) (pF) 7.5 ON-state leakage current (max) (µA) 0.05 Supply current (typ) (µA) 40 Bandwidth (MHz) 2000 Operating temperature range (°C) -40 to 125 Features 1.8-V compatible control inputs, Fail-safe logic, Integrated pulldown resistor on logic pin, Powered-off protection, Supports input voltage beyond supply Input/output continuous current (max) (mA) 25 Rating Catalog Drain supply voltage (max) (V) 5.5 Supply voltage (max) (V) 5.5
Configuration 2:1 SPDT Number of channels 4 Power supply voltage - single (V) 1.8, 2.5, 3.3, 5 Protocols Analog, I2C, I2S, I3C, JTAG, MIPI, RGMII, SPI, TDM, UART Ron (typ) (Ω) 2 CON (typ) (pF) 7.5 ON-state leakage current (max) (µA) 0.05 Supply current (typ) (µA) 40 Bandwidth (MHz) 2000 Operating temperature range (°C) -40 to 125 Features 1.8-V compatible control inputs, Fail-safe logic, Integrated pulldown resistor on logic pin, Powered-off protection, Supports input voltage beyond supply Input/output continuous current (max) (mA) 25 Rating Catalog Drain supply voltage (max) (V) 5.5 Supply voltage (max) (V) 5.5
SOT-23-THN (DYY) 16 8.4 mm² 4.2 x 2 TSSOP (PW) 16 32 mm² 5 x 6.4 UQFN (RSV) 16 4.68 mm² 2.6 x 1.8
  • Wide supply range: 1.5 V to 5.5 V
  • Low on-capacitance: 7.5 pF
  • Low on-resistance: 2 Ω
  • High bandwidth: 2 GHz
  • -40°C to +125°C operating temperature
  • 1.8 V Logic Compatible
  • Supports Input Voltage Beyond Supply
  • Integrated Pull Down Resistor on Logic Pins
  • Bidirectional Signal Path
  • Fail-Safe Logic
  • Powered-off Protection up to 3.6 V Signals
    • Pinout compatible to SN74CBTLV3257
  • Wide supply range: 1.5 V to 5.5 V
  • Low on-capacitance: 7.5 pF
  • Low on-resistance: 2 Ω
  • High bandwidth: 2 GHz
  • -40°C to +125°C operating temperature
  • 1.8 V Logic Compatible
  • Supports Input Voltage Beyond Supply
  • Integrated Pull Down Resistor on Logic Pins
  • Bidirectional Signal Path
  • Fail-Safe Logic
  • Powered-off Protection up to 3.6 V Signals
    • Pinout compatible to SN74CBTLV3257

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.

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.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TMUX1574 Low-Capacitance, 2:1 (SPDT) 4-Channel, Powered-Off Protected Switch with 1.8 V Logic datasheet (Rev. C) PDF | HTML 05 Dez 2019
Application note Designing with Multiple Multiplexers in Series: A Guide to Cascading Multiplexers PDF | HTML 31 Jan 2024
Application brief 1.8-V Logic for Multiplexers and Signal Switches (Rev. C) PDF | HTML 26 Jul 2022
Application note Selecting the Correct Texas Instruments Signal Switch (Rev. E) PDF | HTML 02 Jun 2022
Application note Multiplexers and Signal Switches Glossary (Rev. B) PDF | HTML 01 Dez 2021
Application brief Enabling SPI-Based Flash Memory Expansion by Using Multiplexers (Rev. B) PDF | HTML 07 Okt 2021
Application brief Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C) PDF | HTML 06 Jan 2021
Technical article Overcome last-minute requirement changes with SOT-23 multiplexers PDF | HTML 18 Sep 2020
EVM User's 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 PDF | HTML 29 Jul 2019
Application brief Improve Stability Issues with Low Con Multiplexers (Rev. A) 10 Dez 2018

Design und Entwicklung

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Simulationsmodell

TMUX1574 IBIS Model (Rev. B)

SCDM195B.ZIP (25 KB) - IBIS Model
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Simulationsmodell

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
SOT-23-THN (DYY) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
UQFN (RSV) 16 Ultra Librarian
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