Product details

Configuration 2:1 SPDT Number of channels (#) 2 Power supply voltage - single (V) 2.5, 3.3, 5 Protocols Analog, UART, I2C, LVDS Ron (Typ) (Ohms) 6 CON (Typ) (pF) 4.5 ON-state leakage current (Max) (µA) 11.5 Bandwidth (MHz) 1200 Operating temperature range (C) -40 to 125 Features 1.8-V compatible control inputs, Overvoltage protection, Powered-off protection, Supports input voltage beyond supply Input/output continuous current (Max) (mA) 50 Rating Catalog Supply current (Typ) (uA) 75
Configuration 2:1 SPDT Number of channels (#) 2 Power supply voltage - single (V) 2.5, 3.3, 5 Protocols Analog, UART, I2C, LVDS Ron (Typ) (Ohms) 6 CON (Typ) (pF) 4.5 ON-state leakage current (Max) (µA) 11.5 Bandwidth (MHz) 1200 Operating temperature range (C) -40 to 125 Features 1.8-V compatible control inputs, Overvoltage protection, Powered-off protection, Supports input voltage beyond supply Input/output continuous current (Max) (mA) 50 Rating Catalog Supply current (Typ) (uA) 75
UQFN (RUT) 12 3 mm² 2 x 1.7 VSSOP (DGS) 10 9 mm² 3 x 3
  • Supply range 2.3 V to 5.5 V
  • Powered off protection: I/O pins Hi-Z when
    VCC = 0 V
  • 6-V Overvoltage and overtemperature detection with fault indicator pin
  • 18-V Overvoltage protection (OVP) on common pins
  • Support signals beyond VCC up to 5.5 V
  • Low RON of 6 Ω
  • BW of 1.2 GHz typical
  • CON of 4.5 pF typical
  • Low power disable mode
  • 1.8-V Compatible logic inputs
  • ESD protection exceeds JESD22
    • 2000-V Human body model (HBM)
  • Small 2.00 mm x 1.70 mm QFN package available
  • Supply range 2.3 V to 5.5 V
  • Powered off protection: I/O pins Hi-Z when
    VCC = 0 V
  • 6-V Overvoltage and overtemperature detection with fault indicator pin
  • 18-V Overvoltage protection (OVP) on common pins
  • Support signals beyond VCC up to 5.5 V
  • Low RON of 6 Ω
  • BW of 1.2 GHz typical
  • CON of 4.5 pF typical
  • Low power disable mode
  • 1.8-V Compatible logic inputs
  • ESD protection exceeds JESD22
    • 2000-V Human body model (HBM)
  • Small 2.00 mm x 1.70 mm QFN package available

The TMUX1072 is a high-speed, 2-channel, 2:1, analog switch with integrated overvoltage detection and powered off protection. The device is bidirectional and can be used as a 2:1 or 1:2 switch while supporting signals beyond VCC up to 5.5 V.

The protection on the I/O pins of the TMUX1072 tolerates a maximum of 18 V with automatic shutoff circuitry to prevent damage to system components behind the switch. This protection is used for power sequencing. Some boards in the system may be powered up before others are ready to receive signals. The device detects overvoltage and overtemperature events, and provides an open drain output signal through the FLT pin.

The TMUX1072 is a high-speed, 2-channel, 2:1, analog switch with integrated overvoltage detection and powered off protection. The device is bidirectional and can be used as a 2:1 or 1:2 switch while supporting signals beyond VCC up to 5.5 V.

The protection on the I/O pins of the TMUX1072 tolerates a maximum of 18 V with automatic shutoff circuitry to prevent damage to system components behind the switch. This protection is used for power sequencing. Some boards in the system may be powered up before others are ready to receive signals. The device detects overvoltage and overtemperature events, and provides an open drain output signal through the FLT pin.

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Technical documentation

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Type Title Date
* Data sheet TMUX1072 2-Channel 2:1 Analog Multiplexer with Overvoltage Detection and Protection datasheet (Rev. C) 20 Aug 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 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 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

Design & development

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Simulation model

TMUX1072 S-Parameter Model

SCDM183.ZIP (781 KB) - S-Parameter Model
Simulation model

TMUX1072 TINA-TI Reference Design (Rev. A)

SCDM184A.TSC (461 KB) - TINA-TI Reference Design
Simulation model

TMUX1072 TINA-TI Spice Model

SCDM185.ZIP (6 KB) - TINA-TI Spice Model
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UQFN (RUT) 12 View options
VSSOP (DGS) 10 View options

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