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TMUX131
  • TMUX131
  • TMUX131

TMUX131

ACTIVE

Low capacitance, 3.6-V, 3:1, 2-channel, powered-off protected switch with 1.8-V logic

Texas Instruments TMUX131 Product Info

1 April 2026 2

Parameters

Protocols

Analog, I2C, I3C, LVDS, UART

Configuration

3:1

Number of channels

2

Bandwidth (MHz)

6500

Supply voltage (max) (V)

4.3

Ron (typ) (mΩ)

5500

Input/output voltage (min) (V)

0

Input/output voltage (max) (V)

3.6

Supply current (typ) (µA)

28

Operating temperature range (°C)

-40 to 85

Crosstalk (dB)

-40

ESD CDM (kV)

1

Input/output continuous current (max) (mA)

60

COFF (typ) (pF)

0.8

CON (typ) (pF)

1

Off isolation (typ) (dB)

-38

OFF-state leakage current (max) (µA)

10

Ron (max) (mΩ)

7000

Ron channel match (max) (Ω)

0.1

Turnoff time (disable) (max) (ns)

100000

Turnon time (enable) (max) (ns)

130000

VIH (min) (V)

1.3

VIL (max) (V)

0.6

Rating

Catalog

Package

WQFN (RMG)-12-3.24 mm² 1.8 x 1.8

Features

  • Compatible with high-speed I 3C signals
  • V DD range: 2.5 V to 4.3 V
  • High performance switch characteristics:
    • Bandwidth (–3 dB): 6.5 GHz
    • R ON (typical): 5.5 Ω
    • C ON (typical): 1.3 pF
  • Current consumption: 28 µA (typical)
  • Integrated pull down resistor on logic pins
  • Special features:
    • I OFF protection prevents current leakage in powered-down state (V DD = 0 V)
    • 1.8-V compatible control inputs (SEL)
    • Overvoltage tolerance (OVT) on all I/O pins up to 5.5 V without external components
  • ESD performance:
    • 2-kV Human-Body Model (A114B, Class II)
    • 1-kV Charged-Device Model (C101)
  • Package:
    • 12-Pin VQFN package (1.8-mm × 1.8-mm, 0.5-mm pitch)
  • Compatible with high-speed I 3C signals
  • V DD range: 2.5 V to 4.3 V
  • High performance switch characteristics:
    • Bandwidth (–3 dB): 6.5 GHz
    • R ON (typical): 5.5 Ω
    • C ON (typical): 1.3 pF
  • Current consumption: 28 µA (typical)
  • Integrated pull down resistor on logic pins
  • Special features:
    • I OFF protection prevents current leakage in powered-down state (V DD = 0 V)
    • 1.8-V compatible control inputs (SEL)
    • Overvoltage tolerance (OVT) on all I/O pins up to 5.5 V without external components
  • ESD performance:
    • 2-kV Human-Body Model (A114B, Class II)
    • 1-kV Charged-Device Model (C101)
  • Package:
    • 12-Pin VQFN package (1.8-mm × 1.8-mm, 0.5-mm pitch)

Description

The TMUX131 device is a high performance bidirectional 2-channel, 3:1 multiplexer that supports both differential and single ended signals. The TMUX131 is an analog passive multiplexer which features power-off protection forcing all I/O pins to be in high-impedance mode when power is not present on the VDD pin. The select pins of the TMUX131 are compatible with 1.8 V and 3.3 V control logic, allowing them to be directly interfaced with the general purpose I/O (GPIO) from low voltage processors. This, along with the low on-resistance and low on-capacitance of the device, make the TMUX131 an excellent device for supporting switching a wide range of analog signals and digital communication protocol standards, including high-speed standards such as I 3C.

The TMUX131 comes in a small 12-pin VQFN package with only 1.8 mm × 1.8 mm in size, which makes it useful when PCB area is limited.

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