Product details

Configuration 4:1 Number of channels (#) 2 Power supply voltage - single (V) 1.2, 1.8, 2.5, 3.3, 5 Ron (Typ) (Ohms) 5 ON-state leakage current (Max) (µA) 0.75 Bandwidth (MHz) 125 Operating temperature range (C) -40 to 125 Features 1.8-V compatible control inputs, Break-before-make, Fail-safe logic, Supports I2C signals Input/output continuous current (Max) (mA) 30 Rating Catalog CON (Typ) (pF) 42 Supply current (Typ) (uA) 0.02
Configuration 4:1 Number of channels (#) 2 Power supply voltage - single (V) 1.2, 1.8, 2.5, 3.3, 5 Ron (Typ) (Ohms) 5 ON-state leakage current (Max) (µA) 0.75 Bandwidth (MHz) 125 Operating temperature range (C) -40 to 125 Features 1.8-V compatible control inputs, Break-before-make, Fail-safe logic, Supports I2C signals Input/output continuous current (Max) (mA) 30 Rating Catalog CON (Typ) (pF) 42 Supply current (Typ) (uA) 0.02
TSSOP (PW) 16 22 mm² 5 x 4.4 UQFN (RSV) 16 5 mm² 2.6 x 1.8
  • Rail to Rail Operation
  • Bidirectional Signal Path
  • Low On-Resistance: 5 Ω
  • Wide Supply Range: 1.08 V to 5.5 V
  • -40°C to +125°C Operating Temperature
  • 1.8 V Logic Compatible
  • Fail-Safe Logic
  • Low Supply Current: 10 nA
  • Transition Time: 14 ns
  • Break-Before-Make Switching
  • ESD Protection HBM: 2000 V
  • Industry-Standard TSSOP and QFN Packages
  • Rail to Rail Operation
  • Bidirectional Signal Path
  • Low On-Resistance: 5 Ω
  • Wide Supply Range: 1.08 V to 5.5 V
  • -40°C to +125°C Operating Temperature
  • 1.8 V Logic Compatible
  • Fail-Safe Logic
  • Low Supply Current: 10 nA
  • Transition Time: 14 ns
  • Break-Before-Make Switching
  • ESD Protection HBM: 2000 V
  • Industry-Standard TSSOP and QFN Packages

The TMUX1208 and TMUX1209 are general purpose complementary metal-oxide semiconductor (CMOS) multiplexers (MUX). The TMUX1208 offers 8:1 single-ended channels, while the TMUX1209 offers differential 4:1 or dual 4:1 single-ended channels. Wide operating supply of 1.08 V to 5.5 V allows for use in a broad array of applications from personal electronics to building automation applications. The device supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD.

All logic inputs have 1.8 V logic compatible thresholds, ensuring both TTL and CMOS logic compatibility when operating in the valid supply voltage range. Fail-Safe Logic circuitry allows voltages on the control pins to be applied before the supply pin, protecting the device from potential damage.

The TMUX1208 and TMUX1209 are general purpose complementary metal-oxide semiconductor (CMOS) multiplexers (MUX). The TMUX1208 offers 8:1 single-ended channels, while the TMUX1209 offers differential 4:1 or dual 4:1 single-ended channels. Wide operating supply of 1.08 V to 5.5 V allows for use in a broad array of applications from personal electronics to building automation applications. The device supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD.

All logic inputs have 1.8 V logic compatible thresholds, ensuring both TTL and CMOS logic compatibility when operating in the valid supply voltage range. Fail-Safe Logic circuitry allows voltages on the control pins to be applied before the supply pin, protecting the device from potential damage.

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Technical documentation

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Type Title Date
* Data sheet TMUX1208 5-V Bidirectional 8:1, 1-Channel Multiplexer TMUX1209 5-V Bidirectional 4:1, 2-Channel Multiplexer datasheet (Rev. C) 13 Dec 2018
Application note Selecting the Right Texas Instruments Signal Switch (Rev. C) 06 Aug 2021
Application note Multiplexers and Signal Switches Glossary (Rev. A) 09 Jun 2021

Design & development

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Interface adapter

LEADED-ADAPTER1 — Surface mount to DIP header adapter for quick testing of TI's 5, 8, 10, 16 & 24-pin leaded 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.     

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Simulation model

TMUX1209 IBIS Model

SCDM208.ZIP (9 KB) - IBIS Model
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TSSOP (PW) 16 View options
UQFN (RSV) 16 View options

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