Product details

Configuration 2:1 SPDT Number of channels 1 Power supply voltage - single (V) 1.2, 1.8, 2.5, 3.3, 5 Protocols Analog Ron (typ) (Ω) 3 CON (typ) (pF) 23 ON-state leakage current (max) (µA) 0.08 Supply current (typ) (µA) 0.003 Bandwidth (MHz) 250 Operating temperature range (°C) -40 to 125 Features 1.8-V compatible control inputs, Break-before-make, Fail-safe logic Input/output continuous current (max) (mA) 30 Rating Catalog Drain supply voltage (max) (V) 5.5 Supply voltage (max) (V) 5.5
Configuration 2:1 SPDT Number of channels 1 Power supply voltage - single (V) 1.2, 1.8, 2.5, 3.3, 5 Protocols Analog Ron (typ) (Ω) 3 CON (typ) (pF) 23 ON-state leakage current (max) (µA) 0.08 Supply current (typ) (µA) 0.003 Bandwidth (MHz) 250 Operating temperature range (°C) -40 to 125 Features 1.8-V compatible control inputs, Break-before-make, Fail-safe logic Input/output continuous current (max) (mA) 30 Rating Catalog Drain supply voltage (max) (V) 5.5 Supply voltage (max) (V) 5.5
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8 SOT-SC70 (DCK) 6 4.2 mm² 2 x 2.1
  • Rail to rail operation
  • Bidirectional signal path
  • 1.8 V Logic compatible
  • Fail-safe logic
  • Low on-resistance: 3 Ω
  • Wide supply range: 1.08 V to 5.5 V
  • -40°C to +125°C Operating temperature
  • Low supply current: 4 nA
  • Transition time: 14 ns
  • Break-before-make switching
  • ESD protection HBM: 2000 V
  • Rail to rail operation
  • Bidirectional signal path
  • 1.8 V Logic compatible
  • Fail-safe logic
  • Low on-resistance: 3 Ω
  • Wide supply range: 1.08 V to 5.5 V
  • -40°C to +125°C Operating temperature
  • Low supply current: 4 nA
  • Transition time: 14 ns
  • Break-before-make switching
  • ESD protection HBM: 2000 V

The TMUX1219 is a general purpose complementary metal-oxide semiconductor (CMOS) single-pole double-throw (SPDT) switch. The TMUX1219 switches between two source inputs based on the state of the SEL pin. 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. The device supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD. A low supply current of 4 nA enables use in portable applications.

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 TMUX1219 is a general purpose complementary metal-oxide semiconductor (CMOS) single-pole double-throw (SPDT) switch. The TMUX1219 switches between two source inputs based on the state of the SEL pin. 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. The device supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD. A low supply current of 4 nA enables use in portable applications.

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 TMUX1219 5-V Bidirectional, 2:1 General Purpose Switch datasheet (Rev. A) PDF | HTML 01 Jun 2020
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 Dec 2021
Technical article Protecting your RF amplifier stage with analog switches PDF | HTML 19 Feb 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DIP-ADAPTER-EVM — DIP adapter evaluation module

Speed up your op amp prototyping and testing with the DIP adapter evaluation module (DIP-ADAPTER-EVM), which provides a fast, easy and inexpensive way to interface with small surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them (...)

User guide: PDF
Not available on TI.com
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.     

User guide: PDF
Not available on TI.com
Simulation model

TMUX1219 IBIS Model

SCDM220.ZIP (8 KB) - IBIS Model
Reference designs

TIDA-050058 — Zero-cross switching for solid-state relays reference design

This reference design shows how to achieve zero-cross switching (ZCS) with a solid-state relay. The reference design features the TPSI3050-Q1 isolated switch driver. TPSI3050-Q1 device integrates a laminate transformer to achieve isolation while transferring signal and power to the secondary side. (...)
Design guide: PDF
Package Pins Download
SOT-23 (DBV) 6 View options
SOT-SC70 (DCK) 6 View options

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