Product details

Configuration 2:1 SPDT Number of channels 1 Power supply voltage - single (V) 5, 12, 16, 20, 36, 44 Power supply voltage - dual (V) +/-10, +/-15, +/-18, +/-22, +/-5 Protocols Analog Ron (typ) (Ω) 2.1 CON (typ) (pF) 150 ON-state leakage current (max) (µA) 0.029 Supply current (typ) (µA) 25 Bandwidth (MHz) 40 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) 330 Rating Catalog Drain supply voltage (max) (V) 44 Supply voltage (max) (V) 44 Negative rail supply voltage (max) (V) -22
Configuration 2:1 SPDT Number of channels 1 Power supply voltage - single (V) 5, 12, 16, 20, 36, 44 Power supply voltage - dual (V) +/-10, +/-15, +/-18, +/-22, +/-5 Protocols Analog Ron (typ) (Ω) 2.1 CON (typ) (pF) 150 ON-state leakage current (max) (µA) 0.029 Supply current (typ) (µA) 25 Bandwidth (MHz) 40 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) 330 Rating Catalog Drain supply voltage (max) (V) 44 Supply voltage (max) (V) 44 Negative rail supply voltage (max) (V) -22
VSSOP (DGK) 8 14.7 mm² 3 x 4.9 WSON (RQX) 8 6 mm² 2 x 3
  • Latch-up immune
  • Dual supply range: ±4.5V to ±22V
  • Single supply range: 4.5V to 44V
  • Low on-resistance: 2.1Ω
  • Low charge injection: −10pC
  • High current support: 330mA (maximum) (VSSOP)
  • High current support: 440mA (maximum) (WSON)
  • –40°C to +125°C operating temperature
  • 1.8V logic compatible
  • Fail-safe logic
  • Rail-to-rail operation
  • Bidirectional signal path
  • Break-before-make switching
  • Latch-up immune
  • Dual supply range: ±4.5V to ±22V
  • Single supply range: 4.5V to 44V
  • Low on-resistance: 2.1Ω
  • Low charge injection: −10pC
  • High current support: 330mA (maximum) (VSSOP)
  • High current support: 440mA (maximum) (WSON)
  • –40°C to +125°C operating temperature
  • 1.8V logic compatible
  • Fail-safe logic
  • Rail-to-rail operation
  • Bidirectional signal path
  • Break-before-make switching

The TMUX7219 is a complementary metal-oxide semiconductor (CMOS) switch with latch-up immunity in a single channel, 2:1 (SPDT) configuration. The device works with a single supply (4.5 V to 44 V), dual supplies (±4.5V to ±22V), or asymmetric supplies (such as VDD = 12V, VSS = –5V). The TMUX7219 supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from VSS to VDD.

The TMUX7219 can be enabled or disabled by controlling the EN pin. When disabled, both signal path switches are off. When enabled, the SEL pin can be used to turn on signal path 1 (S1 to D) or signal path 2 (S2 to D). All logic control inputs support logic levels from 1.8V to VDD, 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 TMUX72xx family provides latch-up immunity, preventing undesirable high current events between parasitic structures within the device typically caused by overvoltage events. A latch-up condition typically continues until the power supply rails are turned off and can lead to device failure. The latch-up immunity feature allows the TMUX72xx family of switches and multiplexers to be used in harsh environments.

The TMUX7219 is a complementary metal-oxide semiconductor (CMOS) switch with latch-up immunity in a single channel, 2:1 (SPDT) configuration. The device works with a single supply (4.5 V to 44 V), dual supplies (±4.5V to ±22V), or asymmetric supplies (such as VDD = 12V, VSS = –5V). The TMUX7219 supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from VSS to VDD.

The TMUX7219 can be enabled or disabled by controlling the EN pin. When disabled, both signal path switches are off. When enabled, the SEL pin can be used to turn on signal path 1 (S1 to D) or signal path 2 (S2 to D). All logic control inputs support logic levels from 1.8V to VDD, 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 TMUX72xx family provides latch-up immunity, preventing undesirable high current events between parasitic structures within the device typically caused by overvoltage events. A latch-up condition typically continues until the power supply rails are turned off and can lead to device failure. The latch-up immunity feature allows the TMUX72xx family of switches and multiplexers to be used in harsh environments.

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Technical documentation

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Type Title Date
* Data sheet TMUX7219 44V , Latch-Up Immune, 2:1 (SPDT) Precision Switch with 1.8V Logic datasheet (Rev. F) PDF | HTML 18 Jul 2024
Application note How to Handle High Voltage Common Mode Applications using Multiplexers PDF | HTML 03 Oct 2022
Application note Guarding in Multiplexer Applications PDF | HTML 13 May 2022
EVM User's guide TMUX-8RQX-EVM User's Guide 05 May 2022
Application note Using Latch Up Immune Multiplexers to Help Improve System Reliability (Rev. A) 20 Sep 2021
Application brief Dynamically Controlling Signal in a CWD Receive Path for Ultrasound PDF | HTML 18 Jan 2021
Certificate TMUX72XXDGKEVM EU RoHS Declaration of Conformity (DoC) 18 Dec 2020
EVM User's guide TMUX72XXDGKEVM Evaluation Module 10 Dec 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
Evaluation board

TMUX-8RQX-EVM — TMUX evaluation module for 8-Pin RQX

The TMUX-8RQX-EVM allows for quick prototyping of mid-voltage multiplexers offered in 8-Pin RQX Pakages.

User guide: PDF
Not available on TI.com
Evaluation board

TMUX72XXDGKEVM — TMUX72xx DGK package evaluation module

The TMUX72XXDGKEVM supports evaluation of the TMUX72xx devices in the 8-pin VSSOP (DGK) package including TMUX7219DGK. This evaluation module can be used for quick prototyping and testing of the TMUX72xx devices specifically for DC parameters.

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
Interface adapter

LEADLESS-ADAPTER1 — Surface mount to DIP header adapter for testing of TI's 6,8,10,12,14,16, & 20-pin leadless packages

The EVM-LEADLESS1 board allows for quick testing and bread boarding of TI's common leadless packages.  The board has footprints to convert TI's DRC, DTP, DQE, RBW, RGY, RSE, RSV, RSW RTE, RTJ, RUK , RUC, RUG, RUM,RUT and YZP surface mount packages to 100mil DIP headers.
User guide: PDF
Not available on TI.com
Simulation model

TMUX7219 IBIS model (Rev. B) (Rev. B)

SCDM249B.ZIP (263 KB) - IBIS Model
Simulation model

TMUX7219 PSpice Model

SCDM261.ZIP (113 KB) - PSpice Model
Package Pins CAD symbols, footprints & 3D models
VSSOP (DGK) 8 Ultra Librarian
WSON (RQX) 8 Ultra Librarian

Ordering & quality

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Information included:
  • Fab location
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