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 (±4.5 V to ±22 V), or asymmetric supplies (such as VDD = 12 V, VSS = –5 V). 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 1.8 V 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.
| Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | TMUX7219 44-V, Latch-Up Immune, 2:1 (SPDT) Precision Switch with 1.8-V Logic datasheet (Rev. E) | PDF | HTML | 02 ago 2022 |
| White paper | Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) | PDF | HTML | 30 abr 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 ene 2021 | |
| Certificate | TMUX72XXDGKEVM EU RoHS Declaration of Conformity (DoC) | 18 dic 2020 | ||
| EVM User's guide | TMUX72XXDGKEVM Evaluation Module | 10 dic 2020 |
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Speed up your op amp prototyping and testing with the 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 directly to existing circuits.
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El TMUX‑8RQX‑EVM permite la creación rápida de prototipos de multiplexores de media tensión que se ofrecen en encapsulados RQX de 8 pines.
El TMUX72XXDGKEVM admite la evaluación de los dispositivos TMUX72xx en el encapsulado VSSOP (DGK) de 8 pines, incluido TMUX7219DGK. Este módulo de evaluación puede utilizarse para la creación rápida de prototipos y pruebas de dispositivos TMUX72xx, específicamente para parámetros de CC.
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.
| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| VSSOP (DGK) | 8 | Ultra Librarian |
| WSON (RQX) | 8 | Ultra Librarian |
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