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Electronic Design Power & Analog Update
October 27, 2021

System-level protection for high-voltage analog multiplexers

In measurement systems where a multiplexer input is interfaced with remotely placed sensors, an overvoltage fault condition is possible on the input. Learn about the most common overvoltage fault conditions and how to protect the multiplexer.

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The TMUX6219 precision analog switch has very low on- and off-leakage currents and low charge injection, allowing it to be used in high-precision measurement applications such as digital multimeters, EV chargers, remote radio units, and more.

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44-V, latch-up immune, 2:1 (SPDT) precision switch with 1.8-V logic

The TMUX7219 provides latch-up immunity to help prevent high-current events between parasitic structures within the device typically caused by overvoltage events. This enables the switch to be used in applications with harsh environments.

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±60-V fault-protected, 1:1 (SPS) four-channel switch with 1.8-V logic

The TMUX7412F works with a single supply (8 V to 44 V), dual supplies (±5 V to ±22 V), or asymmetric supplies and provides an active-low interrupt flag to indicate if any source inputs are experiencing a fault condition to help system diagnosis.

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TI Precision Labs

Learn about common switch architectures, specifications, characteristics, and parameters. This series also covers key differentiating features such as powered-off protection and fault protection.

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New mid-voltage, latch-up immune multiplexers

This video offers a detailed overview of the latch-up immunity feature, explains potential failure scenarios and highlights how to use multiplexer products to help provide added protection in your design.

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Learn how smaller package sizes have the mechanical performance and reliability of leaded packages. The SOT-23 Thin package allows system designers to quickly add last minute functionality to their projects without sacrificing valuable PCB space.


Multiplexers and signal switches glossary

Search this glossary to learn about terminology, features, and parameters for our switches and multiplexers. This guide provides answers to common questions around switch configuration, power supplies, leakage current and more.

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Optimize FPGA utilization and data throughput for automatic test equipment

The TIDA-01051 reference design is used to demonstrate optimized channel density, integration, power consumption, clock distribution and signal chain performance of very high channel count data acquisition systems such as those used in automatic test equipment.

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Improve stability issues with low CON multiplexers

Stability issues can be encountered in amplifier circuits when special attention is not paid to device parasitic capacitances. This report helps designers understand mux capacitance specifications in order to select the correct multiplexer for their application.

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Protect against overvoltage, miswiring, & common-mode voltages

Read about common overvoltage and over-stress events a system can experience and learn how the features of TI fault-protected multiplexers and signal switches can combat these events.

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