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Texas Instruments high voltage analog multiplexer

Apr 13 2023 2023-04 Semiconductors Texas Instruments
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The Texas Instruments TMUX8108/TMUX8109 multiplexer is a modern high voltage analog multiplexer in 8:1(single ended) and 4:1(differential) configurations. The device works well with dual, single or asymmetric power supplies, and the maximum supply voltage is up to 100V.

The Texas Instruments TMUX8108/TMUX8109 multiplexer is a modern high voltage analog multiplexer in 8:1(single ended) and 4:1(differential) configurations. The device works well with dual, single or asymmetric power supplies, and the maximum supply voltage is up to 100V. The TMUX810x device provides consistent analog parametric performance across the entire power supply voltage range. The TMUX8108 and TMUX8109 support bidirectional analog and digital signals on the source (Sx) and drain (Dx) pins.

 

All logic inputs support logic levels of 1.8V, 3.3V, and 5V, and can be connected up to 48V, allowing the system flexibility on the control signal voltage. Fail-safe logic circuits allow the voltage on the logic pins to be applied before powering the pins, protecting the device from potential damage.

 

Texas Instruments TMUX8108/TMUX8109 provides latching immunity to prevent undesirable high current events between parasitic structures within the device. The latched state usually lasts until the power rail is turned off and can cause equipment failure. Latched immunity allows this series of multiplexers to be used in harsh environments.

 

Features

● High supply voltage

-   ±10V to ±50V dual power supply

-   10V to 100V single power supply

-   Asymmetric dual power operation

● Consistent parameters of the supply voltage

● Closed immunity

● -110dB low crosstalk

● 40pA low input leakage

● 0.5 ohm low resistance flatness

● No additional logical guide (V(L))

● 1.8v logic capability

● Fail-safe logic up to 48V independent of power supply

● Logical pins integrate pull-down resistors

● Bidirectional signal path

● Close switch

● -40°C to 125°C wide operating temperature T(A)

● Industry standard TSSOP and smaller WQFN packages

 

Applications

● High voltage bidirectional switch

● Analog and digital multiplexing and demultiplexing

● Semiconductor testing equipment

● Liquid crystal testing equipment

● Battery testing equipment

● Data acquisition system (DAQ)

● Digital multimeter (DMM)

● Factory automation and control

● Programmable logic controller

● Analog input module

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