The TMUX1109 is a precision complementary metal-oxide semiconductor (CMOS) multiplexer (MUX). The TMUX1109 offers differential 4:1 or dual 4:1 single-ended channels. Wide operating supply of 1.08V to 5.5V allows for use in a broad array of applications from medical equipment to industrial systems. The device supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD. All logic inputs have 1.8V logic compatible thresholds, allowing for 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 TMUX1109 is part of the precision switches and multiplexers family of devices. These devices have very low on and off leakage currents and low charge injection, allowing them to be used in high precision measurement applications. A low supply current of 8nA and small package options enable use in portable applications.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TMUX1109 5V, ±2.5V, Low-Leakage-Current, 4:1, 2-Channel Precision Multiplexer datasheet (Rev. A) | PDF | HTML | 07 Feb 2024 |
| Circuit design | True differential, 4 × 2 MUX, analog front end, simultaneous-sampling ADC circui (Rev. B) | PDF | HTML | 20 Sep 2024 | |
| Product overview | How to Multiplex Multiple Loads to Scale Voltage and Current Measurement Ranges | PDF | HTML | 15 Sep 2022 | |
| Application note | Selecting the Correct Texas Instruments Signal Switch (Rev. E) | PDF | HTML | 02 Jun 2022 | |
| Application note | Guarding in Multiplexer Applications | PDF | HTML | 13 Mai 2022 | |
| Application note | Multiplexers and Signal Switches Glossary (Rev. B) | PDF | HTML | 01 Dez 2021 | |
| Application note | Choosing the Right Multiplexer for MCU Expansion | PDF | HTML | 19 Nov 2020 |
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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.
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| TSSOP (PW) | 16 | Ultra Librarian |
| UQFN (RSV) | 16 | Ultra Librarian |
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