TMUX1108

ACTIVE

3-pA, 5-V, ±2.5-V, 8:1, 1-channel precision multiplexer

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Product details

Parameters

Configuration 8:1 Number of channels (#) 1 Power supply voltage - single (V) 1.2, 1.8, 2.5, 3.3, 5 Ron (Typ) (Ohms) 2.5 ON-state leakage current (Max) (µA) 0.004 Bandwidth (MHz) 90 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) 30 Rating Catalog CON (Typ) (pF) 65 Supply current (Typ) (uA) 0.008 open-in-new Find other Analog switches & muxes

Package | Pins | Size

TSSOP (PW) 16 22 mm² 5 x 4.4 UQFN (RSV) 16 5 mm² 2.6 x 1.8 open-in-new Find other Analog switches & muxes

Features

  • Wide Supply Range: ±2.5 V, 1.08 V to 5.5 V
  • Low Leakage Current: 3 pA
  • Low Charge Injection: 1 pC
  • Low On-Resistance: 2.5 Ω
  • -40°C to +125°C Operating Temperature
  • 1.8 V Logic Compatible
  • Fail-Safe Logic
  • Rail to Rail Operation
  • Bidirectional Signal Path
  • Break-Before-Make Switching Action
  • ESD Protection HBM: 2000 V

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Description

The TMUX1108 is a precision complementary metal-oxide semiconductor (CMOS) multiplexer (MUX). The TMUX1108 offers a single channel, 8:1 configuration. Wide operating supply of 1.08 V to 5.5 V allows for use in a wide 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 1.8 V logic compatible thresholds, 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 TMUX1108 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.

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Technical documentation

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Type Title Date
* Datasheet TMUX1108 5V / ±2.5V, Low-Leakage-Current, 8:1 Precision Multiplexer datasheet (Rev. A) Nov. 16, 2018
Technical articles Optimizing for protection and precision in servo drive control modules with multiplexers Oct. 09, 2020
Application note Choosing the Right Multiplexer for a Discrete Programmable Gain Amplifier (PGA) Sep. 29, 2020
Application note Selecting the Right Texas Instruments Signal Switch (Rev. B) Apr. 02, 2020
Application note Multiplexers and Signal Switches Glossary Mar. 06, 2020
Technical articles Roll with the design punches and overcome power-sequencing challenges Jul. 29, 2019
Application note Improve Stability Issues with Low Con Multiplexers (Rev. A) Dec. 10, 2018
Application note 1.8 V Logic for Muxes and Signal May 16, 2018

Design & development

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Hardware development

INTERFACE ADAPTER Download
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Description

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.     

Features
  • Quick testing of TI's leaded surface mount packages 
  • Allows leaded suface mount packages to be plugged into 100mil spaced bread board 
  • Supports TI's 8 most popular leaded packages with a single panel


INTERFACE ADAPTER Download
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Description
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.
Features
  • Quick testing of TI's surface mount packages 
  • Allows suface mount packages to be plugged into 100mil spaced bread board 
  • Supports TI's 16 most popular leadless packages with a single panel

Design tools & simulation

SIMULATION MODEL Download
SCDM190.ZIP (8 KB) - IBIS Model

CAD/CAE symbols

Package Pins Download
TSSOP (PW) 16 View options
UQFN (RSV) 16 View options

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