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Product details

Parameters

Configuration 8:1 Number of channels (#) 1 Power supply voltage - single (V) 12, 16, 20, 36, 44 Ron (Typ) (Ohms) 4 ON-state leakage current (Max) (µA) 0.062 Bandwidth (MHz) 30 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) 300 Rating Catalog CON (Typ) (pF) 185 Supply current (Typ) (uA) 35 open-in-new Find other Analog switches & muxes

Package | Pins | Size

TSSOP (PW) 16 22 mm² 5 x 4.4 WQFN (RUM) 16 16 mm² 4 x 4 open-in-new Find other Analog switches & muxes

Features

  • Latch-Up Immune
  • Dual Supply Range: ±4.5 V to ±22 V
  • Single Supply Range: 4.5 V to 44 V
  • Low On-Resistance: 4 Ω
  • Low Charge Injection: 3 pC
  • High Current Support: 400 mA (Maximum) (WQFN)
  • High Current Support: 300 mA (Maximum) (TSSOP)
  • –40°C to +125°C Operating Temperature
  • 1.8 V Logic Compatible Inputs
  • Fail-Safe Logic
  • Rail-to-Rail Operation
  • Bidirectional Signal Path
  • Break-Before-Make Switching

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Description

The TMUX7208 is a precision 8:1, single channel multiplexer while the TMUX7209 is a 4:1, 2 channel multiplexer featuring low on resistance and charge injection. The devices work 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 TMUX720x support bidirectional analog and digital signals onthe source (Sx) and drain (D) pins ranging from VSS to VDD.

The TMUX720x are part of the precision switches and multiplexers family of devices and have very low on and off leakage currents allowing them to be used in high precision measurement applications. 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.

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Technical documentation

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Type Title Date
* Data sheet TMUX720x 44-V, Latch-Up Immune, 8:1, 1-Channel and 4:1, 2-Channel Precision Multiplexers with 1.8-V Logic datasheet (Rev. C) Apr. 14, 2021
Application note Precision Multiplexers Reducing Barriers in an Industrial Environment May 21, 2021
User guide TMUX7208 Evaluation Module (Rev. A) Dec. 23, 2020
Certificate TMUX7208EVM EU RoHS Declaration of Conformity (DoC) Dec. 18, 2020
Application note Using Latch Up Immune Multiplexers to Help Improve System Reliability Oct. 09, 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
149
Description

The TMUX7208EVM supports evaluation of the TMUX7208 devices in the 16-pin TSSOP (PW) package. This evaluation module can be used for quick prototyping and testing of the TMUX7208 devices specifically for DC and timing parameters.

Features
  • Quick prototyping and testing setup for the 16-pin TMUX7208 devices in the TSSOP (PW) package
  • Support for both single supply and dual supply operation
  • Six power supply decoupling capacitors (2 × 0.1 μF, 2 × 1 μF, and 2 × 10 μF)
  • Jumpers to nine possible signal lanes, both VDD and VSS power rails, and (...)
INTERFACE ADAPTER Download
document-generic User guide
10
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


Design tools & simulation

SIMULATION MODEL Download
SCDM248.ZIP (238 KB) - IBIS Model

CAD/CAE symbols

Package Pins Download
TSSOP (PW) 16 View options
WQFN (RUM) 16 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

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