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TMUX7219

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

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Product details

Parameters

Configuration 2:1 SPDT Number of channels (#) 1 Power supply voltage - single (V) 12, 16, 20, 36, 44 Ron (Typ) (Ohms) 2.1 ON-state leakage current (Max) (µA) 0.029 Bandwidth (MHz) 40 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) 330 Rating Catalog CON (Typ) (pF) 150 Supply current (Typ) (uA) 25 open-in-new Find other Analog switches & muxes

Package | Pins | Size

VSSOP (DGK) 8 15 mm² 3 x 4.9 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: 2.1 Ω
  • Low Charge Injection: -10 pC
  • High Current Support: 330 mA (Maximum)
  • –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

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Description

The TMUX7219 is a complementary metal-oxide semiconductor (CMOS) switch with latch-up immunity in a single channel, 2:1 (SPDT) configuration. The device works 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 TMUX7219 supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from VSS to VDD.

The TMUX7219 can be enabled or disabled by controlling the EN pin. When disabled, both signal path switches are off. When enabled, the SEL pin can be used to turn on signal path 1 (S1 to D) or signal path 2 (S2 to D). All logic control inputs support logic levels from 1.8 V to VDD, 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 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
* Datasheet TMUX7219 44-V, Latch-Up Immune, 2:1 (SPDT) Precision Switch with 1.8-V Logic datasheet (Rev. C) Dec. 12, 2020
More literature TMUX72XXDGKEVM EU RoHS Declaration of Conformity (DoC) Dec. 18, 2020
User guide TMUX72XXDGKEVM Evaluation Module Dec. 10, 2020

Design & development

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Hardware development

EVALUATION BOARD Download
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Description

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

Features
  • Simplifies prototyping of SMT IC’s
  • Supports 6 common package types
  • Low Cost
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


Design tools & simulation

SIMULATION MODEL Download
SCDM249A.ZIP (268 KB) - IBIS Model

CAD/CAE symbols

Package Pins Download
VSSOP (DGK) 8 View options

Ordering & quality

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