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TMUX4821

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+/-15-V beyond the supply, 1:1 (SPST) 2-channel switch with 1.2-V compatible logic

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Data sheet

TMUX4821

ACTIVE
Data sheet Order now

Product details

Configuration 1:1 SPST Number of channels 2 Power supply voltage - single (V) 1.8, 2.5, 3.3, 5 Protocols Analog Audio Ron (typ) (Ω) 0.16 CON (typ) (pF) 40 ON-state leakage current (max) (µA) 1 Supply current (typ) (µA) 50 Operating temperature range (°C) -40 to 125 Features 1.2-V compatible control inputs, 1.8-V compatible control inputs, Fail-safe logic, Integrated pulldown resistor on logic pin, Powered-off protection, Supports input voltage beyond supply, Supports negative voltages Input/output continuous current (max) (A) 1.1 Rating Catalog Drain supply voltage (max) (V) 15 Supply voltage (max) (V) 5.5
Configuration 1:1 SPST Number of channels 2 Power supply voltage - single (V) 1.8, 2.5, 3.3, 5 Protocols Analog Audio Ron (typ) (Ω) 0.16 CON (typ) (pF) 40 ON-state leakage current (max) (µA) 1 Supply current (typ) (µA) 50 Operating temperature range (°C) -40 to 125 Features 1.2-V compatible control inputs, 1.8-V compatible control inputs, Fail-safe logic, Integrated pulldown resistor on logic pin, Powered-off protection, Supports input voltage beyond supply, Supports negative voltages Input/output continuous current (max) (A) 1.1 Rating Catalog Drain supply voltage (max) (V) 15 Supply voltage (max) (V) 5.5
WSON (DSG) 8 4 mm² 2 x 2
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Technical documentation

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* Data sheet TMUX48xx ±15V Beyond the Supply, 1:1 2-Channel, 2:1 1-Channel, Power-Off Protection Switch, with 0.16Ω Ron, 1.2V and 1.8V Compatible Logic datasheet (Rev. A) PDF | HTML 10 Dec 2025
Application note Low Ron Multiplexers in PLC Applications PDF | HTML 01 Oct 2025

Design & development

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Evaluation board

TMUX48XX-DSG-DDF-EVM — TMUX48xx evaluation module

The TMUX48XX-DSG-DDF-EVM is used to evaluate the performance of the TMUX4821 and TMUX4819. The evaluation module (EVM) comes with a soldered TMUX4821. The EVM allows for an easy way for engineers to evaluate the TMUX4821 and TMUX4819 low Ron and ΔRon capabilities. The EVM has multiple resistor (...)
User guide: PDF | HTML
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Simulation model

TMUX4821 IBIS Model

SCDM339.ZIP (9 KB) - IBIS Model
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