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TMUX2819

ACTIVO

Interruptor ±5.5 V por encima de la potencia, 1 canal, 2:1 (SPDT) con lógica compatible de 1.2 V

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Hoja de datos

document-pdfAcrobat TMUX28xx ±5.5V 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 (Inglés) PDF | HTML

TMUX2819

ACTIVO

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Detalles del producto

Configuration

2:1 SPDT

Number of channels

1

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)

5.5

Configuration

2:1 SPDT

Number of channels

1

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)

5.5

WSON (DSG)

8

4 mm² (2 mm × 2 mm)

Supply range: 1.8V to 5.5V
Beyond the supply signal range:-5.5V to 5.5V
High current support: 1.1A (maximum)
Ultra-low on-resistance: 0.16Ω
Low on-resistance flatness: 1.0mΩ
Low THD+N: 0.001% (-100dB)
–40°C to +125°C operating temperature
Power-Off Protection
1.8V logic compatible at 5V VDD
1.2V logic compatible at 1.8V VDD
Integrated Pull-Down Resistor on Logic Pins
Fail-safe logic
Break-before-make switching

Supply range: 1.8V to 5.5V
Beyond the supply signal range:-5.5V to 5.5V
High current support: 1.1A (maximum)
Ultra-low on-resistance: 0.16Ω
Low on-resistance flatness: 1.0mΩ
Low THD+N: 0.001% (-100dB)
–40°C to +125°C operating temperature
Power-Off Protection
1.8V logic compatible at 5V VDD
1.2V logic compatible at 1.8V VDD
Integrated Pull-Down Resistor on Logic Pins
Fail-safe logic
Break-before-make switching

The TMUX28xx is a complementary metal-oxide semiconductor (CMOS) multiplexer with 2 configurations available: 1:1, single-pole, single-throw (SPST) 2-channel (TMUX2821) and 2:1, single-pole, double-throw (SPDT) 1-channel (TMUX2819). This device works with a single supply (1.8V to 5.5V), but can pass bidirectional analog and digital signals beyond the supply from -5.5V to 5.5V.

The TMUX28xx also features bidirectional powered off protection up to ±5.5V, which isolates the switch even when there is no supply voltage present (VDD = 0V). Without this protection feature, any voltage on the switch can back-power the supply rail through an internal ESD diode and cause potential damage to the rest of the system.

With 0.001% THD+N and 1mΩ RON-flatness, the TMUX28xx is an excellent choice for passing precision analog and audio signals without adding distortion.

The TMUX28xx is a complementary metal-oxide semiconductor (CMOS) multiplexer with 2 configurations available: 1:1, single-pole, single-throw (SPST) 2-channel (TMUX2821) and 2:1, single-pole, double-throw (SPDT) 1-channel (TMUX2819). This device works with a single supply (1.8V to 5.5V), but can pass bidirectional analog and digital signals beyond the supply from -5.5V to 5.5V.

The TMUX28xx also features bidirectional powered off protection up to ±5.5V, which isolates the switch even when there is no supply voltage present (VDD = 0V). Without this protection feature, any voltage on the switch can back-power the supply rail through an internal ESD diode and cause potential damage to the rest of the system.

With 0.001% THD+N and 1mΩ RON-flatness, the TMUX28xx is an excellent choice for passing precision analog and audio signals without adding distortion.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés		Fecha
*	Hoja de datos	TMUX28xx ±5.5V 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	PDF \| HTML		19/12/2025
	Nota sobre la aplicación	Low Ron Multiplexers in PLC Applications	PDF \| HTML		1/10/2025

Diseño y desarrollo

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Placa de evaluación

TMUX28XX-DSG-DDF-EVM — Módulo de evaluación TMUX28xx

El TMUX28XX-DSG-DDF-EVM se utiliza para evaluar el rendimiento de los dispositivos TMUX2821 y TMUX2819. El módulo de evaluación (EVM) viene con un TMUX2821 soldado. El EVM permite a los ingenieros evaluar fácilmente las características de baja Ron y ΔRon del TMUX2821 y del TMUX2819. El EVM tiene (...)

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