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TMUX1109
  • TMUX1109
  • TMUX1109
  • TMUX1109

TMUX1109

ACTIVE

3-pA on-state leakage current, 5-V, ±2.5-V, 4:1, 2-channel precision multiplexer

Texas Instruments TMUX1109 Product Info

1 April 2026 6

Parameters

Configuration

4:1

Number of channels

2

Power supply voltage - single (V)

1.2, 1.8, 2.5, 3.3, 5

Power supply voltage - dual (V)

+/-2.5

Protocols

Analog

Ron (typ) (Ω)

2.5

CON (typ) (pF)

35

ON-state leakage current (max) (µA)

0.003

Supply current (typ) (µA)

0.008

Bandwidth (MHz)

155

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) (A)

0.03

Rating

Catalog

Drain supply voltage (max) (V)

5.5

Supply voltage (max) (V)

5.5

Package

TSSOP (PW)-16-32 mm² 5 x 6.4

Features

  • Single supply range: 1.08V to 5.5V
  • Dual supply range: ±2.75V
  • Low leakage current: 3pA
  • Low charge injection: 1pC
  • Low on-resistance: 1.8Ω
  • -40°C to +125°C operating temperature
  • 1.8V logic compatible
  • Fail-safe logic
  • Rail to rail operation
  • Bidirectional signal path
  • Break-before-make switching
  • ESD protection HBM: 2000V
  • Single supply range: 1.08V to 5.5V
  • Dual supply range: ±2.75V
  • Low leakage current: 3pA
  • Low charge injection: 1pC
  • Low on-resistance: 1.8Ω
  • -40°C to +125°C operating temperature
  • 1.8V logic compatible
  • Fail-safe logic
  • Rail to rail operation
  • Bidirectional signal path
  • Break-before-make switching
  • ESD protection HBM: 2000V

Description

The TMUX1109 is a precision complementary metal-oxide semiconductor (CMOS) multiplexer (MUX). The TMUX1109 offers differential 4:1 or dual 4:1 single-ended channels. Wide operating supply of 1.08V to 5.5V allows for use in a broad 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 1.8V logic compatible thresholds, allowing for 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 TMUX1109 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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