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TMUX1121DGKR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TMUX1121DGKR product

TMUX1121DGKR

Chip Resistor - Surface Mount

dual SPSTprecision switchactive highlow leakageVSSOP-8rail-to-rail signal path

TMUX1121DGKR is a dual active-high SPST precision switch for low-voltage analog or digital signal routing where low leakage and low charge injection matter.

Best for

  • Low-leakage signal switching
  • Sample-and-hold circuits
  • Switched gain paths
  • Precision data-acquisition signal routing

Avoid if

  • Signals extend below GND or above VDD
  • Low on-resistance is required at 1.2 V or 1.8 V supply
  • An active-low control switch is required

Check before use

  • Confirm active-high control polarity for both channels.
  • Assess leakage and charge-injection error over the full temperature range.
  • Place a 0.1 uF to 10 uF VDD bypass capacitor close to the device.

Key specifications

Channels
2 independent SPST switches, active high
Supply range
1.08 V to 5.5 V
On-resistance
1.9 Ohm typical at 5 V, 25 C
Leakage
3 pA typical at 5 V, 25 C
Charge injection
-1.5 pC typical at 5 V
Package
VSSOP-8 (DGK)

Compliance & Environment

RoHS
RoHS & Green
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

Data acquisitionIndustrial controlMedical instrumentationTest equipment

Datasheet

c5828a51fd4d27001eda6effffb44b1d.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TMUX1121DGKR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

TMUX1121DGKR is an 8-pin VSSOP dual 1:1 SPST CMOS precision analog switch from Texas Instruments. Both channels are independently controlled and turn on with a logic high input.