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Product Detailed Parameters
- Description：IC SWITCH SPST X 4 4OHM 16UQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：4Ohm
- Channel-to-Channel Matching (ΔRon)：130mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：300MHz
- Charge Injection：-1.5pC
- Channel Capacitance (CS(off), CD(off))：7pF, 10pF
- Current - Leakage (IS(off)) (Max)：80pA
- Crosstalk：-90dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-UFQFN
- Supplier Device Package：16-UQFN (2.6x1.8)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TMUX1112RSVR is a precision analog switch IC from Texas Instruments featuring four independent single-pole single-throw (SPST) channels. It operates on a single supply voltage ranging from 1.08 V to 5.5 V and supports bidirectional analog and digital signals between ground and VDD. The device offers a maximum on-state resistance of 4.9 Ohms and a maximum power supply current of 1 uA. It functions within an operating temperature range of -40°C to +125°C and is housed in a UQFN-16 package.
Feature Summary
- Four independent SPST switches with low leakage current
- Wide single-supply operation from 1.08 V to 5.5 V
- Bidirectional signal switching capability
- Extended industrial temperature range
Applications
- Medical equipment signal routing
- Industrial system data acquisition
- Portable instrumentation multiplexing
Procurement Notes
Verify the specific ordering suffix RSVR confirms the UQFN-16 package and reel packaging configuration. Ensure compatibility with the target PCB footprint and reflow soldering profile for surface-mount installation. Cross-reference the manufacturer datasheet for RoHS compliance details and handling precautions regarding electrostatic discharge sensitivity during assembly.
Selection Notes
Select this component when four isolated SPST switches are required within a compact form factor. The wide input voltage range accommodates various logic levels without level shifting. Consider the 4.9 Ohm on-resistance for signal integrity requirements and verify that the 1 uA quiescent current meets low-power design constraints for battery-operated applications.
Part Context
This part belongs to the TMUX111x series of precision CMOS analog switches. The family is characterized by ultra-low leakage current and high accuracy, making it suitable for sensitive measurement circuits. The RSVR suffix specifically denotes the tape-and-reel packaging variant of the UQFN-16 package, distinguishing it from tube-packaged alternatives like the PWR variant.
Replacement Considerations
- TMUX1112PWR
- TMUX1111RSVR
FAQ
What is the maximum on-state resistance for the TMUX1112RSVR?
The maximum on-state resistance is specified as 4.9 Ohms.
Does the TMUX1112RSVR support dual supplies?
The datasheet specifies single supply operation; dual supply support is not documented for this specific model.
What package type does the TMUX1112RSVR use?
It utilizes a UQFN-16 surface-mount package.
