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HomeProductsIntegrated Circuits (ICs)Interface - Analog Switches, Multiplexers, DemultiplexersTMUX1111PWR
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TMUX1111PWR - Texas Instruments

Manufacturer Part Number
TMUX1111PWR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TMUX1111PWR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
18,650 pcs available, New & Original
Parts Description
IC SWITCH SPST X 4 4OHM 16TSSOP
Package
16-TSSOP
Data sheet
TMUX1111PWR.pdf

HTML Datasheet

TMUX111x Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 18650
  • Unit Price: $2.058
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.058 $2.06
10+ $2.013 $20.13
30+ $1.982 $59.46
100+ $1.951 $195.10
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TMUX1111PWR Tech Specifications
Texas Instruments - TMUX1111PWR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TMUX1111PWR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply, Single (V+) 1.08V ~ 5.5V
Voltage - Supply, Dual (V±) -
Switch Time (Ton, Toff) (Max) -, -
Switch Circuit SPST
Supplier Device Package 16-TSSOP
Series -
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C (TA)
On-State Resistance (Max) 4Ohm
Product Attribute Attribute Value
Number of Circuits 4
Multiplexer/Demultiplexer Circuit 1:1
Mounting Type Surface Mount
Current - Leakage (IS(off)) (Max) 80pA
Crosstalk -90dB @ 10MHz
Charge Injection -1.5pC
Channel-to-Channel Matching (ΔRon) 130mOhm
Channel Capacitance (CS(off), CD(off)) 7pF, 10pF
Base Product Number TMUX1111
-3db Bandwidth 300MHz

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TMUX1111PWR Image
TMUX1111PWR (1)

Manufacturer Part Number

TMUX1111PWR

Manufacturer

Texas Instruments

Introduction

Precision analog switch for interfacing applications

Product Features and Performance

SPST Configuration

4 independent channels

1:1 Multiplexer/Demultiplexer Circuit

On-State Resistance Max of 4 Ohms

Channel-to-Channel Matching of 130mOhm

Single supply voltage range from 1.08V to 5.5V

High -3dB Bandwidth of 300MHz

Low Charge Injection of -1.5pC

Low Channel Capacitance of 7pF (CS(off)), 10pF (CD(off))

Ultra-low Leakage Current of 80pA Max

Exceptional Crosstalk performance of -90dB at 10MHz

Operational Temperature range from -40°C to 125°C

Product Advantages

Optimized for precision and low error signaling

Excellent signal integrity and low distortion

Provides high bandwidth for faster signal transmission

Low on-resistance and channel-to-channel variation enhances performance

Minimal leakage ensures low power consumption

High crosstalk immunity for improved signal clarity

Supports wide temperature range for robust performance in varied conditions

TMUX1111PWR Image
TMUX1111PWR (2)

Key Technical Parameters

4 independent SPST switches

1:1 Mux/Demux functionality

4 Ohm max RON

300MHz -3db bandwidth

08V to 5.5V supply voltage range

16-TSSOP package

Quality and Safety Features

Operates reliably over industrial temperature ranges

Designed for long-term performance

Manufactured by an industry leader in chip quality and safety

Compatibility

Compatible with a broad range of supply voltages

Standard TSSOP-16 packaging suitable for surface mount technology

Application Areas

Telecommunications

Data acquisition systems

Test equipment

Audio and video switching

Medical diagnostics

Industrial automation

Product Lifecycle

Active product status

Not currently nearing discontinuation

Replacements or upgrades available upon market demand

Several Key Reasons to Choose This Product

Precision analog integration suitable for sensitive applications

High channel density in a small form factor TSSOP package

Texas Instruments' reputation for reliable and durable products

Long lasting lifecycle with active product status

Versatile across numerous applications due to its high-performance features

Support and resources available from Texas Instruments

Frequently Asked Questions(FAQ)

How does the TMUX1111PWR's on-state resistance compare across channels when used in a precision analog switching application requiring tight impedance matching?
The TMUX1111PWR exhibits a channel-to-channel matching (ΔRon) of 130mΩ, which means the variation in on-resistance between any two of its four SPST switches is no more than 0.13Ω under typical operating conditions. In applications such as multiplexed sensor signal paths or precision measurement systems where consistent signal integrity is critical, this level of mismatch can introduce gain errors or timing skews, especially when sourcing from low-impedance sources. Engineers must account for this variation during calibration or design margins, particularly when using multiple channels simultaneously.
What are the implications of the TMUX1111PWR’s supply voltage range (1.08V to 5.5V) when interfacing with modern ultra-low-power microcontrollers?
With a minimum operating voltage of 1.08V, the TMUX1111PWR supports direct integration with many low-voltage digital systems powered below 1.8V, including ARM Cortex-M cores and IoT sensor nodes. This enables single-supply operation without level-shifting circuitry. However, designers should verify that both control logic inputs and analog signals remain within the specified rail limits, as exceeding 5.5V on any pin—even momentarily—can compromise ESD protection diodes and cause latch-up.
Can the TMUX1111PWR be safely used in automotive-grade environments given its industrial temperature range?
While the TMUX1111PWR operates from -40°C to 125°C (TA), meeting standard industrial requirements, it does not carry an official AEC-Q100 qualification from Texas Instruments. For functional safety-critical automotive applications, additional reliability testing may be necessary. That said, its robust electrostatic discharge (ESD) protection (±8kV HBM) and wide supply range make it suitable for non-safety automotive subsystems like infotainment or body electronics where environmental stress is moderate.
How does the crosstalk performance of the TMUX1111PWR at 10MHz affect adjacent channel isolation in RF sampling systems?
At 10MHz, the TMUX1111PWR achieves -90dB of crosstalk rejection between channels. This corresponds to approximately a 0.3% leakage ratio, meaning less than one part in three hundred of a signal on one channel appears on another. While sufficient for most audio or instrumentation applications, this level may become problematic in high-resolution ADC front-ends sampling at higher frequencies (e.g., >100MHz), where capacitive coupling and bandwidth limitations could degrade effective isolation. Careful PCB layout and grounding strategies are essential to maintain this performance.
What role does charge injection play in the TMUX1111PWR’s performance when switching fast transients in switched-capacitor circuits?
The TMUX1111PWR exhibits a charge injection of -1.5pC, indicating that when a channel turns off, a small amount of charge transfers from source to drain due to gate capacitance discharge. In switched-capacitor integrators or sample-and-hold stages, this injected charge directly contributes to voltage offset errors at the output. For example, with a 10nF load capacitor, this results in a 150µV error—significant enough to impact 16-bit systems but manageable in lower-resolution designs through careful timing control or post-processing.
How do the input capacitance specifications (CS(off)=7pF, CD(off)=10pF) influence settling time and drive requirements in high-speed data acquisition systems?
These parasitic capacitances form RC time constants with the source and load impedances. Assuming a 1kΩ source resistance, the turn-on delay increases by roughly τ = R×C = 7ns for CS(off), potentially limiting switching speed in burst-mode ADCs. More critically, during transitions, the TMUX1111PWR must charge/discharge these capacitances, drawing transient current that can couple into nearby traces. In systems requiring sub-microsecond settling, the total effective capacitance seen by the driver becomes significant, necessitating buffer amplifiers or impedance-matched source networks.
Is the TMUX1111PWR suitable for battery-powered medical devices requiring minimal leakage current over long standby periods?
Yes, the device features a maximum off-leakage current of 80pA, which is negligible compared to modern CMOS sensors and microcontrollers. Over a 10-year lithium battery life (≈220mAh capacity), even worst-case leakage consumes less than 0.4mAh, representing <0.2% of total capacity. This makes the TMUX1111PWR appropriate for implantable diagnostic peripherals or wearable health monitors where power budgeting is stringent and quiescent current dominates system efficiency.
When cascading multiple TMUX1111PWR units to increase channel count, what considerations arise regarding bandwidth and signal attenuation?
Each TMUX1111PWR provides -3dB bandwidth of 300MHz, but cascaded switches introduce cumulative insertion loss and phase shift. For instance, two stages yield ~-6dB attenuation at 300MHz, reducing SNR in high-speed serial links. Additionally, channel capacitance adds up, further degrading high-frequency response. Designers should simulate S-parameters or use active buffering between stages if preserving rise time (<3ns) is required—especially in video or RF distribution applications where flat frequency response matters more than simple connectivity.
How does package selection (16-TSSOP) impact thermal and electrical performance in dense PCBs with limited airflow?
The 16-TSSOP package (4.4mm × 6.5mm) offers compact footprint but has limited exposed pad area for heat dissipation compared to QFN alternatives. Although the TMUX1111PWR is not rated for continuous conduction current above a few hundred mA per channel, self-heating during high-duty-cycle switching can raise junction temperatures. Proper via stitching beneath the package and maintaining copper pour connections aid thermal relief. From an EMI standpoint, lead inductance is reduced versus SOIC, helping preserve high-frequency crosstalk specs.
What precautions should be taken during PCB assembly to avoid damaging the TMUX1111PWR’s sensitive input stages?
As an MSL 1 component, the TMUX1111PWR is moisture-insensitive and can be stored indefinitely before reflow. However, handling precautions still apply: avoid hot-air rework near adjacent components; use grounded wrist straps during manual placement; ensure solder paste volume aligns with stencil design to prevent tombstoning. Since input protection relies on internal clamps tied to V+ and GND, accidental floating pins can lead to unpredictable behavior—always tie unused control lines to logic rails per TI’s recommended layout guidelines.
How does the TMUX1111PWR compare to competing SPDT-based multiplexers like the DG409 in terms of circuit complexity and power consumption?
Unlike SPDT switches that require two transistors per channel, the TMUX1111PWR uses single-pole, single-throw (SPST) topology, simplifying control logic and reducing die area. This typically translates to lower quiescent current (≈1µA max) versus SPDT counterparts like the DG409 (~5µA). However, SPDT architectures offer inherent bidirectional capability without additional buffering. For unidirectional routing tasks, the TMUX1111PWR delivers superior integration density and lower cost while maintaining comparable bandwidth.
What are the risks associated with driving the TMUX1111PWR’s control inputs outside the valid logic thresholds?
Applying voltages above V+ + 0.3V or below GND - 0.3V on control pins exceeds the absolute maximum ratings and activates parasitic diodes, potentially causing excessive current flow through ESD structures. Even brief excursions can degrade protection circuitry over time. For systems operating near the lower end of the 1.08V supply range, noise margins shrink significantly, increasing susceptibility to false triggering. Implementing series resistors or using Schmitt-trigger buffers improves immunity without sacrificing switching speed.
In what scenarios would the TMUX1111PWR’s 4Ω on-resistance become a limiting factor despite its suitability for low-voltage signaling?
At full supply (5.5V), 4Ω presents only 0.6% voltage drop when sinking 10mA—acceptable for most logic-level signals. However, in high-current applications (>100mA), resistive losses generate heat and reduce effective voltage headroom. Additionally, when switching power rails rather than signals, this resistance introduces unacceptable IR drop. In such cases, external MOSFET-based switches or dedicated power multiplexers should be considered instead of signal-path ICs like the TMUX1111PWR.
How does the absence of explicit turn-on/turn-off times in the datasheet reflect real-world switching behavior?
Omission of Ton/Toff values suggests these parameters are not guaranteed under all conditions but are typically fast enough (<10ns) for digital applications. Actual transition times depend on gate drive strength, load capacitance, and supply voltage. Without explicit characterization curves, designers rely on simulation models or empirical testing. For precision timing applications like synchronous sampling, assume worst-case delays and add guard bands unless verified via oscilloscope probing.
Can the TMUX1111PWR be used in redundant fault-tolerant architectures requiring hot-swappable channel failover?
The device lacks built-in diagnostics or fail-safe states, so external monitoring circuitry is needed to detect open/short faults on individual channels. During hot insertion, undervoltage lockout prevents latch-up, but uncontrolled backpowering through switched outputs must be avoided via diode isolation or ideal diodes. Redundancy adds complexity without native support, making it better suited for non-critical routing rather than mission-critical failover systems.
What trade-offs exist between using the TMUX1111PWR versus discrete analog switches in space-constrained designs?
Integrating four switches into a single IC reduces BOM count, saves board area, and minimizes trace lengths, improving EMI and crosstalk performance. However, discrete solutions allow customization of transistor sizing for specific Ron/bandwidth needs. The TMUX1111PWR strikes a balance by offering moderate performance across all channels with standardized control interface—ideal when channel synchronization and layout consistency outweigh absolute optimization of any single parameter.
How does RoHS3 compliance and REACH status influence global market deployment for the TMUX1111PWR?
RoHS3 certification ensures halogen-free materials and restricted hazardous substances, facilitating entry into EU and North American markets without additional testing. REACH Unaffected status indicates no SVHC content above regulatory thresholds, simplifying export documentation. Combined with EAR99 classification, the TMUX1111PWR avoids ITAR restrictions and supports broad commercial use across consumer, industrial, and medical sectors without special licensing.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TMUX1111PWR

Product Attribute TMUX1112PWR TMUX1113PWR TMUX1108PWR TMUX1109PWR
Part Number TMUX1112PWR TMUX1113PWR TMUX1108PWR TMUX1109PWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
On-State Resistance (Max) - - - -
Charge Injection - - - -
Voltage - Supply, Dual (V±) - - - -
Switch Time (Ton, Toff) (Max) - - - -
Voltage - Supply, Single (V+) - - - -
Switch Circuit - - - -
Number of Circuits - - - -
Channel-to-Channel Matching (ΔRon) - - - -
-3db Bandwidth - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Channel Capacitance (CS(off), CD(off)) - - - -
Crosstalk - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Multiplexer/Demultiplexer Circuit - - - -
Current - Leakage (IS(off)) (Max) - - - -

TMUX1111PWR Datasheet PDF

Download TMUX1111PWR pdf datasheets and Texas Instruments documentation for TMUX1111PWR - Texas Instruments.

PCN Design/Specification
Design 22/Feb/2022.pdf Mult Dev Marking Chgs 16/Mar/2023.pdf
HTML Datasheet
TMUX111x Datasheet.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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TMUX1111PWR Image

TMUX1111PWR

Texas Instruments
32D-TMUX1111PWR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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