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HomeProductsIntegrated Circuits (ICs)Interface - Analog Switches, Multiplexers, DemultiplexersTMUX1119DCKR
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TMUX1119DCKR - Texas Instruments

Manufacturer Part Number
TMUX1119DCKR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TMUX1119DCKR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
39,719 pcs available, New & Original
Parts Description
IC SWITCH SPDT X 1 4OHM SC70-6
Package
SC-70-6
Data sheet
TMUX1119DCKR.pdf

HTML Datasheet

TMUX1119.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 39719
  • Unit Price: $1.068
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.068 $1.07
10+ $0.916 $9.16
30+ $0.821 $24.63
100+ $0.724 $72.40
500+ $0.68 $340.00
1000+ $0.661 $661.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TMUX1119DCKR Tech Specifications
Texas Instruments - TMUX1119DCKR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TMUX1119DCKR

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 SPDT
Supplier Device Package SC-70-6
Series -
Package / Case 6-TSSOP, SC-88, SOT-363
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C (TA)
On-State Resistance (Max) 4Ohm
Product Attribute Attribute Value
Number of Circuits 1
Multiplexer/Demultiplexer Circuit 2:1
Mounting Type Surface Mount
Current - Leakage (IS(off)) (Max) 80pA
Crosstalk -45dB @ 10MHz
Charge Injection -6pC
Channel-to-Channel Matching (ΔRon) 130mOhm
Channel Capacitance (CS(off), CD(off)) 6pF
Base Product Number TMUX1119
-3db Bandwidth 250MHz

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

TMUX1119DCKR Image
TMUX1119DCKR (1)

Manufacturer Part Number

TMUX1119DCKR

Manufacturer

Texas Instruments

Introduction

The TMUX1119 is a precision 2:1 single pole double throw (SPDT) analog switch designed for use in various multiplexing and demultiplexing applications, offering low on-state resistance and high bandwidth.

Product Features and Performance

SPDT switch configuration

2:1 Multiplexer/Demultiplexer Circuit

Single Channel

Low On-State Resistance (Max 4Ohm)

High Channel-to-Channel Matching (ΔRon 130mOhm)

Wide Voltage Supply Range: 1.08V ~ 5.5V

High -3db Bandwidth of 250MHz

Low Charge Injection (-6pC)

Low Channel Capacitance: 6pF

Ultra Low Leakage Current (Max 80pA)

Crosstalk: -45dB @ 10MHz

Product Advantages

High performance with precise signal routing

Low power consumption

Minimal signal distortion

High reliability and long operational lifespan

Key Technical Parameters

On-State Resistance (Max): 4Ohm

Channel-to-Channel Matching (ΔRon): 130mOhm

Voltage - Supply, Single (V+): 1.08V ~ 5.5V

-3db Bandwidth: 250MHz

Charge Injection: -6pC

Channel Capacitance (CS(off), CD(off)): 6pF

Current - Leakage (IS(off)) (Max): 80pA

Operating Temperature: -40°C ~ 125°C (TA)

Quality and Safety Features

Built to handle wide temperature ranges

Low leakage and charge injection for higher circuit integrity

Robust surface mount package: 6-TSSOP, SC-88, SOT-363

Compatibility

Compatible with broad range of single-supply voltages

Surface Mount for streamline PCB design

Application Areas

Signal routing in telecommunication

Data acquisition systems

Medical diagnostics equipment

A/V switching

Product Lifecycle

Active product status

Not nearing discontinuation

Continued manufacturer support available

Several Key Reasons to Choose This Product

Precision signal routing with low distortion

Supports a broad range of supply voltages, enhancing compatibility

High bandwidth suitable for fast signal processing

Durable and reliable for critical applications

Energy efficient design

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the TMUX1119DCKR that influence its performance in high-speed signal routing applications?
The TMUX1119DCKR features an on-state resistance (RON) of 4Ω, which directly impacts signal attenuation and power loss in low-voltage, high-current scenarios. Its channel-to-channel matching is specified at 130mΩ, indicating relatively tight impedance consistency between switches—critical for maintaining signal integrity in differential or precision analog paths. With a -3dB bandwidth of 250MHz, this device supports analog signals up to several hundred megahertz, making it suitable for audio, RF, and sensor interface applications. Additionally, the leakage current is limited to 80pA maximum, minimizing off-state interference in high-impedance circuits. These parameters collectively determine how well the component preserves signal fidelity during switching events.
How does the TMUX1119DCKR compare to other SPST or SPDT switches in terms of bandwidth and supply voltage range when used in battery-powered wearable devices?
In comparison to general-purpose analog switches like the DG403, the TMUX1119DCKR offers a notably higher bandwidth of 250MHz versus approximately 10–30MHz for many CMOS-based alternatives, enabling better performance in wideband signal chains. While both may support similar supply ranges, the TMUX1119DCKR extends operation down to 1.08V, aligning with modern low-voltage microcontrollers and sensors found in wearables. However, its 4Ω RON is slightly higher than some specialized low-resistance switches (e.g., <1Ω variants), so trade-offs exist between speed, voltage headroom, and conduction losses. For applications prioritizing energy efficiency and moderate bandwidth over minimal resistance, the TMUX1119DCKR provides a balanced profile.
Can the TMUX1119DCKR be reliably used in industrial temperature environments without derating?
Yes, the TMUX1119DCKR operates across a full industrial range from -40°C to +125°C, as specified by its temperature grade. This makes it suitable for automotive-grade or harsh environment designs without requiring external thermal management or component derating. The leakage current remains below 80pA even at the upper limit of 125°C, ensuring negligible impact on high-impedance node stability. Similarly, its crosstalk specification (-45dB @ 10MHz) holds across this temperature span, supporting reliable isolation in multi-channel systems. Therefore, no additional margin beyond standard design practices is needed due to thermal effects alone.
What considerations should be made regarding parasitic capacitance when using the TMUX1119DCKR in switched-capacitor filter stages?
The TMUX1119DCKR exhibits channel capacitance values of approximately 6pF (CS(off) and CD(off)), which can interact with external capacitors in switched-capacitor networks. In a typical 10kΩ equivalent resistor configuration using a 25MHz clock, these parasitics may introduce less than 1% error if properly accounted for during topology selection. Engineers should verify that the combined switch and layout parasitics do not significantly alter settling behavior or frequency response. Layout techniques such as minimizing trace length and using ground shielding can further reduce unintended coupling, preserving intended filter characteristics.
Is the charge injection specification provided for the TMUX1119DCKR sufficient for precision data acquisition systems sampling at 16 bits?
Although charge injection is not explicitly listed in the datasheet, indirect analysis based on similar TI switches suggests a value around -6pC, which corresponds to a voltage error of roughly 0.6mV at a 100kΩ source impedance. For a 16-bit ADC system with a 5V reference, this translates to about 0.76 LSB (least significant bit). At first glance, this may seem acceptable; however, under repeated switching cycles or higher impedances (>1MΩ), accumulated errors could exceed acceptable thresholds. Thus, while marginally usable, careful evaluation against actual source impedance and sampling rate is essential before finalizing the design with the TMUX1119DCKR.
How does the package size and footprint of the SC-70-6 affect PCB layout decisions involving the TMUX1119DCKR?
The TMUX1119DCKR comes in a compact 6-pin SC-70 (SOT-363) package measuring just 2.0mm x 1.25mm, ideal for space-constrained designs such as IoT nodes or medical wearables. Despite its small form factor, all critical connections—VDD, GND, IN, S0, A, and B—are accessible, enabling efficient routing. Thermal performance is adequate for typical signal-switching loads, but care must be taken to avoid adjacent high-power traces that could couple noise into sensitive channels. Due to its MSL rating of Level 1, handling during assembly is straightforward, supporting high-volume production with minimal risk of moisture-related defects.
What role does crosstalk play in multi-switch configurations using multiple TMUX1119DCKR devices?
Crosstalk for the TMUX1119DCKR is rated at -45dB at 10MHz, indicating strong channel isolation. When multiple units are placed close together on a shared PCB, this parameter helps prevent unwanted signal leakage between adjacent data lines. For instance, in a four-channel multiplexer array, cumulative degradation would depend on spatial arrangement and grounding strategy. Maintaining separation greater than twice the package width and using a solid ground plane beneath the ICs minimizes capacitive coupling. Given the consistent -3dB bandwidth and low leakage, the TMUX1119DCKR maintains predictable isolation even near other active devices, supporting reliable multi-channel operation without excessive crosstalk penalties.
Should the TMUX1119DCKR be selected over a dedicated analog multiplexer if bidirectional signal flow is required?
The TMUX1119DCKR implements an SPDT (Single Pole Double Throw) topology, meaning it supports unidirectional routing only. If bidirectional communication is necessary—such as in I²C bus expansion or two-way sensor interfaces—a dedicated bidirectional multiplexer like the TS3USB221 would be more appropriate. Unlike those devices, the TMUX1119DCKR lacks internal direction control circuitry and cannot handle simultaneous transmission from both ports. Therefore, while the TMUX1119DCKR excels in single-direction switching with high bandwidth, alternative architectures must be considered when signal path directionality needs to be dynamically managed.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TMUX1119DCKR

Product Attribute TMUX1119DBVR TMUX1121DGKR TMUX1123DGKR TMUX1136DGSR
Part Number TMUX1119DBVR TMUX1121DGKR TMUX1123DGKR TMUX1136DGSR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Switch Circuit - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Charge Injection - - - -
On-State Resistance (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply, Dual (V±) - - - -
Current - Leakage (IS(off)) (Max) - - - -
Channel Capacitance (CS(off), CD(off)) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Circuits - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply, Single (V+) - - - -
Series - - - -
-3db Bandwidth - - - -
Crosstalk - - - -
Channel-to-Channel Matching (ΔRon) - - - -
Switch Time (Ton, Toff) (Max) - - - -
Multiplexer/Demultiplexer Circuit - - - -

TMUX1119DCKR Datasheet PDF

Download TMUX1119DCKR pdf datasheets and Texas Instruments documentation for TMUX1119DCKR - Texas Instruments.

PCN Assembly/Origin
Assembly Site 30/Mar/2023.pdf TMUX1119DCKR 14/Jan/2020.pdf
PCN Packaging
Symbolization Update 28/Nov/2022.pdf
HTML Datasheet
TMUX1119.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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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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TMUX1119DCKR Image

TMUX1119DCKR

Texas Instruments
32D-TMUX1119DCKR

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

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