TLK4201EARGTTG4 Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock

The TLK4201EARGTTG4 is an adaptive cable equalizer IC from Texas Instruments designed for differential signal conditioning in high-speed serial links in a 16-pin QFN package. It compensates for cable-induced inter-symbol interference and high-frequency loss in serial data transmission systems. Available from stock with competitive pricing and worldwide shipping.

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
TLK4201EARGTTG4Quad Flat No-Lead
Quick Facts
Manufacturer
Texas Instruments
Package
Quad Flat No-Lead
Pin Count
16
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Adaptive cable equalizer with automatic adaptation to different cable lengths and loss characteristics
  • Differential signal processing for superior noise immunity in high-speed serial data transmission
  • 16-pin QFN package with heat slug providing excellent thermal performance in compact form factor
  • RoHS-compliant Pb-free construction with 260°C peak reflow temperature compatibility
  • Single-function design optimized for coaxial and twinaxial cable equalization in high-speed systems

Applications

The TLK4201EARGTTG4 is used in high-speed serial communication backplanes, video broadcasting equipment, and long-distance cable interconnect systems where signal integrity must be maintained across extended cable runs. It suits SMPTE, HD-SDI, and serial RapidIO applications requiring adaptive equalization to compensate for frequency-dependent cable losses. The component is also deployed in test and measurement instruments and medical imaging systems that transmit high-bandwidth differential signals over extended cable distances.

Specifications

Pbfree CodeYes
YTEOL0
JESD-30 CodeS-PQCC-N16
JESD-609 Codee4
Number of Functions1
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeLCC16,.12SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Supply Current-Max0.038mA
Supply Voltage-Nom3.3V
Surface MountYES
Telecom IC TypeTELECOM CIRCUIT
Temperature GradeINDUSTRIAL
Terminal FinishNICKEL PALLADIUM GOLD
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 2
HTS Code8542.39.00.01

Datasheet

TLK4201EARGTTG4 Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for TLK4201EARGTTG4:

TLK4201EARGTTTexas Instruments Telecom Circuit,

1-Func, PQCC16

View Part →

Frequently Asked Questions

What does an adaptive cable equalizer like the TLK4201EARGTTG4 do?

The TLK4201EARGTTG4 adaptive cable equalizer compensates for the frequency-dependent signal attenuation that occurs when high-speed serial data is transmitted over cables. Longer cables cause greater high-frequency loss, creating inter-symbol interference. The adaptive equalizer automatically adjusts its frequency response to restore signal integrity at the receiver end, regardless of cable length.

What type of signals does the TLK4201EARGTTG4 process?

The TLK4201EARGTTG4 processes differential signals, which provide inherent common-mode noise rejection compared to single-ended signaling. Differential operation makes the device suitable for high-speed serial links in noisy environments, including professional video broadcast, telecommunications backplanes, and industrial data acquisition systems where electromagnetic interference is a concern.

What package is the TLK4201EARGTTG4 available in?

The TLK4201EARGTTG4 is packaged in a 16-pin QFN (Quad Flat No-Lead) package with an integrated heat slug for enhanced thermal dissipation. The QFN package provides a very compact 0.12 square form factor with excellent electrical performance, and the heat slug directly transfers heat to the PCB ground plane for efficient thermal management.

What serial interface standards is the TLK4201EARGTTG4 suitable for?

The TLK4201EARGTTG4 is suitable for various high-speed serial standards including SMPTE serial digital interface (SDI) for broadcast video, coaxial and twinaxial backplane interconnects, and other differential serial protocols requiring cable equalization. Its adaptive nature accommodates multiple data rates and cable types without manual tuning.

What is the peak reflow temperature for assembling the TLK4201EARGTTG4?

The TLK4201EARGTTG4 supports a peak reflow temperature of 260°C, complying with standard lead-free SMT assembly processes. The Pb-free, RoHS-compliant construction ensures compliance with environmental regulations while maintaining compatibility with modern manufacturing processes including vapor phase and convection reflow soldering systems.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
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Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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