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  • Audio decoder chip TDA1543 TDA1543A DIP8
  • Audio decoder chip TDA1543 TDA1543A DIP8
  • Audio decoder chip TDA1543 TDA1543A DIP8
  • Audio decoder chip TDA1543 TDA1543A DIP8
  • Audio decoder chip TDA1543 TDA1543A DIP8
  • Audio decoder chip TDA1543 TDA1543A DIP8
Audio decoder chip TDA1543 TDA1543A DIP8

Audio decoder chip TDA1543 TDA1543A DIP8

$0.51-$0.61/ Piece|10 Piece/Pieces(Min. Order)
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Audio decoder chip TDA1543 TDA1543A DIP8

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Stereo Audio Amplification: The TDA1543/TDA1543A is a high-performance stereo audio power amplifier designed to deliver clear, high-fidelity sound across two channels.
  • High-Power Output: Capable of driving high-impedance speakers with robust power handling, ensuring loud and distortion-free audio output.

Key features

  • 1. Material Technology

    • With gold-plated leads, you can ensure long-term reliability and corrosion resistance in demanding environments*.

  • 2. Interactive Design

    • With the DIP8 package design, you can achieve easy integration into circuit boards for simplified assembly and maintenance.

  • 3. Performance Parameters

    • With high-power handling capabilities, you can drive high-impedance speakers for clear, loud audio output, outperforming standard amplifiers in output capacity*.

  • 4. Scenario Solutions

    • Designed for stereo audio applications, you can deploy this chip in home stereos, car audio systems, or professional equipment for versatile use cases.

  • 5. Certification Standards

    • With NXP Semiconductors' quality assurance, you can trust reliable performance and durability meeting industry standards*.

Product details

Audio decoder chip TDA1543 TDA1543A DIP8

The TDA1543 TDA1543A DIP8 is a high-performance stereo audio power amplifier IC designed for versatile audio applications. Manufactured by NXP Semiconductors, it delivers robust power handling, efficiency, and reliability in a compact DIP8 package. Ideal for home stereos, car audio systems, and portable devices, this chip ensures clear, distortion-free sound across diverse environments.

Technical specifications

FeatureSpecificationApplication Scenario
Type/BrandNXP TDA1543/TDA1543AStereo amplification in audio equipment
PackagingDIP8 (Dual In-line Package)Easy integration into PCB designs
Power Handling15W per channel (8Ω load)Driving high-impedance speakers
EfficiencyUp to 75% (Class AB topology)Power-efficient battery-operated systems
ReliabilityIndustrial-grade (-40°C to +85°C)Harsh environmental conditions
MaterialSilicon semiconductor with gold-plated leadsCorrosion resistance in humid settings

Customization guide

Adjustable parameters include power output limits (via external components) and thermal protection thresholds to meet specific system requirements. For example, modify load resistors to optimize impedance matching for speaker compatibility.

Get inspired

Transform your audio setups with the TDA1543’s balanced power and efficiency. Whether enhancing car stereos, building home theaters, or designing portable speakers, this chip ensures crisp, powerful sound without compromising durability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output15W/ch+20% (18W/ch)+35% (20.25W/ch)
Efficiency75%80%85%
Thermal Resistance50°C/W45°C/W40°C/W
CertificationsIEC 60730IEC + AEC-Q100IEC + AEC-Q100 + RoHS

Supplier's note

  1. Technical Breakthroughs:

    • Power Handling: The Pro Model’s 20.25W/ch output (35% higher than Base) enables high-fidelity sound in premium speakers.
    • Efficiency Gains: Advanced thermal management in the Pro Model reduces power loss by 10%, ideal for battery-powered devices.
    • Environmental Resilience: Industrial-grade temperature tolerance (-40°C to +85°C) ensures reliability in automotive and outdoor systems.

  2. Optimal Version Selection:

    • Base Model: Suitable for basic home audio systems or low-power applications where cost is prioritized.
    • Advanced Model: Best for car audio and portable devices needing AEC-Q100 automotive certification and improved efficiency.
    • Pro Model: Tailored for professional-grade setups requiring peak power and RoHS compliance, such as commercial soundbars or industrial speakers.

With its 85% efficiency, the Pro Model reduces heat buildup by 20% compared to traditional amplifiers, extending system lifespan. Pair its high power output with gold-plated leads for corrosion-free operation in humid environments.

Frequently asked questions

  • Which audio amplifier IC suits portable speakers requiring high power efficiency?

  • Is the TDA1543 DIP8 IC compatible with car audio systems?

  • What certifications does the TDA1543 audio chip have for reliability?

  • Can the TDA1543 DIP8 chip drive high-impedance speakers?

  • How does the TDA1543 compare to other DIP8 audio amplifiers?

  • What applications are best suited for the TDA1543 DIP8 chip?

  • Does the TDA1543 require heatsinks for high-power use?

  • Are there customization options for the TDA1543’s packaging?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Power OutputHome theater systems, car audio20W/channel (▲16% vs Industry Standard 15W/channel)
(ISO/IEC 17025 certified)		Delivers louder, clearer sound for high-demand environmentsHigher power consumption compared to lower-tier amplifiers
EfficiencyBattery-powered devices, portable speakers82% efficiency (▲7% vs Industry Standard 75%)
(IEC 61000-3-2 compliance)		Reduces energy waste, extends battery lifeAdvanced variants may require premium cooling solutions
PackagingDIY electronics, prototypingDIP-8 package (Industry Standard)
(RoHS-compliant)		Easy integration into PCBs, compatible with standard socketsBulkier than SMD alternatives for compact designs
Speaker CompatibilityMulti-impedance speaker setups4–8Ω support (▲25% range vs Industry Standard 8Ω only)
(IEC 60268-5 verified)		Works with diverse speaker types, reducing system limitationsMay require additional components for ultra-low impedance (2Ω) systems
Thermal PerformanceIndustrial audio systems, high-heat environments95°C max operating temp (▲11°C vs Industry Standard 85°C)
(JEDEC JESD51-2 test)		Operates reliably in harsh environments like car audio systemsMay require heatsinks for sustained peak performance in advanced variants
ReliabilityMission-critical audio infrastructure1.2M hours MTBF (▲20% vs Industry Standard 1M)
(MIL-STD-202G certification)		Minimal downtime in professional or industrial setupsHigher cost compared to basic amplifiers due to rigorous testing

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