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TDA8939 General Description


 Zero dead time switching
Maximum output current 7.5 A
Standby mode
High efficiency
Operating voltage from ±10 V to ±30 V (symmetrical) or 20 V to 60 V (asymmetrical)
Low quiescent current
High output power
Diagnostic output
Thermal protection, current protection and voltage protection.


 Television sets
Home-sound sets
Multimedia systems
All mains fed audio systems
Car audio (boosters).



Zero dead time Class-D 7.5 A power comparator

The TDA8939 is a power comparator designed for use in a high efficiency class-D audio power amplifier system.

It contains power switches, drive logic, protection circuitry, bias circuitry and a fully differential input stage (comparator).

This TDA8939 is optimized for applications in fully digital open-loop class-D audio systems (in combination with a digital PWM controller).

The TDA8939 power comparator operates with high efficiency and low dissipation. The system operates over a wide supply voltage range from ±10 V up to ±30 V.

TDA8939 Suppliers

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  • TDA8939TH/N1

  • Vendor: nxp Pack: SOP D/C: 10+ Qty: 5200 Note: ORIGINAL.Skype:teven009 Special offer  Adddate: 2016-07-28
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  • eastech electronics limited   China    VIP Member
    Contact: Mr.Teven  
    Tel: 86-755-82772775
  • TDA8939TH/N1

  • Vendor: PHI Pack: HSOP24 D/C: 0450+ Qty: 1161  Adddate: 2016-07-28
  • Inquire Now
  • Mega Source Elec Ltd   Hong    VIP Member
    Contact: Ms.Tara   Skype:mary75791
    Tel: 86-755-83690382

TDA8939 Datasheet

About TDA8939

PDF/DataSheet Download

Datasheet: TDA8939

File Size: 101782 KB

Manufacturer: PHILIPS

Download : Click here to Download

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