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TDA7492

50 W + 50 W dual BTL class-D audio amplifier
  • active Active

The TDA7492 is a dual BTL class-D audio amplifier with single power supply designed for LCD TVs and monitors.

Thanks to the high efficiency and exposed-pad-up (EPU) package only a simple heatsink is required.

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Errata Sheet
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Datasheet

Key Features

  • 50 W + 50 W continuous output power at THD = 10% with RL= 6 Ω and VCC = 25 V
  • 40 W + 40 W continuous output power at THD = 10% with RL= 8 Ω and VCC = 25 V
  • Wide-range single-supply operation (8 - 26 V)
  • High efficiency (η = 90%)
  • Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB
  • Differential inputs minimize common-mode noise
  • Standby and mute features
  • Short-circuit protection
  • Thermal overload protection
  • Externally synchronizable
  • ECOPACK®, environmentally-friendly package

Circuit Diagram

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DS5908: 50 W + 50 W dual BTL class-D audio amplifier
5.0 532 KB

Application Notes

Description Version Size
pdf
AN3385: 50 W + 50 W dual BTL class-D audio amplifier demonstration board based on the TDA7492
1.0 822 KB
pdf
AN3412: 10 W + 10 W dual BTL class-D audio amplifier demonstration board based on the TDA7491P
1.1 1,018 KB
pdf
AN3956: 5 W + 5 W dual BTL class-D audio amplifier demonstration board based on the TDA7491LP
1.0 1,487 KB
pdf
AN4015: Dual-BTL class-D audio amplifier demonstration board based on the TDA7498E
1.0 2,346 KB
pdf
AN4170: 20 W + 20 W dual BTL class-D audio amplifier demonstration board based on the TDA7491HV
1.0 1,125 KB
pdf
AN4171: 25 W mono BTL class-D audio amplifier demonstration board based on the TDA7491MV
1.0 792 KB

Related Tools and Software

Related Tools and Software

Part Number Description
STEVAL-CCA027V1 50 W+50 W dual BTL class-D audio amplifier demonstration board based on TDA7492

Sample & Buy

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Part Number Marketing StatusPackagePacking TypeOperating Temperature (min) Operating Temperature (max) Automotive GradeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
TDA7492ActivePowerSSO 36Tube070_-2Distributor reported inventory date: 2014-04-18
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA1771225
Ecopack2PDF
XML
TDA749213TRActivePowerSSO 36Tape And Reel_-2Distributor reported inventory date: 2014-04-18
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA10001000
DIGIKEYOrder NowWORLDWIDE6071
Ecopack2PDF
XML

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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