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TDA7294

100 V, 100 W DMOS audio amplifier with mute and standby
  • active Active

The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass TV). Thanks to the wide voltage range and to the high out current capability it is able to supply the highest power into both 4Ω and 8Ω loads even in presence of poor supply regulation, with high Supply Voltage Rejection.

The built in muting function with turn on delay simplifies the remote operation avoiding switching on-off noises.

pdf Please read
Errata Sheet
pdf Download
Datasheet

Key Features

  • VERY HIGH OPERATING VOLTAGE RANGE (±40V)
  • DMOS POWER STAGE
  • HIGH OUTPUT POWER (UP TO 100W MUSIC POWER)
  • MUTING/STAND-BY FUNCTIONS
  • NO SWITCH ON/OFF NOISE
  • NO BOUCHEROT CELLS
  • VERY LOW DISTORTION
  • VERY LOW NOISE
  • SHORT CIRCUIT PROTECTION
  • THERMAL SHUTDOWN

Circuit Diagram

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DS0013: 100V - 100W DMOS audio amplifier with mute/st-by
7.3 1,478 KB

Application Notes

Description Version Size
pdf
AN4176: 4 x 10 W class-AB amplifier demonstration board based on the STA540SAN
1.0 1,416 KB

Related Tools and Software

Related Tools and Software

Part Number Description
STSW-AUDIO001 SW Demos-Audio Power Amplifiers, Class AB <5V-TS4956

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**
TDA7294HSActiveMW 15LTube_-1.6Distributor reported inventory date: 2014-04-18
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA20
Farnell Element14Order NowEUROPE4151
MOUSEROrder NowWORLDWIDE5761
Ecopack1-
TDA7294VActiveMW 15LTube_-1.6Distributor reported inventory date: 2014-04-18
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA1290
P&SOrder NowASIA/PACIFIC1441
ARROWOrder NowEUROPE2400
Farnell Element14Order NowEUROPE1211
RS COMPONENTSOrder NowEUROPE7101
DIGIKEYOrder NowWORLDWIDE2211
MOUSEROrder NowWORLDWIDE1761
Ecopack1-

(*) 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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