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TPA3121D2 Status:ACTIVE

15-W Stereo Class-D Audio Power Amplifier

      
         
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See Also

  • TPA3124D2 - The device is an EXACT EQUIVALENT in functionality and parametrics to the compared device.  Identical to the TPA3121D2 except with a Faster Mute

Datasheet

Download - PDF Icon
  • 15-W Stereo Class-D Audio Power Amplifier (tpa3121d2.pdf, 888 KB)
    19 May 2008 Download

 TPA3100D2 TPA3101D2 TPA3107D2 TPA3121D2TPA3123D2 TPA3124D2 
Speaker ChannelsStereo  Stereo  Stereo  Stereo  Stereo  Stereo  
Headphone ChannelsNone  None  None     
Output Power(W)20  10  15  15  25  15  
Load(Min)(ohms)4  4  6  4  4  4  
Supply(V)10 - 26  10 - 26  10 - 26V  10 to 26  10 - 30V  10 to 26  
Half Power THD + N @ 1 kHz (%)(kHz)0.11  0.09  0.08  0.08  0.08  0.08  
Iq per channel(Typ)(mA)18  22  18  16  30  16  
ISD(uA)80  180  180  390  390  390  
PSRR(dB)70  70  70  60  60  60  
Operating Temp Range(Celsius)-40 to 85  -40 to 85  -40 to 85  -40 to 85  -40 to 85  -40 to 85  
Pin/Package48HTQFP,48QFN  48HTQFP,48QFN  64HTQFP  24HTSSOP  24HTSSOP  24HTSSOP  
 SamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventory

Product Information

Features

  • 10-W/Ch Stereo Into an 8- Load From a 24-V Supply
  • 15-W/Ch Stereo Into a 4- Load from a 22-V Supply
  • 30-W/Ch Mono Into an 8- Load from a 22-V Supply
  • Operates From 10 V to 26 V
  • Can Run From +24 V LCD Backlight Supply
  • Efficient Class-D Operation Eliminates Need for Heat Sinks
  • Four Selectable, Fixed-Gain Settings
  • Internal Oscillator to Set Class D Frequency (No External Components Required)
  • Single-Ended Analog Inputs
  • Thermal and Short-Circuit Protection With Auto Recovery
  • Space-Saving Surface Mount 24-Pin TSSOP Package
  • Advanced Power-Off Pop Reduction
  • APPLICATIONS
    • Flat Panel Display TVs
    • DLP TVs
    • CRT TVs
    • Powered Speakers

DLP Is a trademark of Texas Instruments.
System Two, Audio Precision are trademarks of Audio Precision, Inc.

Description

The TPA3121D2 is a 15-W (per channel), efficient, class-D audio power amplifier for driving stereo speakers in a single-ended configuration or a mono speaker in a bridge-tied-load configuration. The TPA3121D2 can drive stereo speakers as low as 4 . The efficiency of the TPA3121D2 eliminates the need for an external heat sink when playing music.

The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, and 36 dB.

The patented start-up and shutdown sequences minimize pop noise in the speakers without additional circuitry.

    

Pricing / Packaging / CAD Design Tools / Samples

Price ($US)PackagingSamples
DeviceStatusTemp (oC)Price ($US) | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
TPA3121D2PWPACTIVE-40 to 851.45 | 1kuHTSSOP (PWP) | 24 View 60 | TUBEPurchase Samples
TPA3121D2PWPG4ACTIVE-40 to 851.45 | 1kuHTSSOP (PWP) | 24 View 60 | TUBEPurchase Samples
TPA3121D2PWPRACTIVE-40 to 851.45 | 1kuHTSSOP (PWP) | 24 View 2000 | LARGE T&R
TPA3121D2PWPRG4ACTIVE-40 to 851.45 | 1kuHTSSOP (PWP) | 24 View 2000 | LARGE T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

  TI Inventory Status Reported Distributor Inventory
TPA3121D2PWPAs of 7:54 AM GMT, 21 Aug 2008As of 7:54 AM GMT, 21 Aug 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 21 Oct 8 Weeks AmericasArrow 360
TPA3121D2PWPG4As of 7:54 AM GMT, 21 Aug 2008As of 7:54 AM GMT, 21 Aug 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 21 Oct 8 Weeks None Reported
View Distributors		   
TPA3121D2PWPRAs of 7:54 AM GMT, 21 Aug 2008As of 7:54 AM GMT, 21 Aug 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 21 Oct 12 Weeks None Reported
View Distributors		   
TPA3121D2PWPRG4As of 7:54 AM GMT, 21 Aug 2008As of 7:54 AM GMT, 21 Aug 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 21 Oct 12 Weeks None Reported
View Distributors		   
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
TPA3121D2PWP RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
TPA3121D2PWPG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
TPA3121D2PWPR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
TPA3121D2PWPRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

  • 15-W Stereo Class-D Audio Power Amplifier (tpa3121d2.pdf, 888 KB)
    19 May 2008 Download

Application Notes

View Application Notes for Analog-Input Class-D Speaker Amplifiers

User Guides

  • TPA3121D2 Audio Power Amplifier EVM (slou221.pdf, 400 KB)
    13 Jun 2008 Download

More Literature

View More Literature for Analog-Input Class-D Speaker Amplifiers

Tools & Software

NamePart # Company Tool / Software Type
TPA3121D2EVM Evaluation ModuleTPA3121D2EVMTexas InstrumentsDevelopment Boards/EVMs

 Alternative Products - Are similar to TPA3121D2
Part #NameComments
TPA3124D2 15-W Stereo Class-D Power Amplifier with Fast Mute The device is an EXACT EQUIVALENT in functionality and parametrics to the compared device. Identical to the TPA3121D2 except with a Faster Mute 

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