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STA335ML Sound Terminal® 2-channel microless high efficiency digital audio system board
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The STEVAL-CCA049V1 demonstration board is based on the STA335ML Sound Terminal®digital amplifier. It provides full digital audio streaming to the speakers and offers cost effectiveness, low power dissipation, sound enrichment and DDX®power output stage.

To evaluate the STA335ML, the STEVAL-CCA049V1 does not require a microcontroller, and it accepts the universal I2S format. However, the board may be connected to APWlink (STEVAL-CCA035V1) as I2S interface.

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Data Brief

Key Features

  • 2 x 20 W into 8 Ω = 18 V
  • 5 V to 26 V operating supply voltage range
  • 30 V absolute maximum rating
  • DDXR 100 dB dynamic range
  • Selectable 32 kHz to 48 kHz input sample rates
  • Automatic zero-detect mute
  • 2-channel I2S input data interface
  • 2 volume selection (0 and +24 dB)
  • 2 master clock selection (256 or 364 * fs)
  • 2 digital format selection (I2S and LSB)
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1803: STA335ML Sound Terminal® 2-channel microless high efficiency digital audio system board
1.0 204 KB

Application Notes

Description Version Size
AN4189: Sound Terminal® 2.0-channel microless high-efficiency digital audio system demonstration board based on the STA335ML
1.0 2,972 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-CCA049V1 gerber files
286 KB

Bill of Materials

Description Version Size
1.0.0 32 KB

Schematic Pack

Description Version Size
STEVAL-CCA049V1 schematics
1.0.0 147 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-CCA049V1ActiveSTA335MLBuy Direct57.57Distributor reported inventory date: 2015-04-17
Distributor NameRegionStockMin. order

(*) 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 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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