STA333ML:Sound Terminal 2-channel microless high-efficiency digital audio system

The STA333ML is a single die embedding digital audio processing and high-efficiency power amplification, capable of operating without the aid of an external microcontroller.

The STA333ML is part of the Sound Terminal®family that provides full digital audio streaming to the speakers and offers cost effectiveness, low power dissipation and sound enrichment.

The STA333ML combines a unique 24-bit DDX®digital class-D ternary modulator together with an extremely low RdsONstereo power DMOS stage. The latter is capable of a total output power of 2 x 20 W with outstanding performance in terms of efficiency (>90%), THD, SNR and EMI.

The microless feature allows its use in low-cost applications (cradles, digital speakers, audio terminals) where no microcontroller is needed.

The serial audio data interface accepts the universally used I2S format. Basic features, such as the oversampling clock, gain, and I2S format, can be set using a minimal number of selection pins.

The STA333ML is self-protected against thermal overload, overcurrent, short-circuit and overvoltage conditions.

The fault condition is also signalled on an external pin (INT_LINE) for specific requirements.

Key Features

  • Wide supply voltage range (4.5 - 20 V)
  • 2 x 20 W into 8 Ω at VCC = 18 V
  • PowerSSO-36 exposed pad package
  • 2 channels of 24-bit DDX®
  • 100-dB SNR and dynamic range
  • Selectable 32 kHz to 48 kHz input sample rates
  • Automatic zero-detect mute
  • Automatic invalid input detect mute
  • 2-channel I2 S input data interface
  • Selectable clock input ratio (256 or 364 * fs)
  • Max power correction for lower full power
  • 96 kHz internal processing sample rate, 24-bit precision
  • Embedded thermal overload and short-circuit protection
  • Filterless configuration option
  • 应用
    • LCDs
    • DVDs
    • Cradles
    • Digital speakers
    • Wireless speaker cradles
产品规格
DescriptionVersionSize
DS5094: 2-channel microless high-efficiency digital audio system Sound Terminal®6.0747 KB
应用手册
DescriptionVersionSize
AN3984: IIR filter design equations for Sound Terminal® devices1.1493 KB
AN3340: Loudspeaker characterization and compensation1.33 MB
AN2479: Sound Terminal® 2.0-channel microless high-efficiency digital audio system demonstration board based on the STA333ML2.02 MB
宣传册
DescriptionVersionSize
APWorkbench software for audio ICs and MEMS microphones1.02 MB
Sound Terminal TM for diffused infrared in home systems2.1393 KB
手册
DescriptionVersionSize
Analog audio solution1.01 MB
FFX - Full flexible amplification4 MB
FFX Full flexible amplification1.04 MB
样片和购买
型号QuantityUnit Price (US$) *PackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)ECCN (EU)ECCN (US)Country of Origin
STA333ML13TR10001.485PowerSSO 36Tape And Reel070NECEAR99MALAYSIA
STA333MLJ13TR10001.485PowerSSO 36Tape And Reel070NECEAR99MALAYSIA
质量和可靠性
型号PackageGradeRoHS Compliance GradeMaterial Declaration**
STA333ML13TRPowerSSO 36IndustrialEcopack2
STA333MLJ13TRPowerSSO 36IndustrialEcopack2
2-channel microless high-efficiency digital audio system Sound Terminal® STA333ML
circuit_diagram_13177_thumbnail.png STA333ML
IIR filter design equations for Sound Terminal® devices STA321MP
Loudspeaker characterization and compensation APWORKBENCH
Sound Terminal® 2.0-channel microless high-efficiency digital audio system demonstration board based on the STA333ML STEVAL-CCA035V1
Loudspeaker characterization and compensation APWORKBENCH
Sound Terminal® 2.0-channel microless high-efficiency digital audio system demonstration board based on the STA333ML STA333ML
Using the Audio Processor Workbench (APWorkbench) STA339BWS
Using the Audio Processor Workbench (APWorkbench) STA339BWS
Using the Audio Processor Workbench (APWorkbench) STA339BWS