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STA333ML_08 Datasheet

  • STA333ML_08

  • Sound TerminaTM 2-channel microless high-efficiency digital ...

  • 14頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA333ML
Sound Terminal鈩?/div>
2-channel microless high-efficiency digital audio system
Features
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Wide supply voltage range (4.5 - 18 V)
2 x 20 W into 8
鈩?/div>
at Vcc = 18 V
3 power output configurations; 2 channels of
ternary PWM
PowerSSO-36 exposed pad package
2 channels of 24-Bit DDX
廬
100-dB SNR and dynamic range
32 kHz to 48 kHz input sample rates
Soft volume update
Automatic zero-detect mute
Automatic invalid input detect mute
2-channel I
2
S input data interface
Selectable clock input ratio (256 or 364 x fs)
Max power correction for lower full power
96 kHz internal processing sample rate, 24-bit
precision
Thermal overload and short-circuit protection
embedded
PowerSSO-36 slug down
Description
STA333ML is a single die embedding digital audio
processing and high efficiency DDX
廬
power
amplification, capable of operating without the aid
of an external micro controller.
The STA333ML is part of the Sound Terminal鈩?/div>
family that provides full digital audio streaming to
the speaker offering cost effectiveness, low
energy dissipation and sound enrichment.
The STA333ML combines a unique 24-bit DDX
廬
digital class-D ternary modulator together with an
extremely low R
DSON
stereo power DMOS stage.
It 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 the use in low-cost
applications (cradle, digital speakers, audio
terminals) where no micro controller is needed.
The serial audio data interface accepts the
universally used I
2
S format. Basic features (like
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 exported to an external
pin (INT_LINE) for specific requirements.
Applications
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LCD
DVD
Cradle
Digital speaker
Wireless speaker cradle
Table 1.
STA333ML
Device summary
Order code
Package
PowerSSO-36 (slug down)
PowerSSO-36 (slug down)
Tube
Tape and reel
Packaging
STA333ML13TR
May 2008
Rev 2
1/14
www.st.com
14

STA333ML_08相關(guān)型號(hào)PDF文件下載

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