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參數(shù)資料
| 型號： | STA333ML13TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Sound Terminal TM 2 channel microless high efficiency digital audio system |
| 中文描述： | 健全的終端TM 2號通道m(xù)icroless高效率數(shù)字音頻系統(tǒng) |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 185K |
| 代理商： | STA333ML13TR |
Target Specification
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
February 2007
Rev 1
1/15
15
STA333ML
Sound Terminal
TM
2 channel microless high efficiency digital audio system
Features
■
Wide supply voltage range (4.5-18 V)
■
2 x 20 W @ 8
,
Vcc = 18 V
■
3 power output configurations; 2 channels of
ternary PWM
■
PowerSSO-36 exposed pad package
■
2 channels of 24-Bit DDX
■
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 / 364 Fs)
■
Max power correction for lower full power
■
96 kHz internal processing sample rate, 24-bit
precision
■
Thermal overload and short-circuit protection
embedded
Applications
■
LCD
■
DVD
■
Cradle
■
Digital speaker
■
Wireless speaker cradle
Description
STA333ML is a single die embedding digital audio
processing and high efficiency power
amplification, capable of operating without the aid
of an external micro controller.
The STA333ML is part of the Sound Terminal
TM
family that provides full digital audio streaming to
the speaker offering cost effectiveness, low
energy dissipation and sound enrichment.
The STA333
ML
combines a unique 24-bit DDX
digital Class-D ternary modulator together with an
extremely low RDSON stereo power Dmos stage.
The latter is capable of a total output power of
2 x 20 W with outstanding performances 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 world
wide used I
2
S format; basic features (for example,
oversampling clock, gain, I
2
S format) can be set
using a minimal number of selection pins.
STA333
ML
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.
Order codes
PowerSSO36 slug down
Part number
Package
Packing
STA333ML
PowerSSO36 (slug down)
Tube
STA333ML13TR
PowerSSO36 (slug down)
Tape and reel
www.st.com
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