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參數(shù)資料
| 型號： | STA335BW |
| 廠商： | 意法半導體 |
| 英文描述： | 2.1 channels high efficiency digital audio system |
| 中文描述： | 2.1通道高效率數(shù)字音頻系統(tǒng) |
| 文件頁數(shù)： | 1/54頁 |
| 文件大?。?/td> | 434K |
| 代理商： | STA335BW |
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Preliminary Data
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
December 2006
Rev 1
1/54
1
STA335BW
2.1 channels high efficiency digital audio system
Features
■
Wide supply voltage range (5 to 24V)
■
4 Power Output Configurations
– 2 channels of ternary PWM (stereo mode)
(2 x 20 W @ 8
, 18 V)
– 3 channels - left, right using binary and LFE
using ternary PWM (2.1 mode) (2x10W +
1x20 W @ 2 x 4
, 1 x 8
, 20 V)
– 1 channel PWM output (parallel-mode)
(1 x 40 W)
– 2 channels of ternary PWM (2 x 20 W) +
stereo lineout ternary
■
2.1 Channels of 24-Bit DDX
■
>94dB SNR and Dynamic Range
■
Selectable 32 KHz to 192 KHz Input Sample
Rates
■
I
2
C control with Selectable Device Address
■
Digital Gain/Attenuation +48 dB to -80 dB in
0.5 dB steps
■
Soft Volume Update
■
Individual Channel and Master
Gain/Attenuation
■
Dual Independent Limiters/Compressors
■
Dynamic Range Compression or Anti-Clipping
Modes
■
Automodes
TM
– 15 Preset Crossover filters
– 2 Preset Anti-Clipping Modes
– Preset Nighttime Listening Mode
■
Individual Channel and Master Soft and Hard
Mute
■
Independent Channel Volume and DSP
Bypass
■
Automatic Zero-Detect Mute
■
Automatic Invalid Input Detect Mute
■
2-Channel I
2
S Input Data Interface
■
Input and Output Channel Mapping
■
4 x 28-bit User Programmable Biquads (EQ)
per channel
■
Bass/Treble Tone Control
■
DC Blocking Selectable High-Pass Filter
■
Selectable De-emphasis
■
Sub Channel Mix into Left and Right Channels
■
Advanced AM Interference Frequency
Switching and Noise Suppression Modes
■
Selectable High or Low Bandwidth Noise
Shaping Topologies
■
Variable Max Power Correction for lower full-
power THD
■
Selectable Clock Input Ratio
■
96 KHz Internal Processing Sample Rate, 24 to
28-bit precision
■
Thermal Overload and Short-circuit Protection
embedded
■
Video Application: 576 x fs input mode
supporting
■
PSSO-36 Slug Down package.
Order codes
PowerSSO36
Slug Down
Part number
Temp range,
°
C
Package
Packing
STA335BW
0 to 150
PowerSSO36 Slug Down
Tube
www.st.com
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| STA335BWQS | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2.1-channel high-efficiency digital audio system with QSound QHD |
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