參數(shù)資料
型號: STA306
廠商: 意法半導(dǎo)體
英文描述: MULTICHANNEL DIGITAL AUDIO PROCESSOR WITH DDX
中文描述: 多通道數(shù)字音頻處理器的DDX
文件頁數(shù): 1/33頁
文件大?。?/td> 178K
代理商: STA306
1/33
STA306
October 2003
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
I
6 DDX
TM
Channels Capability (24 bit)
I
From 32kHz to 192kHz Input Sample Rates
Supported
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Volume Control from 0 to -127 dB (0.5 dB steps)
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Variable Digital Gain from 0 to 24dB (0.5dB
steps) with Digital Limiter Functionality and
Variable Attack and Release Time
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I2S Inputs and Outputs
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Individual Channel and Master Gain/
Attenuation
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Individual Channel Mute and Zero Input Detect
Auto-Mute
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Selectable Serial Audio Data Interface
I
Bass/Treble Controls
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Channel Mapping of any Input to any
Processing/DDX
TM
Channel
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Active Crossover Capability
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DC Blocking Selectable High-Pass Filter
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Selectable Bass Management on Channel 6
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Selectable Adjacent Channel Mixing Capability
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Selectable Clock Input Ratio
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Selectable De-emphasis
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Selectable DDX
TM
Ternary, or Binary PWM
output
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AM Interference Reduction Mode
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I2C Control
DESCRIPTION
The STA306 is a single chip solution for digital audio
processing and control in multi-channel applications.
It provides output capabilities for DDX
TM
(Direct Digi-
tal Amplification). In conjunction with a DDX
TM
power
device, it provides high-quality, high-efficiency, all
digital amplification. The device is extremely versatile
allowing for input of most digital formats including
192kHz, 24-bit DVD-Audio.
The internal 24-bit DSP allows for high resolution
processing at all standard input sample frequencies.
Processing includes volume control, filtering, bass
management, gain compression/limiting and PCM
and DDX
TM
outputs. Filtering includes five user-pro-
grammable 28-bit biquads for EQ per channel, as
well as bass, treble and DC blocking. External clock-
ing can be provided at 4 different ratios of the input
sample frequency. All sample frequencies are up-
sampled for processing. Each internal processing
channel can receive any input channel, allowing flex-
ibility and the ability to perform active digital cross-
over for powered loudspeaker systems.
The serial audio data interface accepts many differ-
ent formats, including the popular I2S format. STx-
channels of DDX processing are performed.
TQFP64
ORDERING NUMBER: STA306
PRODUCT PREVIEW
MULTICHANNEL DIGITAL AUDIO PROCESSOR WITH DDX
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