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STA328 PDF预览

STA328

更新时间: 2024-01-31 18:55:56
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 功效
页数 文件大小 规格书
41页 411K
描述
2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM

STA328 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:ROHS COMPLIANT, SOP-36针数:36
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.81商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G36长度:15.9 mm
功能数量:1端子数量:36
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:HSSOP
封装等效代码:SSOP36,.56封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3 V认证状态:Not Qualified
座面最大高度:3.43 mm子类别:Other Consumer ICs
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):3 V
表面贴装:YES温度等级:OTHER
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:11 mmBase Number Matches:1

STA328 数据手册

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STA328  
and bass/treble tone control. Automodes™ enable a time-to-market advantage by substantially reducing  
the amount of software development needed for certain functions. This includes Auto Volume loudness,  
preset volume curves, preset EQ settings, etc. New advanced AM radio inerference reduction modes.  
The serial audio data input interface accepts all possible formats, including the popular I2S format.  
Three channels of DDX® processing are provided. This high quality conversion from PCM audio to DDX's  
patented tri-state PWM switching waveform provides over 100dB SNR and dynamic range.  
3 ORDERING INFORMATION  
Figure 2. Block Diagram  
SDA  
SCL  
DDX-SPIRIT  
I2C  
l
System Contro  
LRCKI  
BICKI  
OUT1A  
OUT1B  
Serial Data  
Input,  
Channel  
Mapping &  
Resampling  
Audio EQ, Mix,  
Crossver,  
Volume, Limiter  
Processing  
Quad  
Half-Bridge  
Power Stage  
DDX®  
Processing  
OUT2A  
OUT2B  
SDI_12  
EAPD  
System Timing  
PLL  
TWARN  
FAULT  
Power-Down  
CLK  
Figure 3. Channel Signal Flow Diagram through the Digital Core  
I2S  
Channel  
Mapping  
EQ  
Processing  
Crossover  
Filter  
Volume  
Limiter  
4X  
Interp  
Input  
DDX®  
Re-sampling  
Mix  
DDX  
Output  
3.1 EQ Processing  
Two channels of input data (re-sampled if necessary) at 96 kHz are provided to the EQ processing block.  
In this block, upto 4 user-defined Biquads can be appplied to each of the two channels.  
Pre-scaling, dc-blocking high-pass, de-emphasis, bass, and tone control filters can also be applied based  
on various configuration parameter settings.  
The entire EQ block can be bypassed for all channels simulatneously by setting the DSPB bit to '1'. And  
the CxEQBP bits can be used to bypass the EQ functionality on a per channel basis. Figure below shows  
the internal signal flow through the EQ block.  
2/41  

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