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PDSP16515MA

更新时间： 2024-02-23 17:36:58
品牌 Logo 应用领域
MITEL /
页数 文件大小 规格书
27页 292K
描述
Stand Alone FFT Processor

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中文翻译

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PDSP16515MA 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：QFF, QFL132,.95SQ,25Reach Compliance Code：unknown
ECCN代码：3A001.A.2.CHTS代码：8542.39.00.01
风险等级：5.75边界扫描：NO
最大时钟频率：50 MHz外部数据总线宽度：16
JESD-30 代码：S-CQFP-F132JESD-609代码：e0
低功率模式：NO端子数量：132
最高工作温度：125 °C最低工作温度：-55 °C
输出数据总线宽度：16封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：QFF封装等效代码：QFL132,.95SQ,25
封装形状：SQUARE封装形式：FLATPACK
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified筛选级别：MIL-STD-883 Class B (Modified)
子类别：DSP Peripherals最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：MILITARY端子面层：Tin/Lead (Sn/Pb)
端子形式：FLAT端子节距：0.635 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
uPs/uCs/外围集成电路类型：DSP PERIPHERAL, FFT PROCESSORBase Number Matches：1

PDSP16515MA 数据手册

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PDSP16515A  
Stand Alone FFT Processor  
Advance Information  
DS3922  
Issue 2.0  
April 1999  
Ordering Information  
Features  
●
●
Completely self contained FFT Processor  
Pin and functionally compatible with the  
PDSP16510A  
Expanded width internal RAM supports up to 1024  
complex points  
18 bit internal data bus with block floating point  
arithmetic for increased dynamic range  
500 MIP operation gives 87 microsecond  
transformation times for 1024 points  
Upto45MHzsamplingrateswith multipledevices.  
Up to 85dB noise rejection  
A choice of internal window operators with no  
external ROM provide up to 67dB side lobe  
attenuation.  
PDSP16515A C0 AC  
PDSP16515A C0 GC  
PDSP16515A B0 AC  
PDSP16515A B0 GC  
PDSP16515A A0 AC  
PDSP16515A A0 GC  
PDSP16515A/MA/GCPR  
( Commercial - PGA  
Package )  
●
●
●
( Commercial - Leaded  
Chip Carrier )  
( Industrial - PGA  
Package )  
( Industrial -  
Chip Carrier )  
( Military - PGA  
Package )  
Leaded  
●
●
●
( Military - Leaded Chip  
Carrier )  
●
84 pin PGA or 132 pin surface mount package  
( Military - Screened  
Leaded Chip Carrier. See separate datasheet for  
details )  
Associated Products  
PDSP16330 Pythagoras Processor.  
PDSP16256 Programmable FIR Filter.  
PDSP16350 I/Q Splitter / NCO  
A 1024 point complex transform can be completed in  
some 87µs, which is equivalent to throughput rates of  
500 million operations per second. Multiple devices can  
be connected in parallel in order to increase the  
sampling rate up to the 45MHz system clock. Six  
devices are needed to give the maximum performance  
with 1024 point transforms.  
PDSP16510A Stand Alone FFT Processor  
The PDSP16515A performs Forward or Inverse Fast  
Fourier Transforms on complex or real data sets  
containing up to 1024 points. Data and coefficient input  
are both represented by 16 bits. Data is expanded  
internally to 18 bits and subject to Block Floating Point  
arithmetic to preserve a greater dynamic range.  
Either a Hamming or a Blackman-Harris window  
operatorcanbeinternallyappliedtotheincomingrealor  
complex data. The latter gives 67dB side lobe  
attenuation. The operator values are calculated  
internally and do not require an external ROM nor do  
they incur any time penalty.  
An internal RAM is provided which can hold up to 1024  
complexdatapoints. Thisremovesthememorytransfer  
bottleneck, inherent in building block solutions. Its  
organisation allows the PDSP16515A to  
simultaneously input new data, transform data stored in  
the RAM, and to output previous results. No external  
buffering is needed for transforms containing up to 256  
points, andthePDSP16515Acanbedirectlyconnected  
to an A/D converter to perform continuous transforms.  
The user can choose to overlap data blocks by either  
0%, 50%, or 75%. Inputs and outputs are synchronous  
to the 45MHz system clock used for internal operations.  
The increased internal bus size together with block  
floating arithmetic produce up to 85dB of noise  
rejection.  
The device outputs the real and imaginary components  
of the frequency bins. These can be directly connected  
to the PDSP16330 in order to produce magnitude and  
phase values from the complex data.  
1234567...27

中文翻译

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