Danville Signal Processing dspblok 21469 Gebruikershandleiding - Pagina 10

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room temperature. The Analog Devices' ADSP-21467/ADSP-21469 SHARC Processor Data Sheet has an
excellent section on estimating power consumption of the DSP. Please note that the measurements do not
take into account the increase static current as temperature rises.
Typical Power Consumption at Room Temperature
Core
Continuous
Clock
floating point
operations
Vdd = 3.3V & Vd+3.3
mA
100MHz
145mA
200MHz
150mA
400MHz
214mA
450MHz
231mA
Vdd = 5.0V
mA
Vdd = 5V Core Supply Only
100MHz
84mA
200MHz
101mA
400MHz
164mA
450MHz
178mA
Vd+3.3 Supply Only
100MHz
48mA
200MHz
54mA
400MHz
65mA
450MHz
67mA
Composite Vdd & Vd+3.3
100MHz
200MHz
400MHz
450MHz
dspblok™ 21469 User Manual
Mixed
Mixed
floating point
floating point
& DAI
& DDR2
operations
operations
mA
mA
143mA
143mA
148mA
147mA
209mA
208mA
225mA
225mA
mA
mA
84mA
84mA
108mA
101mA
168mA
162mA
173mA
174mA
48mA
48mA
54mA
54mA
64mA
68mA
67mA
67mA
Continuous
Mixed
floating point
floating point
operations
& DAI
operations
mW
mW
479mW
472mW
568mW
554mW
769mW
746mW
822mW
795mW
mW
mW
280mW
275mW
365mW
355mW
525mW
510mW
565mW
545mW
168mW
172mW
185mW
185mW
215mW
215mW
224mW
224mW
448mW
447mW
550mW
540mW
740mW
725mW
789mW
769mW
Mixed
floating point
& DDR2
operations
mW
472mW
554mW
746mW
795mW
mW
275mW
355mW
510mW
545mW
168mW
185mW
218mW
224mW
443mW
537mW
728mW
769mW
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