Digital Signal Processors

Digital signal processors (DSPs) take signals like voice, audio or video and then manipulate them. They capture the signals as digital information, process it and then feed the information back for use. They do this either digitally or in an analogue format by going through an Audio Digital-to-Analogue Converter (DAC). All of this happens at very high speeds.


What are digital signal processors used for?

Digital signal processors are used for processing audio, video and graphics. They can make sound clearer, data faster and images sharper. For example, when used in Hi-Fi equipment, DSPs can create the illusion of three dimensional sound. 


Because they're programmable, DSPs can be used in a wide variety of applications, from mobile phones to computers and toys. They're compact in size and don't use a lot of power. 


Choosing the right digital signal processor

When you're looking for the right DSP there are various features to consider: 

  • Frequency – the number of data points per second, which you can think of as the speed. 
  • RAM size – usually the greater the size, the better the performance. 
  • Program memory – to customise a DSP for a specific purpose.

...
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Description Price Maximum Frequency Series Device Million Instructions per Second Data Bus Width RAM Size Instruction Set Architecture Program Memory Size Program Memory Type Numeric and Arithmetic Format Mounting Type Package Type Pin Count Typical Operating Supply Voltage Number of UART Channels
RS Stock No. 810-3914
Mfr. Part No.DSPIC33EP512GP502-I/SP
BrandMicrochip
kr 39,28
Each
Units
5.5MHz - - 16bit 48 kB RISC 512 kB Flash - Through Hole PDIP 28 3 → 3.6 V 2
RS Stock No. 912-6381
Mfr. Part No.ADSP-2191MKSTZ-160
kr 349,846
Each (In a Tray of 60)
Units
160MHz ADSP-21xx 160MIPS 16bit 160 kB - - SRAM - Surface Mount LQFP 144 2.5 V, 3.3 V -
RS Stock No. 835-3838
Mfr. Part No.ADSP-BF707BBCZ-4
kr 170,89
Each
Units
400MHz Blackfin - 16/32bit 1.024 MB Modified Harvard 512 kB ROM ALU Surface Mount CSP BGA 184 1.8 V, 3.3 V 2
RS Stock No. 160-2915
Mfr. Part No.ADSP-BF534BBCZ-5A
kr 172,536
Each (In a Tray of 189)
Units
500MHz Blackfin 500MIPS 16bit 32 kB RISC 132 kB Flash ALU Surface Mount CSP BGA 182 1.3 V, 3.3 V 2
RS Stock No. 823-3407
Mfr. Part No.DSPIC33EP512GP806-I/PT
BrandMicrochip
kr 66,20
Each
Units
60MHz - - 16bit 52 kB RISC 536 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 4
RS Stock No. 177-3892
Mfr. Part No.DSPIC33FJ256MC710-I/PF
BrandMicrochip
kr 73,78
Each
Units
80MHz DSPIC33FJ256MC710 40MIPS 16bit 30 kB Harvard 256 kB Flash ALU Surface Mount TQFP 100 - 2
RS Stock No. 823-3413
Mfr. Part No.DSPIC33FJ06GS101-E/SO
BrandMicrochip
kr 20,07
Each (In a Pack of 2)
Units
40MHz - - 16bit 256 B RISC 6 kB Flash - Surface Mount SOIC 18 3 → 3.6 V 1
RS Stock No. 819-5392
Mfr. Part No.DSPIC30F6011A-30I/PT
BrandMicrochip
kr 70,12
Each (In a Pack of 160)
Units
25MHz - - 16bit 6.144 kB RISC 132 kB Flash - Surface Mount TQFP 64 2.5 → 5.5 V 2
RS Stock No. 666-8330
Mfr. Part No.dsPIC33FJ128GP802-E/SP
BrandMicrochip
kr 54,04
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 877-9212
Mfr. Part No.ADSP-BF561SKBZ600
kr 342,90
Each
Units
600MHz Blackfin 600MIPS 16bit 32 kB RISC 328 kB Flash ALU Surface Mount PBGA 297 1.35 V, 3.3 V 1
RS Stock No. 399-773
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
kr 32,10
Each
Units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
RS Stock No. 666-9661
Mfr. Part No.dsPIC33FJ128MC708A-I/PT
BrandMicrochip
kr 63,71
Each
Units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 80 3 → 3.6 V 2
RS Stock No. 177-1857
Mfr. Part No.DSPIC30F2010-20I/SO
BrandMicrochip
kr 45,665
Each (In a Pack of 2)
Units
40MHz DSPIC 20MIPS 16bit 512 B - 12 kB Flash ALU Surface Mount SOIC 28 5.5 V 1
RS Stock No. 889-5597
Mfr. Part No.dsPIC33FJ256MC710A-I/PF
BrandMicrochip
kr 64,603
Each (In a Tray of 90)
Units
40MIPS dsPIC33F 40MIPS 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 122-9755
Mfr. Part No.dsPIC33EV256GM102-I/SS
BrandMicrochip
kr 30,51
Each (In a Pack of 2)
Units
60MHz dsPIC33EV 70MIPS 16bit 16 kB Modified Harvard 256 kB Flash MAC Surface Mount SSOP 28 5 V 2
RS Stock No. 178-5209
Mfr. Part No.DSPIC33EP512GM304-I/PT
BrandMicrochip
kr 45,798
Each (In a Tray of 160)
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 823-3431
Mfr. Part No.DSPIC33FJ64GS610-I/PT
BrandMicrochip
kr 59,92
Each
Units
40MHz - - 16bit 9 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 823-4563
Mfr. Part No.DSPIC30F3014-20I/PT
BrandMicrochip
kr 41,575
Each (In a Pack of 2)
Units
25MHz - - 16bit 2.048 kB RISC 24 kB Flash - Surface Mount TQFP 44 2.5 → 5.5 V 2
RS Stock No. 709-3914
Mfr. Part No.TMS320F2811PBKA
kr 181,45
Each
Units
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 128 1.9 V, 3.3 V -
RS Stock No. 802-3997
Mfr. Part No.ADSP-BF592KCPZ-2
kr 48,205
Each (In a Pack of 2)
Units
200MHz Blackfin - 32bit 32 kB Modified Harvard 64 kB ROM MAC Surface Mount LFCSP 64 1.8 V, 2.5 V, 3.3 V 1
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