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. 399-739
Mfr. Part No.DSPIC33FJ12MC201-I/SO
BrandMicrochip
kr 26,54
Each (In a Pack of 5)
Units
40MIPS - - 16bit 1 kB RISC 12 kB Flash - Surface Mount SOIC 20 3 → 3.6 V 1
RS Stock No. 177-1580
Mfr. Part No.DSPIC33EP128GP502-I/SP
BrandMicrochip
kr 20,176
Each (In a Tube of 15)
Units
60MHz DSPIC 70MIPS 16bit 16 kB C 128 kB Flash ALU Surface Mount SPDIP 28 3.3 V 2
RS Stock No. 178-5216
Mfr. Part No.DSPIC33FJ64GS606-50I/PT
BrandMicrochip
kr 41,023
Each (In a Tray of 160)
Units
50MHz - 50MIPS 16bit 9 kB Code Efficient 64 kB Flash Fixed Point, Floating Point Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 823-7752
Mfr. Part No.DSPIC30F6012-30I/PF
BrandMicrochip
kr 183,05
Each
Units
30MHz - - 16bit 8.192 kB RISC 144 kB Flash - Surface Mount TQFP 80 2.5 → 5.5 V 2
RS Stock No. 802-3997
Mfr. Part No.ADSP-BF592KCPZ-2
kr 48,455
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
RS Stock No. 177-1852
Mfr. Part No.DSPIC33EP256MC502-I/SS
BrandMicrochip
kr 27,715
Each (In a Pack of 2)
Units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount SSOP 28 3.3 V 2
RS Stock No. 923-6845
Mfr. Part No.TMS320F2812PGFA
kr 183,431
Each (In a Tray of 40)
Units
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 176 1.9 V, 3.3 V -
RS Stock No. 102-5577
Mfr. Part No.TMS320F2808PZA
kr 154,873
Each (In a Tray of 90)
Units
100MHz - 100MIPS 32bit 36 kB Harvard 128 kB Flash Fixed Point Surface Mount LQFP 100 1.8 V, 3.3 V -
RS Stock No. 666-8374
Mfr. Part No.dsPIC33FJ128MC804-I/ML
BrandMicrochip
kr 49,95
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN 44 3.3 V 2
RS Stock No. 178-4981
Mfr. Part No.DSPIC33FJ128MC802-I/MM
BrandMicrochip
kr 38,737
Each (In a Tube of 61)
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN S 28 3.3 V 2
RS Stock No. 666-8425
Mfr. Part No.dsPIC33FJ32GP304-I/PT
BrandMicrochip
kr 34,80
Each
Units
40MHz - - 16bit 4 kB RISC 32 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 158-1842
Mfr. Part No.ADSP-BF537BBCZ-5B
kr 246,902
Each (In a Tray of 90)
Units
500MHz Blackfin 500MIPS 16bit 32 kB Modified Harvard - ROM, SRAM Fixed Point Surface Mount CSP BGA 208 1.2 V, 2.5 V, 3.3 V -
RS Stock No. 666-9712
Mfr. Part No.dsPIC33FJ64GP706A-I/PT
BrandMicrochip
kr 47,96
Each
Units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 178-4876
Mfr. Part No.DSPIC33EP16GS202-I/SO
BrandMicrochip
kr 20,704
Each (In a Tube of 27)
Units
120MHz - - 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point, MAC Surface Mount SOIC 28 3.3 V 1
RS Stock No. 666-9670
Mfr. Part No.dsPIC33FJ16GS502-I/SP
BrandMicrochip
kr 29,16
Each
Units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SPDIP 28 3 → 3.6 V 1
RS Stock No. 889-5887
Mfr. Part No.dsPIC33FJ256MC510A-I/PT
BrandMicrochip
kr 49,369
Each (In a Tray of 119)
Units
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 666-9699
Mfr. Part No.dsPIC33FJ256MC510A-I/PT
BrandMicrochip
kr 50,26
Each
Units
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 877-9221
Mfr. Part No.ADSP-BF592KCPZ
kr 52,74
Each
Units
400MHz Blackfin 400MIPS - 32 kB RISC - - ALU Surface Mount LFCSP 64 1.8 V, 2.5 V, 3.3 V 1
RS Stock No. 666-8277
Mfr. Part No.dsPIC30F3013-30I/SO
BrandMicrochip
kr 34,50
Each
Units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 24 kB Flash - Surface Mount SOIC 28 2.5 → 5.5 V 2
RS Stock No. 770-7739
Mfr. Part No.dsPIC33EP128MC502-I/SO
BrandMicrochip
kr 19,38
Each
Units
70MHz - - 16bit 16 kB Modified Harvard 128 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 2
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