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. 177-3513
Mfr. Part No.DSPIC33EP256MC204-I/PT
BrandMicrochip
kr 25,189
Each (In a Tray of 160)
Units
70MHz DSPIC33EP256MC204 70MIPS 16bit 32 kB Harvard 256 kB Flash ALU Surface Mount TQFP 44 - 2
RS Stock No. 160-2915
Mfr. Part No.ADSP-BF534BBCZ-5A
kr 179,658
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. 709-3995
Mfr. Part No.TMS320F2808PZS
kr 184,84
Each
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. 177-1984
Mfr. Part No.DSPIC30F3013-20I/SO
BrandMicrochip
kr 36,99
Each (In a Pack of 2)
Units
40MHz DSPIC 20MIPS 16bit 2.048 kB - 24 kB Flash ALU Surface Mount SOIC 28 5.5 V 2
RS Stock No. 869-6637
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
kr 28,624
Each (In a Tray of 160)
Units
40MIPS - - 16bit 32 kB RISC 256 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
RS Stock No. 912-5290
Mfr. Part No.DSPIC33EP32GS202-I/SS
BrandMicrochip
kr 20,975
Each (In a Pack of 2)
Units
120MHz - - 16bit 2 kB Harvard 32 kB Flash Fixed Point, Floating Point, MAC Surface Mount SSOP 28 3.3 V 1
RS Stock No. 823-7770
Mfr. Part No.DSPIC30F6014-30I/PF
BrandMicrochip
kr 196,11
Each
Units
30MHz - - 16bit 8.192 kB RISC 144 kB Flash - Surface Mount TQFP 80 2.5 → 5.5 V 2
RS Stock No. 759-1862
Mfr. Part No.ADSP-21262SKSTZ200
kr 301,99
Each
Units
200MHz SHARC - 32 bit, 40 bit 2 (SRAM) Mbit Super Harvard 4 Mbit ROM Fixed Point, Floating Point Surface Mount LQFP 144 1.14 → 1.26 V, 3.13 → 3.47 V 6
RS Stock No. 134-5582
Mfr. Part No.dsPIC33EP128GS702-I/MM
BrandMicrochip
kr 30,28
Each (In a Tube of 61)
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount QFN-S 28 3 → 3.6 V 2
RS Stock No. 877-9151
Mfr. Part No.ADSP-21488KSWZ-4B
kr 156,01
Each
Units
400MHz SHARC 400MIPS 32/64bit 3 MB Super Harvard 5 MB RAM MAC Surface Mount LQFP 176 1.1 V 1
RS Stock No. 177-1585
Mfr. Part No.DSPIC33EP256MC502-I/SS
BrandMicrochip
kr 27,594
Each (In a Tube of 47)
Units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount SSOP 28 3.3 V 2
RS Stock No. 876-6749
Mfr. Part No.DSPIC33FJ256GP506-I/PT
BrandMicrochip
kr 51,409
Each (In a Tray of 160)
Units
40MHz - - 16bit 16 kB Modified Harvard 256 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 666-9677
Mfr. Part No.dsPIC33FJ16GS502-I/SO
BrandMicrochip
kr 37,89
Each
Units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 159-8137
Mfr. Part No.ADAU1442YSVZ-3A
kr 146,867
Each (In a Tray of 90)
Units
172MHz SHARC 3584IPS 28 bit, 56 bit 4 (Parameter) kB, 8 (Data RAM) kB - 40 kB EEPROM MAC Surface Mount TQFP 100 1.8 → 3.3 V 0
RS Stock No. 160-2902
Mfr. Part No.ADSP-2185BSTZ-133
kr 484,994
Each (In a Tray of 90)
Units
33.3MHz Blackfin 33.3MIPS 16bit 80 kB DSP 16 Kwords RAM Floating Point Surface Mount TQFP 100 4.5 → 5.5 V 0
RS Stock No. 619-5659
Mfr. Part No.TMS320F2808PZA
kr 179,06
Each
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. 177-3514
Mfr. Part No.DSPIC33EP512MU814-E/PH
BrandMicrochip
kr 85,30
Each (In a Tray of 90)
Units
60MHz DSPIC33EP512MU814 60MIPS 16bit 52 kB Harvard 536 kB Flash ALU Surface Mount TQFP 144 - 4
RS Stock No. 178-5012
Mfr. Part No.DSPIC33FJ256GP510A-I/PF
BrandMicrochip
kr 57,362
Each (In a Tray of 90)
Units
40MHz - 40MIPS 16bit 16 kB Harvard 256 kB Flash Fixed Point, Floating Point Surface Mount TQFP 100 3.3 V 2
RS Stock No. 134-5626
Mfr. Part No.dsPIC33EP128GS804-I/PT
BrandMicrochip
kr 47,16
Each
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 177-1587
Mfr. Part No.DSPIC33EP32MC202-I/MM
BrandMicrochip
kr 13,167
Each (In a Tube of 61)
Units
60MHz DSPIC 70MIPS 16bit 4 kB C 32 kB Flash ALU Surface Mount QFN 28 3.3 V 2
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