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. 177-1829
Mfr. Part No.DSPIC33FJ16GS502-E/MM
BrandMicrochip
kr 33,745
Each (In a Pack of 2)
Units
40MHz DSPIC 40MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount QFN 28 3.3 V 2
RS Stock No. 877-9212
Mfr. Part No.ADSP-BF561SKBZ600
kr 352,52
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. 160-0708
Mfr. Part No.ADSP-21479BSWZ-2A
kr 175,916
Each (In a Tray of 90)
Units
266MHz SHARC - 32bit 5 Mbit Super Harvard 4 Mbit ROM Floating Point Surface Mount LQFP 100 3.3 V 1
RS Stock No. 819-5392
Mfr. Part No.DSPIC30F6011A-30I/PT
BrandMicrochip
kr 71,446
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. 697-7818
Mfr. Part No.ADSP-BF533SBBCZ500
kr 201,94
Each
Units
500MHz Blackfin 500MIPS 16bit - Modified Harvard - ROM, SRAM Fixed Point Surface Mount CSP BGA 160 1.2 V, 1.8 V, 2.5 V, 3.3 V -
RS Stock No. 697-7798
Mfr. Part No.ADSP-2185MKSTZ-300
kr 252,24
Each
Units
75MHz ADSP-21xx 75MIPS 16bit 80 kB Enhanced Harvard - RAM Fixed Point Surface Mount LQFP 100 2.5 V, 3.3 V -
RS Stock No. 802-3994
Mfr. Part No.ADSP-BF592BCPZ
kr 57,02
Each
Units
400MHz Blackfin 400MIPS 32bit 32 kB RISC, Super Harvard 68 kB EEPROM, Flash MAC Surface Mount LFCSP 64 3.6 V 1
RS Stock No. 798-4463
Mfr. Part No.TMS320C5535AZHH05
kr 57,73
Each
Units
50MHz - 50MIPS 32bit 320 kB DSP 128 kB ROM Fixed Point Surface Mount BGA 144 1.05 V 1
RS Stock No. 178-5214
Mfr. Part No.DSPIC33EP512MC506-I/PT
BrandMicrochip
kr 34,807
Each (In a Tray of 160)
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 549-401
Mfr. Part No.DSPIC33FJ64GP802-I/SP
BrandMicrochip
kr 44,37
Each
Units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 2
RS Stock No. 177-1595
Mfr. Part No.DSPIC33FJ16GS502-E/MM
BrandMicrochip
kr 32,906
Each (In a Tube of 61)
Units
40MHz DSPIC 40MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount QFN 28 3.3 V 2
RS Stock No. 158-1842
Mfr. Part No.ADSP-BF537BBCZ-5B
kr 264,506
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. 799-0146
Mfr. Part No.DSPIC33EP512GP504-I/PT
BrandMicrochip
kr 39,48
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 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. 178-5216
Mfr. Part No.DSPIC33FJ64GS606-50I/PT
BrandMicrochip
kr 44,081
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. 666-8330
Mfr. Part No.dsPIC33FJ128GP802-E/SP
BrandMicrochip
kr 52,84
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 835-3838
Mfr. Part No.ADSP-BF707BBCZ-4
kr 177,67
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. 666-8277
Mfr. Part No.dsPIC30F3013-30I/SO
BrandMicrochip
kr 36,99
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. 178-4985
Mfr. Part No.DSPIC33EV256GM102-I/MM
BrandMicrochip
kr 29,884
Each (In a Tube of 61)
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount QFN 28 4.5 → 5.5 V 2
RS Stock No. 399-814
Mfr. Part No.DSPIC33FJ12MC202-I/SP
BrandMicrochip
kr 30,91
Each
Units
40MIPS dsPIC33F 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 1
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