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. 399-741
Mfr. Part No.DSPIC33FJ12GP202-I/SO
BrandMicrochip
kr 27,816
Each (In a Pack of 5)
Units
40MIPS - - 16bit 1 kB RISC 12 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 759-0465
Mfr. Part No.ADSP-21261SKSTZ150
kr 91,70
Each
Units
150MHz SHARC - 32 bit, 40 bit 1 (SRAM) Mbit Super Harvard 3 Mbit ROM Fixed Point, Floating Point Surface Mount LQFP 144 1.14 → 1.26 V, 3.13 → 3.47 V 4
RS Stock No. 178-4861
Mfr. Part No.DSPIC33FJ64MC802-I/SO
BrandMicrochip
kr 37,384
Each (In a Tube of 27)
Units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 818-4765
Mfr. Part No.TMS320C6713BGDP300
kr 504,04
Each
Units
300MHz - 2400MIPS 32bit 64 kB DSP 264 kB EPROM Floating Point Surface Mount BGA 272 3.3 V -
RS Stock No. 799-0143
Mfr. Part No.DSPIC33EP512MC504-I/PT
BrandMicrochip
kr 38,78
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 162-7547
Mfr. Part No.TMS320F2808PZS
kr 131,939
Each (In a Tube 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. 178-4847
Mfr. Part No.DSPIC33EP512GP502-I/SP
BrandMicrochip
kr 36,145
Each (In a Tube of 15)
Units
5.5MHz - - 16bit 48 kB RISC 512 kB Flash - Through Hole PDIP 28 3 → 3.6 V 2
RS Stock No. 912-6384
Mfr. Part No.ADSP-BF533SBBCZ500
kr 211,63
Each (In a Tray of 189)
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. 177-1596
Mfr. Part No.DSPIC33FJ16GS502-I/MM
BrandMicrochip
kr 35,441
Each (In a Tube of 61)
Units
40MHz DSPIC 50MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount QFN 28 3.3 V 2
RS Stock No. 697-7811
Mfr. Part No.ADSP-2191MKSTZ-160
kr 407,67
Each
Units
160MHz ADSP-21xx 160MIPS 16bit 160 kB - - SRAM - Surface Mount LQFP 144 2.5 V, 3.3 V -
RS Stock No. 160-2917
Mfr. Part No.ADSP-BF561SKBZ600
kr 336,441
Each (In a Tray of 40)
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. 889-5941
Mfr. Part No.DSPIC30F4011-30I/P
BrandMicrochip
kr 51,495
Each (In a Tube of 10)
Units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole PDIP 40 2.5 → 5.5 V 2
RS Stock No. 178-4844
Mfr. Part No.DSPIC33FJ16GS502-I/SP
BrandMicrochip
kr 30,269
Each (In a Tube of 15)
Units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SPDIP 28 3 → 3.6 V 1
RS Stock No. 869-6110
Mfr. Part No.DSPIC33EV256GM104-I/PT
BrandMicrochip
kr 35,69
Each
Units
70MHz - 70MIPS 16bit 16 kB C 256 kB Flash - Surface Mount TQFP 44 4.5 → 5.5 V 2
RS Stock No. 912-6867
Mfr. Part No.DSPIC33FJ64GP802-I/SO
BrandMicrochip
kr 36,697
Each (In a Tube of 27)
Units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 880-6711
Mfr. Part No.dsPIC33EV32GM106-I/PT
BrandMicrochip
kr 27,765
Each (In a Pack of 2)
Units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 64 4.5 → 5.5 V 2
RS Stock No. 177-1587
Mfr. Part No.DSPIC33EP32MC202-I/MM
BrandMicrochip
kr 15,182
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
RS Stock No. 823-3416
Mfr. Part No.DSPIC33EP512MC202-I/SP
BrandMicrochip
kr 34,195
Each (In a Pack of 2)
Units
60MHz - - 16bit 48 kB RISC 512 kB Flash - Through Hole PDIP 28 3 → 3.6 V 2
RS Stock No. 178-4137
Mfr. Part No.DSPIC33FJ256MC710A-I/PT
BrandMicrochip
kr 57,727
Each (In a Tray of 119)
Units
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 666-8463
Mfr. Part No.dsPIC33FJ64GP804-I/PT
BrandMicrochip
kr 46,56
Each
Units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 44 3.3 V 2
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