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. 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. 178-5223
Mfr. Part No.DSPIC33FJ128GP306-I/PT
BrandMicrochip
kr 46,371
Each (In a Tray of 160)
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 889-6076
Mfr. Part No.dsPIC33FJ256GP506A-I/PT
BrandMicrochip
kr 43,508
Each (In a Tray of 160)
Units
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 178-4986
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
kr 16,85
Each (In a Tube of 61)
Units
120MHz - - 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point, MAC Surface Mount QFN S 28 3.3 V 1
RS Stock No. 122-9755
Mfr. Part No.dsPIC33EV256GM102-I/SS
BrandMicrochip
kr 32,055
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. 877-9151
Mfr. Part No.ADSP-21488KSWZ-4B
kr 161,42
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. 861-0551
Mfr. Part No.dsPIC33EV256GM106-I/PT
BrandMicrochip
kr 37,59
Each
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount TQFP 64 4.5 → 5.5 V 2
RS Stock No. 134-5614
Mfr. Part No.dsPIC33EP128GS702-I/MM
BrandMicrochip
kr 31,12
Each
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. 798-9916
Mfr. Part No.ADAU1452WBCPZ
kr 121,53
Each
Units
294.912MHz SHARC 294MIPS 32bit - DSP - Flash Fixed Point Surface Mount LFCSP 72 3.3 V -
RS Stock No. 178-4142
Mfr. Part No.DSPIC30F5013-20I/PT
BrandMicrochip
kr 66,75
Each (In a Tray of 119)
Units
20MIPS dsPIC30F 30MIPS 16bit 4 kB RISC 66 kB Flash - Surface Mount TQFP 80 2.5 → 5.5 V 2
RS Stock No. 666-8309
Mfr. Part No.dsPIC30F4013-30I/PT
BrandMicrochip
kr 52,14
Each
Units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount TQFP 44 2.5 → 5.5 V 2
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. 666-8463
Mfr. Part No.dsPIC33FJ64GP804-I/PT
BrandMicrochip
kr 45,66
Each
Units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 162-8382
Mfr. Part No.TMS320C5505AZCH12
kr 50,735
Each (In a Tray of 168)
Units
150MHz - - 16bit 64 kB DSP 320 kB EPROM, Flash, ROM Fixed Point Surface Mount NFBGA 196 1.8 V, 2.5 V, 2.8 V, 3.3 V 1
RS Stock No. 861-0541
Mfr. Part No.dsPIC33EV256GM102-I/SO
BrandMicrochip
kr 32,30
Each
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount SOIC 28 4.5 → 5.5 V 2
RS Stock No. 134-5583
Mfr. Part No.dsPIC33EP128GS702-I/SO
BrandMicrochip
kr 40,076
Each (In a Tube of 27)
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount SOIC 28 3 → 3.6 V 2
RS Stock No. 158-0167
Mfr. Part No.ADSP-BF532SBSTZ400
kr 157,633
Each (In a Tray of 40)
Units
400MHz Blackfin 400MIPS 16bit - Modified Harvard - ROM, SRAM Fixed Point Surface Mount LQFP 176 1.2 V, 1.8 V, 2.5 V, 3.3 V -
RS Stock No. 496-7345
Mfr. Part No.ADSP-BF533SBBZ500
kr 300,50
Each
Units
500MHz Blackfin 500MIPS 16bit - Modified Harvard - ROM, SRAM Fixed Point Surface Mount BGA 169 1.2 V, 1.8 V, 2.5 V, 3.3 V -
RS Stock No. 177-1819
Mfr. Part No.DSPIC33EP256GP502-I/SP
BrandMicrochip
kr 23,145
Each (In a Pack of 2)
Units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount SPDIP 28 3.3 V 2
RS Stock No. 177-3511
Mfr. Part No.DSPIC33EP128MC206-I/PT
BrandMicrochip
kr 23,93
Each (In a Tray of 160)
Units
70MHz DSPIC33EP128MC206 70MIPS 16bit 16 kB Harvard 128 kB Flash ALU Surface Mount TQFP 64 - 2
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