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. 178-4897
Mfr. Part No.DSPIC30F2011-30I/SO
BrandMicrochip
kr 25,003
Each (In a Tube of 42)
Units
30MIPS dsPIC30F 30MIPS 16bit 1.024 kB RISC 12 kB Flash - Surface Mount SOIC 18 2.5 → 5.5 V 1
RS Stock No. 666-8258
Mfr. Part No.dsPIC30F2011-30I/SO
BrandMicrochip
kr 27,52
Each
Units
30MIPS dsPIC30F 30MIPS 16bit 1.024 kB RISC 12 kB Flash - Surface Mount SOIC 18 2.5 → 5.5 V 1
RS Stock No. 887-7202
Mfr. Part No.DSPIC30F6014A-30I/PF
BrandMicrochip
kr 88,492
Each (In a Tray of 90)
Units
30MIPS dsPIC30F 30MIPS 16bit 8.192 kB RISC 4.096 kB, 144 kB Flash - Surface Mount TQFP 80 2.5 → 5.5 V 2
RS Stock No. 623-0011
Mfr. Part No.DSPIC30F6014A-30I/PF
BrandMicrochip
kr 97,41
Each
Units
30MIPS dsPIC30F 30MIPS 16bit 8.192 kB RISC 4.096 kB, 144 kB Flash - Surface Mount TQFP 80 2.5 → 5.5 V 2
RS Stock No. 869-6211
Mfr. Part No.SSC7150-ML-AB0
BrandMicrochip
kr 21,39
Each (In a Pack of 2)
Units
400kHz - - 32bit - - - - - Surface Mount QFN 28 3.3 V -
RS Stock No. 177-1583
Mfr. Part No.DSPIC33EP256GP502-I/SP
BrandMicrochip
kr 31,804
Each (In a Tube of 15)
Units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount SPDIP 28 3.3 V 2
RS Stock No. 134-5583
Mfr. Part No.dsPIC33EP128GS702-I/SO
BrandMicrochip
kr 31,502
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. 177-3984
Mfr. Part No.DSPIC33EP128MC206-I/PT
BrandMicrochip
kr 28,265
Each (In a Pack of 2)
Units
70MHz DSPIC33EP128MC206 70MIPS 16bit 16 kB Harvard 128 kB Flash ALU Surface Mount TQFP 64 - 2
RS Stock No. 880-2683
Mfr. Part No.DSPIC33EP128GM304-I/PT
BrandMicrochip
kr 46,96
Each
Units
70MIPS dsPIC33EP 70MIPS 16bit 16 kB C Compiler, DSP, MCU, Modified Harvard 128 kB Flash Fixed Point, Floating Point Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 666-8371
Mfr. Part No.dsPIC33FJ128MC802-I/SP
BrandMicrochip
kr 50,65
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 177-1584
Mfr. Part No.DSPIC33EP256GP504-I/ML
BrandMicrochip
kr 30,765
Each (In a Tube of 45)
Units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount QFN 44 3.3 V 2
RS Stock No. 134-5585
Mfr. Part No.dsPIC33EP128GS804-I/ML
BrandMicrochip
kr 30,619
Each (In a Tube of 45)
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount QFN 44 3 → 3.6 V 2
RS Stock No. 178-4848
Mfr. Part No.DSPIC33EP512MC502-I/SP
BrandMicrochip
kr 38,052
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. 178-5218
Mfr. Part No.DSPIC33EP128GM706-I/PT
BrandMicrochip
kr 46,377
Each (In a Tray of 160)
Units
70MIPS dsPIC33EP 70MIPS 16bit 16 kB C Compiler, DSP, MCU, Modified Harvard 128 kB Flash Fixed Point, Floating Point Surface Mount TQFP 64 3 → 3.6 V 4
RS Stock No. 825-1023
Mfr. Part No.DSPIC33EP128GM604-I/PT
BrandMicrochip
kr 49,20
Each (In a Pack of 2)
Units
140MHz - - 16bit 16 kB DSP 128 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 819-5392
Mfr. Part No.DSPIC30F6011A-30I/PT
BrandMicrochip
kr 70,12
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. 177-1594
Mfr. Part No.DSPIC33FJ16GS402-I/SO
BrandMicrochip
kr 28,267
Each (In a Tube of 27)
Units
40MHz DSPIC 40MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount SOIC 28 3.3 V 2
RS Stock No. 134-5586
Mfr. Part No.dsPIC33EP128GS804-I/PT
BrandMicrochip
kr 46,492
Each (In a Tray of 160)
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 178-4986
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
kr 15,743
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. 666-9680
Mfr. Part No.dsPIC33FJ256GP710A-I/PT
BrandMicrochip
kr 67,90
Each
Units
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2