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. 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. 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. 349-2222
Mfr. Part No.TMS320VC5402PGE100
kr 92,62
Each
Units
100MHz - 100MIPS 16bit 32 kB Modified Harvard 8 kB DARAM, ROM Fixed Point Surface Mount LQFP 144 1.8 V, 3.3 V -
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. 145-6898
Mfr. Part No.TMS320VC5402PGE100
kr 84,21
Each (In a Tray of 60)
Units
100MHz - 100MIPS 16bit 32 kB Modified Harvard 8 kB DARAM, ROM Fixed Point Surface Mount LQFP 144 1.8 V, 3.3 V -
RS Stock No. 178-5217
Mfr. Part No.DSPIC33EP128GM304-I/PT
BrandMicrochip
kr 30,745
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 44 3 → 3.6 V 4
RS Stock No. 739-3677
Mfr. Part No.DSPIC33FJ256GP710A-I/PF
BrandMicrochip
kr 69,59
Each
Units
40MHz - 40MIPS 16bit 30 kB Harvard 256 kB Flash Fixed Point, Floating Point Surface Mount TQFP 100 3.3 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. 810-3914
Mfr. Part No.DSPIC33EP512GP502-I/SP
BrandMicrochip
kr 39,28
Each
Units
5.5MHz - - 16bit 48 kB RISC 512 kB Flash - Through Hole PDIP 28 3 → 3.6 V 2
RS Stock No. 134-5622
Mfr. Part No.dsPIC33EP128GS804-I/ML
BrandMicrochip
kr 30,01
Each
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount QFN 44 3 → 3.6 V 2
RS Stock No. 160-0712
Mfr. Part No.ADSP-BF592KCPZ-2
kr 30,777
Each (In a Tray of 260)
Units
200MHz Blackfin - 32bit 32 kB Modified Harvard 64 kB ROM MAC Surface Mount LFCSP 64 1.8 V, 2.5 V, 3.3 V 1
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. 178-5214
Mfr. Part No.DSPIC33EP512MC506-I/PT
BrandMicrochip
kr 34,244
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. 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. 622-9954
Mfr. Part No.DSPIC30F4011-30I/P
BrandMicrochip
kr 51,74
Each
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. 160-2915
Mfr. Part No.ADSP-BF534BBCZ-5A
kr 172,536
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. 912-6785
Mfr. Part No.DSPIC33FJ128MC802-E/SP
BrandMicrochip
kr 53,545
Each (In a Tube of 15)
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 761-7251
Mfr. Part No.dsPIC33EP64GP504-I/PT
BrandMicrochip
kr 19,67
Each
Units
70MIPS - - 16bit 8 kB Harvard 64 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 912-6883
Mfr. Part No.DSPIC33FJ32GP304-I/PT
BrandMicrochip
kr 35,268
Each (In a Tray of 160)
Units
40MHz - - 16bit 4 kB RISC 32 kB Flash - Surface Mount TQFP 44 3.3 V 2