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. 177-3764
Mfr. Part No.DSPIC33EP256GP504-I/PT
BrandMicrochip
kr 27,37
Each (In a Pack of 2)
Units
70MHz DSPIC33EP256GP504 70MIPS 16bit 32 kB Harvard 256 kB Flash ALU Surface Mount TQFP 44 - 2
RS Stock No. 178-5215
Mfr. Part No.DSPIC33EV256GM106-I/PT
BrandMicrochip
kr 35,268
Each (In a Tray of 160)
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount TQFP 64 4.5 → 5.5 V 2
RS Stock No. 178-5219
Mfr. Part No.DSPIC33EV32GM104-I/PT
BrandMicrochip
kr 21,338
Each (In a Tray of 160)
Units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 44 4.5 → 5.5 V 2
RS Stock No. 889-5566
Mfr. Part No.DSPIC33FJ256GP710-I/PF
BrandMicrochip
kr 67,401
Each (In a Tray of 90)
Units
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 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. 799-0124
Mfr. Part No.DSPIC33EP512GM604-I/PT
BrandMicrochip
kr 54,34
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 889-5187
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
kr 48,343
Each (In a Tray of 160)
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. 177-1578
Mfr. Part No.DSPIC30F4013-20I/ML
BrandMicrochip
kr 39,571
Each (In a Tube of 45)
Units
40MHz DSPIC 20MIPS 16bit 2.048 kB - 48 kB Flash ALU Surface Mount QFN 44 5.5 V 2
RS Stock No. 912-5303
Mfr. Part No.DSPIC33EP32GS202-I/SO
BrandMicrochip
kr 19,09
Each (In a Pack of 2)
Units
120MHz - - 16bit 2 kB Harvard 32 kB Flash Fixed Point, Floating Point, MAC Surface Mount SOIC 28 3.3 V 1
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
RS Stock No. 880-2696
Mfr. Part No.DSPIC33EP128GM706-I/PT
BrandMicrochip
kr 52,54
Each
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. 177-1583
Mfr. Part No.DSPIC33EP256GP502-I/SP
BrandMicrochip
kr 21,543
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. 869-6634
Mfr. Part No.DSPIC33FJ256MC710-I/PT
BrandMicrochip
kr 67,401
Each (In a Tray of 119)
Units
40MIPS dsPIC33F 40MIPS 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 666-9712
Mfr. Part No.dsPIC33FJ64GP706A-I/PT
BrandMicrochip
kr 50,75
Each
Units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 399-814
Mfr. Part No.DSPIC33FJ12MC202-I/SP
BrandMicrochip
kr 23,19
Each
Units
40MIPS dsPIC33F 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 1
RS Stock No. 178-5263
Mfr. Part No.DSPIC33FJ32MC302-I/SP
BrandMicrochip
kr 37,124
Each (In a Bag of 500)
Units
40MIPS - - 16bit 4 kB RISC 32 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 2
RS Stock No. 823-0868
Mfr. Part No.DSPIC33FJ128GP804-E/PT
BrandMicrochip
kr 55,63
Each
Units
40MHz - - 16bit 16 kB Harvard 128 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 178-4862
Mfr. Part No.DSPIC33FJ16GS502-I/SO
BrandMicrochip
kr 34,134
Each (In a Tube of 27)
Units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 666-8334
Mfr. Part No.dsPIC33FJ128GP802-I/SP
BrandMicrochip
kr 49,25
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 697-6975
Mfr. Part No.AD6620ASZ
kr 309,07
Each
Units
- - - - - - - - - PCB - - - -
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