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. 623-0011
Mfr. Part No.DSPIC30F6014A-30I/PF
BrandMicrochip
kr 99,20
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. 887-7202
Mfr. Part No.DSPIC30F6014A-30I/PF
BrandMicrochip
kr 90,109
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. 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. 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. 912-6823
Mfr. Part No.DSPIC33FJ32MC304-I/PT
BrandMicrochip
kr 27,296
Each (In a Tray of 160)
Units
40MHz - - 16bit 4 kB RISC 32 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 799-0143
Mfr. Part No.DSPIC33EP512MC504-I/PT
BrandMicrochip
kr 39,48
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 798-5226
Mfr. Part No.DSPIC33FJ64GS608-I/PT
BrandMicrochip
kr 54,14
Each
Units
50kHz - 50MIPS 16bit 9 kB RISC 64 kB Flash Fixed Point, Floating Point Surface Mount TQFP 80 3.3 V 2
RS Stock No. 178-4871
Mfr. Part No.DSPIC33EV32GM102-I/SO
BrandMicrochip
kr 23,127
Each (In a Tube of 27)
Units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount SOIC 28 4.5 → 5.5 V 2
RS Stock No. 923-6854
Mfr. Part No.TMS320F2811PBKA
kr 162,995
Each (In a Tube of 90)
Units
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 128 1.9 V, 3.3 V -
RS Stock No. 916-3696
Mfr. Part No.dsPIC33EP16GS202-I/MX
BrandMicrochip
kr 17,28
Each (In a Pack of 2)
Units
70MIPS dsPIC33EP 70MIPS 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point Surface Mount UQFN 28 3 → 3.6 V 1
RS Stock No. 178-4899
Mfr. Part No.DSPIC30F4011-30I/ML
BrandMicrochip
kr 50,495
Each (In a Tube of 45)
Units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount QFN 44 2.5 → 5.5 V 2
RS Stock No. 159-7706
Mfr. Part No.ADSP-21262SKSTZ200
kr 274,506
Each (In a Tray of 60)
Units
200MHz SHARC - 32 bit, 40 bit 2 (SRAM) Mbit Super Harvard 4 Mbit ROM Fixed Point, Floating Point Surface Mount LQFP 144 1.14 → 1.26 V, 3.13 → 3.47 V 6
RS Stock No. 177-1580
Mfr. Part No.DSPIC33EP128GP502-I/SP
BrandMicrochip
kr 19,579
Each (In a Tube of 15)
Units
60MHz DSPIC 70MIPS 16bit 16 kB C 128 kB Flash ALU Surface Mount SPDIP 28 3.3 V 2
RS Stock No. 178-4869
Mfr. Part No.DSPIC33EP512MC202-I/SO
BrandMicrochip
kr 31,372
Each (In a Tube of 27)
Units
5.5MHz - - 16bit 48 kB RISC 512 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 2
RS Stock No. 666-9655
Mfr. Part No.dsPIC33FJ128MC506A-I/PT
BrandMicrochip
kr 51,35
Each
Units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 861-0545
Mfr. Part No.dsPIC33EV256GM102-I/SP
BrandMicrochip
kr 34,00
Each
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Through Hole PDIP 28 4.5 → 5.5 V 2
RS Stock No. 177-1984
Mfr. Part No.DSPIC30F3013-20I/SO
BrandMicrochip
kr 36,99
Each (In a Pack of 2)
Units
40MHz DSPIC 20MIPS 16bit 2.048 kB - 24 kB Flash ALU Surface Mount SOIC 28 5.5 V 2
RS Stock No. 134-5586
Mfr. Part No.dsPIC33EP128GS804-I/PT
BrandMicrochip
kr 39,158
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. 178-5223
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. 177-1586
Mfr. Part No.DSPIC33EP32GP502-I/SS
BrandMicrochip
kr 14,885
Each (In a Tube of 47)
Units
60MHz DSPIC 70MIPS 16bit 4 kB C 32 kB Flash ALU Surface Mount SSOP 28 3.3 V 2
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