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 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. 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. 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. 802-3994
Mfr. Part No.ADSP-BF592BCPZ
kr 58,99
Each
Units
400MHz Blackfin 400MIPS 32bit 32 kB RISC, Super Harvard 68 kB EEPROM, Flash MAC Surface Mount LFCSP 64 3.6 V 1
RS Stock No. 880-6711
Mfr. Part No.dsPIC33EV32GM106-I/PT
BrandMicrochip
kr 30,61
Each (In a Pack of 2)
Units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 64 4.5 → 5.5 V 2
RS Stock No. 160-2628
Mfr. Part No.ADSP-BF532SBBCZ400
kr 146,819
Each (In a Tray of 189)
Units
32.768kHz Blackfin 400MIPS 16bit 80 kB Harvard - ROMLess Fixed Point Surface Mount CSP BGA 160 1.2 V, 3.3 V 1
RS Stock No. 178-5218
Mfr. Part No.DSPIC33EP128GM706-I/PT
BrandMicrochip
kr 42,478
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. 666-8365
Mfr. Part No.dsPIC33FJ128MC802-I/MM
BrandMicrochip
kr 48,85
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN S 28 3.3 V 2
RS Stock No. 134-5631
Mfr. Part No.dsPIC33EP128GS805-I/PT
BrandMicrochip
kr 33,90
Each
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 48 3 → 3.6 V 2
RS Stock No. 739-3674
Mfr. Part No.DSPIC33FJ256GP510A-I/PF
BrandMicrochip
kr 62,61
Each
Units
40MHz - 40MIPS 16bit 16 kB Harvard 256 kB Flash Fixed Point, Floating Point Surface Mount TQFP 100 3.3 V 2
RS Stock No. 622-9897
Mfr. Part No.DSPIC30F2010-30I/SP
BrandMicrochip
kr 35,89
Each
Units
30MIPS dsPIC30F 30MIPS 16bit 512 B RISC 1.024 kB, 12 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS Stock No. 799-0124
Mfr. Part No.DSPIC33EP512GM604-I/PT
BrandMicrochip
kr 53,34
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 622-9932
Mfr. Part No.DSPIC30F4011-20I/P
BrandMicrochip
kr 54,93
Each
Units
20MIPS 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. 912-2837
Mfr. Part No.DSPIC33FJ128GP804-I/ML
BrandMicrochip
kr 46,372
Each (In a Tube of 45)
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN 44 3.3 V 2
RS Stock No. 177-3801
Mfr. Part No.DSPIC33EP512MU814-E/PH
BrandMicrochip
kr 93,02
Each
Units
60MHz DSPIC33EP512MU814 60MIPS 16bit 52 kB Harvard 536 kB Flash ALU Surface Mount TQFP 144 - 4
RS Stock No. 178-4842
Mfr. Part No.DSPIC33FJ128GP802-I/SP
BrandMicrochip
kr 48,321
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. 162-7549
Mfr. Part No.TMS320VC5502PGF300
kr 111,497
Each (In a Tray of 40)
Units
300MHz - 600MIPS 32bit 64 kB - 32 kB DARAM, ROM Fixed Point Surface Mount LQFP 176 1.26 V, 3.3 V -
RS Stock No. 666-8419
Mfr. Part No.dsPIC33FJ32GP204-I/PT
BrandMicrochip
kr 33,20
Each
Units
40MHz - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3.3 V 1
RS Stock No. 889-5941
Mfr. Part No.DSPIC30F4011-30I/P
BrandMicrochip
kr 54,955
Each (In a Tube of 10)
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
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