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 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. 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. 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. 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. 183-2291
Mfr. Part No.ADSP-BF523BBCZ-5A
kr 187,762
Each (In a Tray of 90)
Units
533MHz ADSP-BF523 - 32bit 32 kB RISC 132 kB SRAM ALU Surface Mount BGA 208 3.3 V 2
RS Stock No. 183-2292
Mfr. Part No.ADSP-BF561SBBZ600
kr 442,444
Each (In a Tray of 40)
Units
600MHz ADSP-BF561 - 16bit 32 kB RISC 328 kB SRAM ALU Surface Mount PBGA 297 3.3 V 1
RS Stock No. 177-1745
Mfr. Part No.DSPIC33EP32MC202-I/SO
BrandMicrochip
kr 17,188
Each (In a Pack of 5)
Units
60MHz DSPIC 70MIPS 16bit 4 kB C 32 kB Flash ALU Surface Mount SOIC 28 3.3 V 2
RS Stock No. 160-2904
Mfr. Part No.ADSP-2196MKSTZ-160
kr 173,785
Each (In a Tray of 60)
Units
160MHz Blackfin 160MIPS 16bit 16 kB DSP 16 Kwords RAM Floating Point Surface Mount LQFP 144 2.5 V, 3.3 V 1
RS Stock No. 759-0465
Mfr. Part No.ADSP-21261SKSTZ150
kr 91,70
Each
Units
150MHz SHARC - 32 bit, 40 bit 1 (SRAM) Mbit Super Harvard 3 Mbit ROM Fixed Point, Floating Point Surface Mount LQFP 144 1.14 → 1.26 V, 3.13 → 3.47 V 4
RS Stock No. 912-2837
Mfr. Part No.DSPIC33FJ128GP804-I/ML
BrandMicrochip
kr 43,509
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. 134-5618
Mfr. Part No.dsPIC33EP128GS702-I/SO
BrandMicrochip
kr 33,38
Each
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount SOIC 28 3 → 3.6 V 2
RS Stock No. 825-1032
Mfr. Part No.DSPIC33EP32MC202-I/SS
BrandMicrochip
kr 16,87
Each (In a Pack of 5)
Units
140MHz - - 16bit 4 kB DSP 32 kB Flash - Surface Mount SSOP 28 3 → 3.6 V 2
RS Stock No. 799-0092
Mfr. Part No.DSPIC33EP512GM304-I/PT
BrandMicrochip
kr 51,74
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 869-6643
Mfr. Part No.DSPIC33FJ32GP202-I/SO
BrandMicrochip
kr 24,444
Each (In a Tube of 27)
Units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 1
RS Stock No. 861-0557
Mfr. Part No.dsPIC33EV256GM106-I/MR
BrandMicrochip
kr 26,32
Each
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount QFN 64 4.5 → 5.5 V 2
RS Stock No. 869-6621
Mfr. Part No.DSPIC33FJ32MC202-I/SP
BrandMicrochip
kr 23,111
Each (In a Tube of 15)
Units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 100 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. 798-4463
Mfr. Part No.TMS320C5535AZHH05
kr 29,84
Each
Units
50MHz - 50MIPS 32bit 320 kB DSP 128 kB ROM Fixed Point Surface Mount BGA 144 1.05 V 1
RS Stock No. 889-5112
Mfr. Part No.DSPIC30F4012-30I/SO
BrandMicrochip
kr 44,758
Each (In a Tube of 27)
Units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount SOIC 28 2.5 → 5.5 V 1
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