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. 177-3783
Mfr. Part No.DSPIC33EP256MC204-I/PT
BrandMicrochip
kr 30,46
Each (In a Pack of 2)
Units
70MHz DSPIC33EP256MC204 70MIPS 16bit 32 kB Harvard 256 kB Flash ALU Surface Mount TQFP 44 - 2
RS Stock No. 869-6595
Mfr. Part No.DSPIC33FJ12MC202-I/SO
BrandMicrochip
kr 26,793
Each (In a Tube of 27)
Units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 → 3.6 V 1
RS Stock No. 709-3917
Mfr. Part No.TMS320VC5416PGE160
kr 297,26
Each
Units
160MHz - 160MIPS 16bit 256 kB Harvard 32 kB DARAM, ROM, SARAM Fixed Point Surface Mount LQFP 144 1.6 V, 3.3 V -
RS Stock No. 160-2906
Mfr. Part No.ADSP-BF512KBCZ-4
kr 95,156
Each (In a Tray of 189)
Units
400MHz Blackfin 400MIPS 16bit 32 kB RISC 116 kB OTP ALU Surface Mount CSP BGA 168 1.8 V 2
RS Stock No. 823-3419
Mfr. Part No.DSPIC33EP64MC202-I/MM
BrandMicrochip
kr 21,385
Each (In a Pack of 2)
Units
60MHz - - 16bit 8 kB RISC 64 kB Flash - Surface Mount QFN 28 3 → 3.6 V 2
RS Stock No. 697-7798
Mfr. Part No.ADSP-2185MKSTZ-300
kr 252,24
Each
Units
75MHz ADSP-21xx 75MIPS 16bit 80 kB Enhanced Harvard - RAM Fixed Point Surface Mount LQFP 100 2.5 V, 3.3 V -
RS Stock No. 823-3403
Mfr. Part No.dsPIC33EP256MU810-I/PF
BrandMicrochip
kr 72,98
Each
Units
60MHz - - 16bit 28 kB RISC 280 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 4
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. 861-0551
Mfr. Part No.dsPIC33EV256GM106-I/PT
BrandMicrochip
kr 37,59
Each
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount TQFP 64 4.5 → 5.5 V 2
RS Stock No. 183-2206
Mfr. Part No.ADAU1445YSVZ-3A
kr 136,69
Each
Units
172MHz ADAU1445 3584 28 bit, 56 bit 8 k - - EEPROM MAC Surface Mount TQFP_EP 100 1.8 V, 3.3 V -
RS Stock No. 798-4463
Mfr. Part No.TMS320C5535AZHH05
kr 57,73
Each
Units
50MHz - 50MIPS 32bit 320 kB DSP 128 kB ROM Fixed Point Surface Mount BGA 144 1.05 V 1
RS Stock No. 889-5336
Mfr. Part No.dsPIC33EP256MU810-I/PF
BrandMicrochip
kr 66,75
Each (In a Tray of 90)
Units
60MHz - - 16bit 28 kB RISC 280 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 4
RS Stock No. 178-4859
Mfr. Part No.DSPIC33FJ128MC802-I/SO
BrandMicrochip
kr 43,739
Each (In a Tube of 27)
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 666-8277
Mfr. Part No.dsPIC30F3013-30I/SO
BrandMicrochip
kr 36,99
Each
Units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 24 kB Flash - Surface Mount SOIC 28 2.5 → 5.5 V 2
RS Stock No. 889-5187
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
kr 49,004
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. 177-1577
Mfr. Part No.DSPIC30F3013-20I/SO
BrandMicrochip
kr 33,662
Each (In a Tube of 27)
Units
40MHz DSPIC 20MIPS 16bit 2.048 kB - 24 kB Flash ALU Surface Mount SOIC 28 5.5 V 2
RS Stock No. 697-7833
Mfr. Part No.ADSP-BF537BBCZ-5B
kr 291,02
Each
Units
500MHz Blackfin 500MIPS 16bit 32 kB Modified Harvard - ROM, SRAM Fixed Point Surface Mount CSP BGA 208 1.2 V, 2.5 V, 3.3 V -
RS Stock No. 823-3413
Mfr. Part No.DSPIC33FJ06GS101-E/SO
BrandMicrochip
kr 19,26
Each (In a Pack of 2)
Units
40MHz - - 16bit 256 B RISC 6 kB Flash - Surface Mount SOIC 18 3 → 3.6 V 1
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. 823-7821
Mfr. Part No.DSPIC33EP512MC806-I/PT
BrandMicrochip
kr 67,30
Each
Units
70MHz - - 16bit 52 kB Code Efficient 536 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 4
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