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. 162-8386
Mfr. Part No.TMS320C6205ZHK200
PHP914.55
Each (In a Tube of 90)
units
250MHz - 1600MIPS 32bit 64 kB DSP 64 kB EEPROM Fixed Point Surface Mount BGA 288 3.3 V 0
RS Stock No. 178-4870
Mfr. Part No.DSPIC33EV256GM102-I/SO
BrandMicrochip
PHP172.206
Each (In a Tube of 27)
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount SOIC 28 4.5 → 5.5 V 2
RS Stock No. 799-0143
Mfr. Part No.DSPIC33EP512MC504-I/PT
BrandMicrochip
PHP228.55
Each
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 178-5211
Mfr. Part No.DSPIC33EP512MC504-I/PT
BrandMicrochip
PHP399.983
Each (In a Tray of 160)
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 622-9932
Mfr. Part No.DSPIC30F4011-20I/P
BrandMicrochip
PHP318.68
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. 799-0124
Mfr. Part No.DSPIC33EP512GM604-I/PT
BrandMicrochip
PHP359.50
Each
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
RS Stock No. 178-4836
Mfr. Part No.DSPIC30F4011-20I/P
BrandMicrochip
PHP318.68
Each (In a Tube of 10)
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. 889-5584
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
PHP297.68
Each (In a Tube of 15)
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS Stock No. 861-0541
Mfr. Part No.dsPIC33EV256GM102-I/SO
BrandMicrochip
PHP187.65
Each
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount SOIC 28 4.5 → 5.5 V 2
RS Stock No. 818-4721
Mfr. Part No.TMS320C6205ZHK200
PHP1,037.93
Each
units
250MHz - 1600MIPS 32bit 64 kB DSP 64 kB EEPROM Fixed Point Surface Mount BGA 288 3.3 V 0
RS Stock No. 178-5216
Mfr. Part No.DSPIC33FJ64GS606-50I/PT
BrandMicrochip
PHP540.557
Each (In a Tray of 160)
units
50MHz - 50MIPS 16bit 9 kB Code Efficient 64 kB Flash Fixed Point, Floating Point Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 666-9661
Mfr. Part No.dsPIC33FJ128MC708A-I/PT
BrandMicrochip
PHP362.51
Each
units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 80 3 → 3.6 V 2
RS Stock No. 823-7840
Mfr. Part No.DSPIC33FJ128GP706A-E/PT
BrandMicrochip
PHP350.75
Each
units
40MHz - - 16bit 16 kB Code Efficient 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 823-7819
Mfr. Part No.DSPIC33EP32MC204-I/PT
BrandMicrochip
PHP117.09
Each (In a Pack of 5)
units
70MHz - - 16bit 4 kB Code Efficient 32 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 159-7586
Mfr. Part No.ADSP-21261SKSTZ150
PHP659.93
Each (In a Tray of 60)
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. 178-4981
Mfr. Part No.DSPIC33FJ128MC802-I/MM
BrandMicrochip
PHP259.638
Each (In a Tube of 61)
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN S 28 3.3 V 2
RS Stock No. 622-9982
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
PHP297.68
Each
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS Stock No. 825-1032
Mfr. Part No.DSPIC33EP32MC202-I/SS
BrandMicrochip
PHP99.70
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. 622-9998
Mfr. Part No.DSPIC30F4013-30I/P
BrandMicrochip
PHP310.28
Each
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
RS Stock No. 887-7378
Mfr. Part No.dsPIC30F6012A-30I/PF
BrandMicrochip
PHP502.43
Each (In a Tray of 90)
units
30MIPS dsPIC30F 30MIPS 16bit 8.192 kB RISC 4.096 kB, 144 kB Flash - Surface Mount TQFP 64 2.5 → 5.5 V 2
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