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. 178-4862
Mfr. Part No.DSPIC33FJ16GS502-I/SO
BrandMicrochip
$5.78
Each (In a Tube of 27)
units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 158-0167
Mfr. Part No.ADSP-BF532SBSTZ400
$25.25
Each (In a Tray of 40)
units
400MHz Blackfin 400MIPS 16bit - Modified Harvard - ROM, SRAM Fixed Point Surface Mount LQFP 176 1.2 V, 1.8 V, 2.5 V, 3.3 V -
RS Stock No. 399-729
Mfr. Part No.DSPIC33FJ12MC201-I/P
BrandMicrochip
$5.146
Each (In a Pack of 5)
units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 → 3.6 V 1
RS Stock No. 666-9677
Mfr. Part No.dsPIC33FJ16GS502-I/SO
BrandMicrochip
$6.83
Each
units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 178-5204
Mfr. Part No.DSPIC33EP128GP504-I/PT
BrandMicrochip
$3.97
Each (In a Tray of 160)
units
70MHz - - 16bit 16 kB Modified Harvard 128 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 861-0548
Mfr. Part No.dsPIC33EV256GM102-I/MM
BrandMicrochip
$6.80
Each
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount QFN 28 4.5 → 5.5 V 2
RS Stock No. 798-5226
Mfr. Part No.DSPIC33FJ64GS608-I/PT
BrandMicrochip
$8.82
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. 177-3511
Mfr. Part No.DSPIC33EP128MC206-I/PT
$4.68
Each (In a Tray of 160)
units
70MHz DSPIC33EP128MC206 70MIPS 16bit 16 kB Harvard 128 kB Flash ALU Surface Mount TQFP 64 - 2
RS Stock No. 162-7543
Mfr. Part No.TMS320C6713BZDP225
$82.18
Each (In a Tray of 40)
units
225MHz - 1800MIPS 32bit - Advanced VLIW - RAM Floating Point Surface Mount BGA 272 1.2 V, 3.3 V -
RS Stock No. 666-8321
Mfr. Part No.dsPIC33FJ128GP202-I/SO
BrandMicrochip
$7.75
Each
units
40MHz - - 16bit 8 kB RISC 128 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 399-723
Mfr. Part No.DSPIC33FJ12MC202-I/SO
BrandMicrochip
$4.734
Each (In a Pack of 5)
units
40MIPS - - 16bit 1 kB RISC 12 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 666-9699
Mfr. Part No.dsPIC33FJ256MC510A-I/PT
BrandMicrochip
$11.17
Each
units
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 177-1587
Mfr. Part No.DSPIC33EP32MC202-I/MM
$2.745
Each (In a Tube of 61)
units
60MHz DSPIC 70MIPS 16bit 4 kB C 32 kB Flash ALU Surface Mount QFN 28 3.3 V 2
RS Stock No. 178-4848
Mfr. Part No.DSPIC33EP512MC502-I/SP
BrandMicrochip
$6.30
Each (In a Tube of 15)
units
5.5MHz - - 16bit 48 kB RISC 512 kB Flash - Through Hole PDIP 28 3 → 3.6 V 2
RS Stock No. 177-3512
Mfr. Part No.DSPIC33EP256GP504-I/PT
$5.355
Each (In a Tray of 160)
units
70MHz DSPIC33EP256GP504 70MIPS 16bit 32 kB Harvard 256 kB Flash ALU Surface Mount TQFP 44 - 2
RS Stock No. 761-7251
Mfr. Part No.dsPIC33EP64GP504-I/PT
BrandMicrochip
$4.35
Each
units
70MIPS - - 16bit 8 kB Harvard 64 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 160-4508
Mfr. Part No.ADSP-2184LBSTZ-160
$35.066
Each (In a Tray of 90)
units
40MHz Blackfin 40MIPS 16bit 160 kB ADSP-2100 - ROMLess Fixed Point Surface Mount LQFP 100 3 → 3.6 V 1
RS Stock No. 162-8386
Mfr. Part No.TMS320C6205ZHK200
$38.02
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 -
RS Stock No. 178-4984
Mfr. Part No.DSPIC33FJ64MC802-I/MM
BrandMicrochip
$6.82
Each (In a Tube of 61)
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount QFN-S 28 3 → 3.6 V 2
RS Stock No. 666-8485
Mfr. Part No.dsPIC33FJ64MC802-I/MM
BrandMicrochip
$8.06
Each
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount QFN-S 28 3 → 3.6 V 2
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