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 Prix 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
N° de stock RS 825-1023
Référence fabricantDSPIC33EP128GM604-I/PT
MarqueMicrochip
4,655 €
Each (In a Pack of 2)
Unité
140MHz - - 16bit 16 kB DSP 128 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
N° de stock RS 823-3425
Référence fabricantDSPIC33FJ128MC804-E/PT
MarqueMicrochip
5,42 €
Each
Unité
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
N° de stock RS 823-7821
Référence fabricantDSPIC33EP512MC806-I/PT
MarqueMicrochip
6,27 €
Each
Unité
70MHz - - 16bit 52 kB Code Efficient 536 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 4
N° de stock RS 178-4154
Référence fabricantDSPIC33FJ64GP706A-I/PT
MarqueMicrochip
4,007 €
Each (In a Tray of 160)
Unité
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
N° de stock RS 666-9712
Référence fabricantdsPIC33FJ64GP706A-I/PT
MarqueMicrochip
4,83 €
Each
Unité
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
N° de stock RS 869-6637
Référence fabricantDSPIC33FJ32MC204-I/PT
MarqueMicrochip
2,664 €
Each (In a Tray of 160)
Unité
40MIPS - - 16bit 32 kB RISC 256 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
N° de stock RS 399-773
Référence fabricantDSPIC33FJ32MC204-I/PT
MarqueMicrochip
3,22 €
Each
Unité
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
N° de stock RS 666-8286
Référence fabricantdsPIC30F3013-30I/SP
MarqueMicrochip
3,62 €
Each
Unité
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 24 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 2
N° de stock RS 622-9982
Référence fabricantDSPIC30F4012-30I/SP
MarqueMicrochip
4,80 €
Each
Unité
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
N° de stock RS 889-5584
Référence fabricantDSPIC30F4012-30I/SP
MarqueMicrochip
4,795 €
Each (In a Tube of 15)
Unité
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
N° de stock RS 799-0124
Référence fabricantDSPIC33EP512GM604-I/PT
MarqueMicrochip
4,97 €
Each
Unité
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
N° de stock RS 761-7251
Référence fabricantdsPIC33EP64GP504-I/PT
MarqueMicrochip
1,75 €
Each
Unité
70MIPS - - 16bit 8 kB Harvard 64 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
N° de stock RS 823-3407
Référence fabricantDSPIC33EP512GP806-I/PT
MarqueMicrochip
6,27 €
Each
Unité
60MHz - - 16bit 52 kB RISC 536 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 4
N° de stock RS 888-4865
Référence fabricantDSPIC33EP512GM604-I/PT
MarqueMicrochip
4,129 €
Each (In a Tray of 160)
Unité
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 4
N° de stock RS 869-6630
Référence fabricantDSPIC33FJ64GP206-I/PT
MarqueMicrochip
3,852 €
Each (In a Tray of 160)
Unité
40MIPS dsPIC33F 40MIPS 16bit 2 kB RISC 32 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
N° de stock RS 889-6076
Référence fabricantdsPIC33FJ256GP506A-I/PT
MarqueMicrochip
4,063 €
Each (In a Tray of 160)
Unité
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
N° de stock RS 177-1585
Référence fabricantDSPIC33EP256MC502-I/SS
MarqueMicrochip
2,564 €
Each (In a Tube of 47)
Unité
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount SSOP 28 3.3 V 2
N° de stock RS 399-741
Référence fabricantDSPIC33FJ12GP202-I/SO
MarqueMicrochip
2,642 €
Each (In a Pack of 5)
Unité
40MIPS - - 16bit 1 kB RISC 12 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
N° de stock RS 183-2206
Référence fabricantADAU1445YSVZ-3A
15,55 €
Each
Unité
172MHz ADAU1445 3584 28 bit, 56 bit 8 k - - EEPROM MAC Surface Mount TQFP_EP 100 1.8 V, 3.3 V -
N° de stock RS 160-2634
Référence fabricantADSP-21369KSWZ-4A
36,081 €
Each (In a Tray of 36)
Unité
800MHz SHARC 350MIPS 32bit 2 Mbit Harvard 6 Mbit ROM Floating Point Surface Mount LQFP 208 3.3 V 2