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. 799-0149
Mfr. Part No.DSPIC33EP512GP506-I/PT
BrandMicrochip
$8.34
Each
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 178-5213
Mfr. Part No.DSPIC33EP512GP506-I/PT
BrandMicrochip
$5.81
Each (In a Tray of 160)
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 889-5584
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
$6.492
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. 622-9982
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
$8.81
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. 122-9755
Mfr. Part No.dsPIC33EV256GM102-I/SS
BrandMicrochip
$5.535
Each (In a Pack of 2)
units
60MHz dsPIC33EV 70MIPS 16bit 16 kB Modified Harvard 256 kB Flash MAC Surface Mount SSOP 28 5 V 2
RS Stock No. 549-356
Mfr. Part No.DSPIC33FJ64MC802-I/SP
BrandMicrochip
$8.70
Each
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 2
RS Stock No. 178-5357
Mfr. Part No.DSPIC33FJ64MC802-I/SP
BrandMicrochip
$6.27
Each (In a Bag of 500)
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 2
RS Stock No. 825-1032
Mfr. Part No.DSPIC33EP32MC202-I/SS
BrandMicrochip
$2.754
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. 869-6211
Mfr. Part No.SSC7150-ML-AB0
BrandMicrochip
$6.215
Each (In a Pack of 2)
units
400kHz - - 32bit - - - - - Surface Mount QFN 28 3.3 V -
RS Stock No. 912-5319
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
$4.53
Each (In a Pack of 2)
units
120MHz - - 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point, MAC Surface Mount QFN S 28 3.3 V 1
RS Stock No. 619-5643
Mfr. Part No.TMS320LF2406APZA
$19.03
Each
units
40MHz - 40MIPS 16bit 5 kB Harvard 64 kB Flash EEPROM Fixed Point Surface Mount LQFP 100 3.3 V, 5 V -
RS Stock No. 823-3413
Mfr. Part No.DSPIC33FJ06GS101-E/SO
BrandMicrochip
$4.385
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. 162-4884
Mfr. Part No.TMS320LF2406APZA
$24.654
Each (In a Tray of 90)
units
40MHz - 40MIPS 16bit 5 kB Harvard 64 kB Flash EEPROM Fixed Point Surface Mount LQFP 100 3.3 V, 5 V -
RS Stock No. 178-4986
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
$4.039
Each (In a Tube of 61)
units
120MHz - - 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point, MAC Surface Mount QFN S 28 3.3 V 1
RS Stock No. 622-9897
Mfr. Part No.DSPIC30F2010-30I/SP
BrandMicrochip
$5.47
Each
units
30MIPS dsPIC30F 30MIPS 16bit 512 B RISC 1.024 kB, 12 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS Stock No. 893-8329
Mfr. Part No.DSPIC33EP64GS506-I/PT
BrandMicrochip
$9.56
Each
units
1MHz - 70MIPS 16bit 8 kB Code Efficient, MCU, Modified Harvard 64 kB EEPROM, SRAM MAC Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 880-6702
Mfr. Part No.dsPIC33EV32GM104-I/PT
BrandMicrochip
$6.285
Each (In a Pack of 2)
units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 44 4.5 → 5.5 V 2
RS Stock No. 178-4840
Mfr. Part No.DSPIC30F2010-30I/SP
BrandMicrochip
$5.51
Each (In a Tube of 15)
units
30MIPS dsPIC30F 30MIPS 16bit 512 B RISC 1.024 kB, 12 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS Stock No. 178-5219
Mfr. Part No.DSPIC33EV32GM104-I/PT
BrandMicrochip
$3.86
Each (In a Tray of 160)
units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 44 4.5 → 5.5 V 2
RS Stock No. 178-5225
Mfr. Part No.DSPIC33EP64GS506-I/PT
BrandMicrochip
$5.94
Each (In a Tray of 160)
units
1MHz - 70MIPS 16bit 8 kB Code Efficient, MCU, Modified Harvard 64 kB EEPROM, SRAM MAC Surface Mount TQFP 64 3 → 3.6 V 2
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