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. 178-5220
Mfr. Part No.DSPIC33EV32GM106-I/PT
BrandMicrochip
SGD4.34
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 64 4.5 → 5.5 V 2
RS Stock No. 880-6711
Mfr. Part No.dsPIC33EV32GM106-I/PT
BrandMicrochip
SGD5.355
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 64 4.5 → 5.5 V 2
RS Stock No. 869-6101
Mfr. Part No.DSPIC33EV256GM002-I/SP
BrandMicrochip
SGD6.79
Each
units
70MHz - 70MIPS 16bit 16 kB C 256 kB Flash - Through Hole PDIP 28 4.5 → 5.5 V 2
RS Stock No. 861-0545
Mfr. Part No.dsPIC33EV256GM102-I/SP
BrandMicrochip
SGD6.32
Each
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Through Hole PDIP 28 4.5 → 5.5 V 2
RS Stock No. 178-4849
Mfr. Part No.DSPIC33EV256GM102-I/SP
BrandMicrochip
SGD5.74
Each (In a Tube of 15)
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Through Hole PDIP 28 4.5 → 5.5 V 2
RS Stock No. 666-8315
Mfr. Part No.dsPIC30F6011A-30I/PF
BrandMicrochip
SGD16.72
Each
units
30MIPS dsPIC30F 30MIPS 16bit 6.144 kB RISC 2.048 kB, 132 kB Flash - Surface Mount TQFP 64 2.5 → 5.5 V 2
RS Stock No. 825-1032
Mfr. Part No.DSPIC33EP32MC202-I/SS
BrandMicrochip
SGD3.722
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. 761-7251
Mfr. Part No.dsPIC33EP64GP504-I/PT
BrandMicrochip
SGD4.44
Each
units
70MIPS - - 16bit 8 kB Harvard 64 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 893-8322
Mfr. Part No.DSPIC33EP64GS504-I/PT
BrandMicrochip
SGD6.91
Each (In a Pack of 2)
units
1MHz - 70MIPS 16bit 8 kB Code Efficient, MCU, Modified Harvard 64 kB EEPROM, SRAM MAC Surface Mount TQFP 44 3 → 3.6 V 2
RS Stock No. 178-5224
Mfr. Part No.DSPIC33EP64GS504-I/PT
BrandMicrochip
SGD5.748
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 44 3 → 3.6 V 2
RS Stock No. 622-9960
Mfr. Part No.DSPIC30F4012-30I/SO
BrandMicrochip
SGD7.15
Each
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount SOIC 28 2.5 → 5.5 V 1
RS Stock No. 889-5112
Mfr. Part No.DSPIC30F4012-30I/SO
BrandMicrochip
SGD6.091
Each (In a Tube of 27)
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount SOIC 28 2.5 → 5.5 V 1
RS Stock No. 178-4871
Mfr. Part No.DSPIC33EV32GM102-I/SO
BrandMicrochip
SGD3.96
Each (In a Tube of 27)
units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount SOIC 28 4.5 → 5.5 V 2
RS Stock No. 399-729
Mfr. Part No.DSPIC33FJ12MC201-I/P
BrandMicrochip
SGD5.022
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. 880-6705
Mfr. Part No.dsPIC33EV32GM102-I/SO
BrandMicrochip
SGD4.46
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 SOIC 28 4.5 → 5.5 V 2
RS Stock No. 622-9932
Mfr. Part No.DSPIC30F4011-20I/P
BrandMicrochip
SGD7.93
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. 869-6609
Mfr. Part No.DSPIC33FJ12MC201-I/P
BrandMicrochip
SGD4.119
Each (In a Tube of 22)
units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 → 3.6 V 1
RS Stock No. 909-3452
Mfr. Part No.ADSP-BF518BSWZ4F16
SGD36.20
Each
units
400MHz Blackfin - 16 bit, 32 bit 116 kB RISC 16 Mbit Flash MAC Surface Mount LQFP EP 176 1.8 V, 2.5 V, 3.3 V 2
RS Stock No. 145-6667
Mfr. Part No.ADSP-BF518BSWZ4F16
SGD32.11
Each (In a Tray of 40)
units
400MHz Blackfin - 16 bit, 32 bit 116 kB RISC 16 Mbit Flash MAC Surface Mount LQFP EP 176 1.8 V, 2.5 V, 3.3 V 2
RS Stock No. 893-8329
Mfr. Part No.DSPIC33EP64GS506-I/PT
BrandMicrochip
SGD7.30
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
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