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. 819-7231
Mfr. Part No.ADSP-21065LCSZ-240
PHP4,227.30
Each
units
60MHz SHARC 60MIPS 32bit 544 kB Harvard - ROMLess Floating Point Surface Mount MQFP 208 3.13 → 3.6 V 0
RS Stock No. 160-4510
Mfr. Part No.ADSP-21065LCSZ-240
PHP4,019.218
Each (In a Tray of 24)
units
60MHz SHARC 60MIPS 32bit 544 kB Harvard - ROMLess Floating Point Surface Mount MQFP 208 3.13 → 3.6 V 0
RS Stock No. 159-7586
Mfr. Part No.ADSP-21261SKSTZ150
PHP638.537
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. 759-0465
Mfr. Part No.ADSP-21261SKSTZ150
PHP721.65
Each
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. 496-7345
Mfr. Part No.ADSP-BF533SBBZ500
PHP1,594.23
Each
units
500MHz Blackfin 500MIPS 16bit - Modified Harvard - ROM, SRAM Fixed Point Surface Mount BGA 169 1.2 V, 1.8 V, 2.5 V, 3.3 V -
RS Stock No. 819-7225
Mfr. Part No.ADSP-BF525KBCZ-6A
PHP1,821.23
Each
units
600MHz Blackfin 600MIPS 32bit 32 kB Harvard - ROMLess - Surface Mount BGA 208 1.8 V, 2.5 V, 3.3 V 2
RS Stock No. 158-0167
Mfr. Part No.ADSP-BF532SBSTZ400
PHP841.743
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. 160-2915
Mfr. Part No.ADSP-BF534BBCZ-5A
PHP1,151.619
Each (In a Tray of 189)
units
500MHz Blackfin 500MIPS 16bit 32 kB RISC 132 kB Flash ALU Surface Mount CSP BGA 182 1.3 V, 3.3 V 2
RS Stock No. 802-3994
Mfr. Part No.ADSP-BF592BCPZ
PHP408.07
Each
units
400MHz Blackfin 400MIPS 32bit 32 kB RISC, Super Harvard 68 kB EEPROM, Flash MAC Surface Mount LFCSP 64 3.6 V 1
RS Stock No. 158-0584
Mfr. Part No.ADSP-21992BSTZ
PHP2,394.00
Each (In a Tray of 40)
units
160MHz ADSP-21xx 160MIPS 16bit 48 kB - 4 kB RAM, ROM Fixed Point Surface Mount LQFP 176 2.5 V, 3.3 V -
RS Stock No. 159-9536
Mfr. Part No.ADAU1452WBCPZ
PHP701.81
Each (In a Tray of 168)
units
294.912MHz SHARC 294MIPS 32bit - DSP - Flash Fixed Point Surface Mount LFCSP 72 3.3 V -
RS Stock No. 160-2628
Mfr. Part No.ADSP-BF532SBBCZ400
PHP988.859
Each (In a Tray of 189)
units
32.768kHz Blackfin 400MIPS 16bit 80 kB Harvard - ROMLess Fixed Point Surface Mount CSP BGA 160 1.2 V, 3.3 V 1
RS Stock No. 159-8137
Mfr. Part No.ADAU1442YSVZ-3A
PHP816.696
Each (In a Tray of 90)
units
172MHz SHARC 3584IPS 28 bit, 56 bit 4 (Parameter) kB, 8 (Data RAM) kB - 40 kB EEPROM MAC Surface Mount TQFP 100 1.8 → 3.3 V 0
RS Stock No. 909-3452
Mfr. Part No.ADSP-BF518BSWZ4F16
PHP1,278.12
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. 877-9221
Mfr. Part No.ADSP-BF592KCPZ
PHP370.88
Each
units
400MHz Blackfin 400MIPS - 32 kB RISC - - ALU Surface Mount LFCSP 64 1.8 V, 2.5 V, 3.3 V 1
RS Stock No. 160-4508
Mfr. Part No.ADSP-2184LBSTZ-160
PHP1,020.946
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. 159-7706
Mfr. Part No.ADSP-21262SKSTZ200
PHP1,604.603
Each (In a Tray of 60)
units
200MHz SHARC - 32 bit, 40 bit 2 (SRAM) Mbit Super Harvard 4 Mbit ROM Fixed Point, Floating Point Surface Mount LQFP 144 1.14 → 1.26 V, 3.13 → 3.47 V 6
RS Stock No. 877-9202
Mfr. Part No.ADSP-BF534BBCZ-5B
PHP1,497.83
Each
units
500MHz Blackfin 500MIPS 16bit 32 kB RISC 132 kB Flash ALU Surface Mount CSP BGA 208 1.3 V, 3.3 V 2
RS Stock No. 183-2291
Mfr. Part No.ADSP-BF523BBCZ-5A
PHP1,198.80
Each (In a Tray of 90)
units
533MHz ADSP-BF523 - 32bit 32 kB RISC 132 kB SRAM ALU Surface Mount BGA 208 3.3 V 2
RS Stock No. 697-6975
Mfr. Part No.AD6620ASZ
PHP1,901.55
Each
units
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