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 Audio Digital-to-Analogue Converter (DAC). All this signal processing happens at very high speeds. RS Components offer a wide range of high-quality semiconductor components from leading brands including Microchip, Texas Instruments and Analog Devices.

What are digital signal processors used for?

Digital signal processors (DSPs) 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 high-performance electronic device 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.

Applications

Digital Signal Processing is used in a wide range of electronics applications. The specialized microprocessor chips are designed for performing functions like add, subtract, multiply and divide. Some of the most common areas are;

  • Audio signal processing
  • Digital signal processing
  • Radar and sonar
  • Mobile phones
  • High- definition television

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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. 823-7821
Mfr. Part No.DSPIC33EP512MC806-I/PT
BrandMicrochip
TWD247.00
Each
units
70MHz - - 16bit 52 kB Code Efficient 536 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 4
RS Stock No. 759-1862
Mfr. Part No.ADSP-21262SKSTZ200
TWD1,177.00
Each
units
200MHz SHARC - 32 bit, 40bit 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. 134-5626
Mfr. Part No.dsPIC33EP128GS804-I/PT
BrandMicrochip
TWD173.00
Each
units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 44 3 to 3.6 V 2
RS Stock No. 861-0539
Mfr. Part No.DSPIC30F5013-20I/PT
BrandMicrochip
TWD276.00
Each
units
20MIPS dsPIC30F 30MIPS 16bit 4 kB RISC 66 kB Flash - Surface Mount TQFP 80 2.5 to 5.5 V 2
RS Stock No. 160-0708
Mfr. Part No.ADSP-21479BSWZ-2A
TWD645.40
Each (In a Tray of 90)
units
266MHz SHARC - 32bit 5 Mbit Super Harvard 4 Mbit ROM Floating Point Surface Mount LQFP 100 3.3 V 1
RS Stock No. 798-5226
Mfr. Part No.DSPIC33FJ64GS608-I/PT
BrandMicrochip
TWD204.00
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. 819-7231
Mfr. Part No.ADSP-21065LCSZ-240
TWD2,436.00
Each
units
60MHz SHARC 60MIPS 32bit 544 kB Harvard - ROMLess Floating Point Surface Mount MQFP 208 3.13 to 3.6 V -
RS Stock No. 399-789
Mfr. Part No.DSPIC33FJ32GP202-I/SO
BrandMicrochip
TWD117.00
Each
units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS Stock No. 819-5392
Mfr. Part No.DSPIC30F6011A-30I/PT
BrandMicrochip
TWD262.20
Each (In a Pack of 160)
units
25MHz - - 16bit 6.144 kB RISC 132 kB Flash - Surface Mount TQFP 64 2.5 to 5.5 V 2
RS Stock No. 823-1101
Mfr. Part No.DSPIC30F6014A-20E/PT
BrandMicrochip
TWD385.00
Each
units
40MHz - - 16bit 8.192 kB RISC 144 kB Flash - Surface Mount TQFP 80 3 to 5.5 V 2
RS Stock No. 889-5336
Mfr. Part No.dsPIC33EP256MU810-I/PF
BrandMicrochip
TWD245.20
Each (In a Tray of 90)
units
60MHz - - 16bit 28 kB RISC 280 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 4
RS Stock No. 823-3407
Mfr. Part No.DSPIC33EP512GP806-I/PT
BrandMicrochip
TWD247.00
Each
units
60MHz - - 16bit 52 kB RISC 536 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 4
RS Stock No. 823-7761
Mfr. Part No.DSPIC30F6012A-20E/PT
BrandMicrochip
TWD352.00
Each
units
20MHz - - 16bit 8.192 kB RISC 144 kB Flash - Surface Mount TQFP 64 3 to 5.5 V 2
RS Stock No. 178-4861
Mfr. Part No.DSPIC33FJ64MC802-I/SO
BrandMicrochip
TWD147.00
Each (In a Tube of 27)
units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 178-4847
Mfr. Part No.DSPIC33EP512GP502-I/SP
BrandMicrochip
TWD141.10
Each (In a Tube of 15)
units
5.5MHz - - 16bit 48 kB RISC 512 kB Flash - Through Hole PDIP 28 3 to 3.6 V 2
RS Stock No. 177-1596
Mfr. Part No.DSPIC33FJ16GS502-I/MM
BrandMicrochip
TWD132.40
Each (In a Tube of 61)
units
40MHz DSPIC 50MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount QFN 28 3.3 V 2
RS Stock No. 666-9655
Mfr. Part No.dsPIC33FJ128MC506A-I/PT
BrandMicrochip
TWD188.00
Each
units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 880-6711
Mfr. Part No.dsPIC33EV32GM106-I/PT
BrandMicrochip
TWD112.00
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 to 5.5 V 2
RS Stock No. 622-9982
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
TWD194.00
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. 889-5566
Mfr. Part No.DSPIC33FJ256GP710-I/PF
BrandMicrochip
TWD255.20
Each (In a Tray of 90)
units
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2