Digital Signal Processors

Digital signal processors (DSPs) capture signals such as voice, audio, or video as digital information, process them at very high speeds and then feed the information back for use. They do this in either a digital or an analogue format by going through an Audio Digital-to-Analogue Converter (DAC). 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.

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.

Where are DSPs used?

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. 178-4141
Mfr. Part No.DSPIC33FJ64GS608-I/PT
BrandMicrochip
£3.78
Each (In a Tray of 119)
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. 880-6705
Mfr. Part No.dsPIC33EV32GM102-I/SO
BrandMicrochip
£2.225
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 to 5.5 V 2
RS Stock No. 798-5226
Mfr. Part No.DSPIC33FJ64GS608-I/PT
BrandMicrochip
£4.78
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. 823-3407
Mfr. Part No.DSPIC33EP512GP806-I/PT
BrandMicrochip
£5.93
Each
Units
60MHz - - 16bit 52 kB RISC 536 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 4
RS Stock No. 759-1887
Mfr. Part No.ADSP-BF533SBSTZ400
£13.26
Each
Units
400MHz Blackfin - 16bit 16 (Instruction SRAM Cache) kB, 32 (Data SRAM/Data SRAM Cache) kB, 64 (Instruction SRAM) kB RISC 1 kB ROM MAC Surface Mount LQFP 176 0.8 to 1.45 V, 1.75 to 3.6 V 1
RS Stock No. 861-0541
Mfr. Part No.dsPIC33EV256GM102-I/SO
BrandMicrochip
£2.83
Each
Units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount SOIC 28 4.5 to 5.5 V 2
RS Stock No. 178-4871
Mfr. Part No.DSPIC33EV32GM102-I/SO
BrandMicrochip
£1.95
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 to 5.5 V 2
RS Stock No. 798-9916
Mfr. Part No.ADAU1452WBCPZ
£10.34
Each
Units
294.912MHz SHARC 294MIPS 32bit - DSP - Flash Fixed Point Surface Mount LFCSP 72 3.3 V -
RS Stock No. 869-6621
Mfr. Part No.DSPIC33FJ32MC202-I/SP
BrandMicrochip
£2.92
Each (In a Tube of 15)
Units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2
RS Stock No. 102-5577
Mfr. Part No.TMS320F2808PZA
£13.994
Each (In a Tray of 90)
Units
100MHz - 100MIPS 32bit 36 kB Harvard 128 kB Flash Fixed Point Surface Mount LQFP 100 1.8 V, 3.3 V -
RS Stock No. 549-401
Mfr. Part No.DSPIC33FJ64GP802-I/SP
BrandMicrochip
£4.11
Each
Units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Through Hole SPDIP 28 3 to 3.6 V 2
RS Stock No. 178-4151
Mfr. Part No.DSPIC33FJ128MC706A-I/PT
BrandMicrochip
£3.91
Each (In a Tray of 160)
Units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 178-4142
Mfr. Part No.DSPIC30F5013-20I/PT
BrandMicrochip
£5.62
Each (In a Tray of 119)
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. 697-7785
Mfr. Part No.ADSP-2181BSZ-133
£41.99
Each
Units
33.3MHz - 33.3MIPS 16bit 80 kB Enhanced Harvard - RAM Fixed Point Surface Mount MQFP 128 5 V -
RS Stock No. 666-9692
Mfr. Part No.dsPIC33FJ256MC710A-I/PF
BrandMicrochip
£6.57
Each
Units
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2
RS Stock No. 666-8374
Mfr. Part No.dsPIC33FJ128MC804-I/ML
BrandMicrochip
£3.37
Each
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN 44 3.3 V 2
RS Stock No. 887-7202
Mfr. Part No.DSPIC30F6014A-30I/PF
BrandMicrochip
£7.57
Each (In a Tray of 90)
Units
30MIPS dsPIC30F 30MIPS 16bit 8.192 kB RISC 4.096 kB, 144 kB Flash - Surface Mount TQFP 80 2.5 to 5.5 V 2
RS Stock No. 759-1862
Mfr. Part No.ADSP-21262SKSTZ200
£27.50
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 to 1.26 V, 3.13 to 3.47 V 6
RS Stock No. 666-9652
Mfr. Part No.dsPIC33FJ128MC706A-I/PT
BrandMicrochip
£4.94
Each
Units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 889-5597
Mfr. Part No.dsPIC33FJ256MC710A-I/PF
BrandMicrochip
£5.80
Each (In a Tray of 90)
Units
40MIPS dsPIC33F 40MIPS 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2