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. 177-1833
Mfr. Part No.DSPIC33EP256GP504-I/ML
BrandMicrochip
HK$35.49
Each (In a Pack of 2)
units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount QFN 44 3.3 V 2
RS Stock No. 666-8365
Mfr. Part No.dsPIC33FJ128MC802-I/MM
BrandMicrochip
HK$50.77
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN S 28 3.3 V 2
RS Stock No. 178-4860
Mfr. Part No.DSPIC33FJ32MC302-I/SO
BrandMicrochip
HK$34.146
Each (In a Tube of 27)
units
40MHz - - 16bit 4 kB RISC 32 kB Flash - Surface Mount SOIC W 28 3.3 V 1
RS Stock No. 399-814
Mfr. Part No.DSPIC33FJ12MC202-I/SP
BrandMicrochip
HK$33.69
Each
units
40MIPS dsPIC33F 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 1
RS Stock No. 399-830
Mfr. Part No.DSPIC33FJ128MC706-I/PT
BrandMicrochip
HK$62.17
Each
units
40MHz - - 16bit 16 kB Modified Harvard 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 177-3783
Mfr. Part No.DSPIC33EP256MC204-I/PT
BrandMicrochip
HK$31.625
Each (In a Pack of 2)
units
70MHz DSPIC33EP256MC204 70MIPS 16bit 32 kB Harvard 256 kB Flash ALU Surface Mount TQFP 44 - 2
RS Stock No. 622-9982
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
HK$56.07
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. 666-8286
Mfr. Part No.dsPIC30F3013-30I/SP
BrandMicrochip
HK$42.23
Each
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 24 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 2
RS Stock No. 177-3511
Mfr. Part No.DSPIC33EP128MC206-I/PT
BrandMicrochip
HK$24.57
Each (In a Tray of 160)
units
70MHz DSPIC33EP128MC206 70MIPS 16bit 16 kB Harvard 128 kB Flash ALU Surface Mount TQFP 64 - 2
RS Stock No. 134-5582
Mfr. Part No.dsPIC33EP128GS702-I/MM
BrandMicrochip
HK$41.328
Each (In a Tube of 61)
units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount QFN-S 28 3 to 3.6 V 2
RS Stock No. 538-5047
Mfr. Part No.ADSP-BF532SBSTZ400
HK$181.22
Each
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. 178-5357
Mfr. Part No.DSPIC33FJ64MC802-I/SP
BrandMicrochip
HK$42.168
Each (In a Bag of 500)
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Through Hole SPDIP 28 3 to 3.6 V 2
RS Stock No. 880-6708
Mfr. Part No.dsPIC33EV32GM102-I/SP
BrandMicrochip
HK$29.56
Each (In a Pack of 2)
units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Through Hole SPDIP 28 4.5 to 5.5 V 2
RS Stock No. 619-5659
Mfr. Part No.TMS320F2808PZA
HK$201.71
Each
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. 818-4765
Mfr. Part No.TMS320C6713BGDP300
HK$373.27
Each
units
300MHz - 2400MIPS 32bit 64 kB DSP 264 kB EPROM Floating Point Surface Mount BGA 272 3.3 V -
RS Stock No. 889-5178
Mfr. Part No.dsPIC30F3013-30I/SO
BrandMicrochip
HK$37.608
Each (In a Tube of 27)
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 24 kB Flash - Surface Mount SOIC 28 2.5 to 5.5 V 2
New
RS Stock No. 216-8527
Mfr. Part No.ADSP-BF537BBCZ-5AV
HK$469.859
Each (In a Tray of 10)
units
600MHz Blackfin - 16bit 132 kB - 132 kB SRAM - - CSP-BGA 182 - -
RS Stock No. 869-6646
Mfr. Part No.DSPIC33FJ32GP202-I/SP
BrandMicrochip
HK$36.75
Each (In a Tube of 15)
units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount SOIC 28 3 to 3.6 V 1
RS Stock No. 134-5618
Mfr. Part No.dsPIC33EP128GS702-I/SO
BrandMicrochip
HK$45.47
Each
units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount SOIC 28 3 to 3.6 V 2
RS Stock No. 134-5626
Mfr. Part No.dsPIC33EP128GS804-I/PT
BrandMicrochip
HK$49.06
Each
units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 44 3 to 3.6 V 2