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. 178-5215
Mfr. Part No.DSPIC33EV256GM106-I/PT
BrandMicrochip
TWD122.40
Each (In a Tray of 160)
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount TQFP 64 4.5 to 5.5 V 2
RS Stock No. 666-8368
Mfr. Part No.dsPIC33FJ128MC802-I/SO
BrandMicrochip
TWD187.00
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 889-5187
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
TWD191.70
Each (In a Tray of 160)
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount TQFP 44 2.5 to 5.5 V 2
RS Stock No. 869-6621
Mfr. Part No.DSPIC33FJ32MC202-I/SP
BrandMicrochip
TWD142.50
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. 178-4859
Mfr. Part No.DSPIC33FJ128MC802-I/SO
BrandMicrochip
TWD171.60
Each (In a Tube of 27)
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 912-6968
Mfr. Part No.DSPIC30F3012-30I/SO
BrandMicrochip
TWD127.90
Each (In a Tube of 42)
units
30MIPS - - 16bit 2.048 kB RISC 1.024 kB, 24 kB Flash - Surface Mount SOIC 18 2.5 to 5.5 V 1
RS Stock No. 802-3963
Mfr. Part No.ADSP-21479KBCZ-2A
TWD696.00
Each
units
266MHz SHARC - 32bit 5 Mbit Super Harvard 4 Mbit ROM Floating Point Surface Mount CSP BGA 196 3.3 V 1
RS Stock No. 162-8382
Mfr. Part No.TMS320C5505AZCH12
TWD241.20
Each (In a Tray of 168)
units
150MHz - - 16bit 64 kB DSP 320 kB EPROM, Flash, ROM Fixed Point Surface Mount NFBGA 196 1.8 V, 2.5 V, 2.8 V, 3.3 V 1
RS Stock No. 666-8286
Mfr. Part No.dsPIC30F3013-30I/SP
BrandMicrochip
TWD159.00
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. 170-4520
Mfr. Part No.XRT6166CD-F
BrandEXAR
TWD578.60
Each (In a Tube of 27)
units
2.048MHz - - 8bit - - - - - Surface Mount SOIC 28 - -
RS Stock No. 823-3425
Mfr. Part No.DSPIC33FJ128MC804-E/PT
BrandMicrochip
TWD228.00
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 2
RS Stock No. 178-4154
Mfr. Part No.DSPIC33FJ64GP706A-I/PT
BrandMicrochip
TWD168.90
Each (In a Tray of 160)
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 889-5336
Mfr. Part No.dsPIC33EP256MU810-I/PF
BrandMicrochip
TWD262.50
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. 879-3264
Mfr. Part No.DSPIC33FJ64GS606-50I/PT
BrandMicrochip
TWD213.00
Each
units
50MHz - 50MIPS 16bit 9 kB Code Efficient 64 kB Flash Fixed Point, Floating Point Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 160-0707
Mfr. Part No.ADSP-21479KBCZ-2A
TWD548.40
Each (In a Tray of 189)
units
266MHz SHARC - 32bit 5 Mbit Super Harvard 4 Mbit ROM Floating Point Surface Mount CSP BGA 196 3.3 V 1
RS Stock No. 134-5588
Mfr. Part No.dsPIC33EP128GS806-I/PT
BrandMicrochip
TWD159.40
Each (In a Tray of 160)
units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 162-7547
Mfr. Part No.TMS320F2808PZS
TWD678.30
Each (In a Tube 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. 666-9649
Mfr. Part No.dsPIC33FJ128GP706A-I/PT
BrandMicrochip
TWD219.00
Each
units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 399-779
Mfr. Part No.DSPIC33FJ64GP206-I/PT
BrandMicrochip
TWD177.00
Each
units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 818-4711
Mfr. Part No.TMS320C5505AZCH12
TWD361.00
Each
units
150MHz - - 16bit 64 kB DSP 320 kB EPROM, Flash, ROM Fixed Point Surface Mount NFBGA 196 1.8 V, 2.5 V, 2.8 V, 3.3 V 1