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. 178-4851
Mfr. Part No.DSPIC33EV32GM102-I/SP
BrandMicrochip
SGD4.57
Each (In a Tube of 15)
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. 178-5357
Mfr. Part No.DSPIC33FJ64MC802-I/SP
BrandMicrochip
SGD6.41
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. 178-4984
Mfr. Part No.DSPIC33FJ64MC802-I/MM
BrandMicrochip
SGD6.965
Each (In a Tube of 61)
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount QFN-S 28 3 to 3.6 V 2
RS Stock No. 823-3413
Mfr. Part No.DSPIC33FJ06GS101-E/SO
BrandMicrochip
SGD4.52
Each (In a Pack of 2)
units
40MHz - - 16bit 256 kB RISC 6 kB Flash - Surface Mount SOIC 18 3 to 3.6 V 1
RS Stock No. 177-1857
Mfr. Part No.DSPIC30F2010-20I/SO
BrandMicrochip
SGD5.36
Each (In a Pack of 2)
units
40MHz DSPIC 20MIPS 16bit 512 kB - 12 kB Flash ALU Surface Mount SOIC 28 5.5 V 1
RS Stock No. 178-4986
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
SGD4.19
Each (In a Tube of 61)
units
120MHz - - 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point, MAC Surface Mount QFN S 28 3.3 V 1
RS Stock No. 818-4765
Mfr. Part No.TMS320C6713BGDP300
SGD76.97
Each
units
300MHz - 2400MIPS 32bit 64 kB DSP 264 kB EPROM Floating Point Surface Mount BGA 272 3.3 V -
RS Stock No. 861-0551
Mfr. Part No.dsPIC33EV256GM106-I/PT
BrandMicrochip
SGD6.38
Each
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. 759-0465
Mfr. Part No.ADSP-21261SKSTZ150
SGD22.64
Each
units
150MHz SHARC - 32 bit, 40bit 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. 666-8365
Mfr. Part No.dsPIC33FJ128MC802-I/MM
BrandMicrochip
SGD8.78
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount QFN S 28 3.3 V 2
RS Stock No. 178-4859
Mfr. Part No.DSPIC33FJ128MC802-I/SO
BrandMicrochip
SGD7.427
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. 912-5319
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
SGD4.265
Each (In a Pack of 2)
units
120MHz - - 16bit 2 kB Harvard 16 kB Flash Fixed Point, Floating Point, MAC Surface Mount QFN S 28 3.3 V 1
RS Stock No. 178-5212
Mfr. Part No.DSPIC33EP512GP504-I/PT
BrandMicrochip
SGD5.547
Each (In a Tray of 160)
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 2
RS Stock No. 122-9755
Mfr. Part No.dsPIC33EV256GM102-I/SS
BrandMicrochip
SGD5.765
Each (In a Pack of 2)
units
60MHz dsPIC33EV 70MIPS 16bit 16 kB Modified Harvard 256 kB Flash MAC Surface Mount SSOP 28 5 V 2
RS Stock No. 177-1593
Mfr. Part No.DSPIC33FJ128GP802-E/MM
BrandMicrochip
SGD9.266
Each (In a Tube of 61)
units
40MHz DSPIC 40MIPS 16bit 16 kB Modified Harvard 128 kB Flash ALU Surface Mount QFN 28 3.6 V 2
RS Stock No. 177-1591
Mfr. Part No.DSPIC33EP512MC806-I/MR
BrandMicrochip
SGD10.23
Each (In a Tube of 40)
units
60MHz DSPIC 70MIPS 16bit 52 kB C 536 kB Flash ALU Surface Mount QFN 64 3.6 V 4
RS Stock No. 178-4154
Mfr. Part No.DSPIC33FJ64GP706A-I/PT
BrandMicrochip
SGD7.304
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. 799-0105
Mfr. Part No.DSPIC33EP512GM306-I/PT
BrandMicrochip
SGD9.59
Each
units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 4
RS Stock No. 825-1023
Mfr. Part No.DSPIC33EP128GM604-I/PT
BrandMicrochip
SGD8.745
Each (In a Pack of 2)
units
140MHz - - 16bit 16 kB DSP 128 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 4
RS Stock No. 178-5215
Mfr. Part No.DSPIC33EV256GM106-I/PT
BrandMicrochip
SGD5.301
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