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. 912-6883
Mfr. Part No.DSPIC33FJ32GP304-I/PT
BrandMicrochip
TWD114.40
Each (In a Tray of 160)
units
40MHz - - 16bit 4 kB RISC 32 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 869-6609
Mfr. Part No.DSPIC33FJ12MC201-I/P
BrandMicrochip
TWD111.50
Each (In a Tube of 22)
units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 to 3.6 V 1
RS Stock No. 869-6101
Mfr. Part No.DSPIC33EV256GM002-I/SP
BrandMicrochip
TWD115.00
Each
units
70MHz - 70MIPS 16bit 16 kB C 256 kB Flash - Through Hole PDIP 28 4.5 to 5.5 V 2
RS Stock No. 739-3674
Mfr. Part No.DSPIC33FJ256GP510A-I/PF
BrandMicrochip
TWD230.00
Each
units
40MHz - 40MIPS 16bit 16 kB Harvard 256 kB Flash Fixed Point, Floating Point Surface Mount TQFP 100 3.3 V 2
RS Stock No. 889-5714
Mfr. Part No.dsPIC30F5013-30I/PT
BrandMicrochip
TWD236.50
Each (In a Tray of 119)
units
30MIPS dsPIC30F 30MIPS 16bit 4.096 kB RISC 1.024 kB, 66 kB Flash - Surface Mount TQFP 80 2.5 to 5.5 V 2
RS Stock No. 162-7549
Mfr. Part No.TMS320VC5502PGF300
TWD477.80
Each (In a Tray of 40)
units
300MHz - 600MIPS 32bit 64 kB - 32 kB DARAM, ROM Fixed Point Surface Mount LQFP 176 1.26 V, 3.3 V -
RS Stock No. 177-1580
Mfr. Part No.DSPIC33EP128GP502-I/SP
BrandMicrochip
TWD102.50
Each (In a Tube of 15)
units
60MHz DSPIC 70MIPS 16bit 16 kB C 128 kB Flash ALU Surface Mount SPDIP 28 3.3 V 2
RS Stock No. 177-1577
Mfr. Part No.DSPIC30F3013-20I/SO
BrandMicrochip
TWD123.40
Each (In a Tube of 27)
units
40MHz DSPIC 20MIPS 16bit 2.048 kB - 24 kB Flash ALU Surface Mount SOIC 28 5.5 V 2
RS Stock No. 823-7843
Mfr. Part No.DSPIC33FJ128GP802-E/SO
BrandMicrochip
TWD188.00
Each
units
40MHz - - 16bit 16.384 kB Harvard 128 kB Flash - Surface Mount SOIC 28 3 to 3.6 V 2
RS Stock No. 666-8466
Mfr. Part No.dsPIC33FJ64GP802-I/SO
BrandMicrochip
TWD156.00
Each
units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 666-8485
Mfr. Part No.dsPIC33FJ64MC802-I/MM
BrandMicrochip
TWD164.00
Each
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount QFN-S 28 3 → 3.6 V 2
RS Stock No. 177-3764
Mfr. Part No.DSPIC33EP256GP504-I/PT
BrandMicrochip
TWD121.00
Each (In a Pack of 2)
units
70MHz DSPIC33EP256GP504 70MIPS 16bit 32 kB Harvard 256 kB Flash ALU Surface Mount TQFP 44 - 2
RS Stock No. 666-8431
Mfr. Part No.dsPIC33FJ32MC302-I/SO
BrandMicrochip
TWD131.00
Each
units
40MHz - - 16bit 4 kB RISC 32 kB Flash - Surface Mount SOIC W 28 3.3 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
RS Stock No. 759-1887
Mfr. Part No.ADSP-BF533SBSTZ400
TWD806.00
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 → 1.45 V, 1.75 → 3.6 V 1
RS Stock No. 178-4893
Mfr. Part No.DSPIC33EV256GM106-I/MR
BrandMicrochip
TWD136.50
Each (In a Tube of 40)
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount QFN 64 4.5 to 5.5 V 2
RS Stock No. 177-1584
Mfr. Part No.DSPIC33EP256GP504-I/ML
BrandMicrochip
TWD114.80
Each (In a Tube of 45)
units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount QFN 44 3.3 V 2
RS Stock No. 178-4985
Mfr. Part No.DSPIC33EV256GM102-I/MM
BrandMicrochip
TWD109.80
Each (In a Tube of 61)
units
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount QFN 28 4.5 to 5.5 V 2
RS Stock No. 666-8491
Mfr. Part No.dsPIC33FJ64MC804-I/PT
BrandMicrochip
TWD178.00
Each
units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 666-8309
Mfr. Part No.dsPIC30F4013-30I/PT
BrandMicrochip
TWD192.00
Each
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Surface Mount TQFP 44 2.5 → 5.5 V 2