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. 889-5437
Mfr. Part No.DSPIC33FJ256GP710A-I/PF
BrandMicrochip
HK$66.701
Each (In a Tray of 90)
units
40MHz - 40MIPS 16bit 30 kB Harvard 256 kB Flash Fixed Point, Floating Point Surface Mount TQFP 100 3.3 V 2
RS Stock No. 666-9725
Mfr. Part No.dsPIC33FJ64MC706A-I/PT
BrandMicrochip
HK$54.72
Each
units
40MIPS dsPIC33F 40MIPS 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 666-9649
Mfr. Part No.dsPIC33FJ128GP706A-I/PT
BrandMicrochip
HK$57.06
Each
units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 666-8362
Mfr. Part No.dsPIC33FJ128MC802-E/SP
BrandMicrochip
HK$59.13
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 666-8334
Mfr. Part No.dsPIC33FJ128GP802-I/SP
BrandMicrochip
HK$52.56
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 178-4986
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
HK$27.373
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. 399-795
Mfr. Part No.DSPIC33FJ32GP202-I/SP
BrandMicrochip
HK$36.75
Each
units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Through Hole SPDIP 28 3 to 3.6 V 1
RS Stock No. 835-3838
Mfr. Part No.ADSP-BF707BBCZ-4
HK$186.89
Each
units
400MHz Blackfin - 16/32bit 1.024 Mbit Modified Harvard 512 kB ROM ALU Surface Mount CSP BGA 184 1.8 V, 3.3 V 2
RS Stock No. 876-6749
Mfr. Part No.DSPIC33FJ256GP506-I/PT
BrandMicrochip
HK$49.329
Each (In a Tray of 160)
units
40MHz - - 16bit 16 kB Modified Harvard 256 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 178-4862
Mfr. Part No.DSPIC33FJ16GS502-I/SO
BrandMicrochip
HK$38.816
Each (In a Tube of 27)
units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SOIC 28 3 to 3.6 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. 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. 802-3997
Mfr. Part No.ADSP-BF592KCPZ-2
HK$51.66
Each (In a Pack of 2)
units
200MHz Blackfin - 32bit 32 kB Modified Harvard 64 kB ROM MAC Surface Mount LFCSP 64 1.8 V, 2.5 V, 3.3 V 1
RS Stock No. 823-7792
Mfr. Part No.DSPIC33EP256MC502-I/SP
BrandMicrochip
HK$35.135
Each (In a Pack of 2)
units
70MHz - - 16bit 32 kB Code Efficient 256 kB Flash - Surface Mount SPDIP 28 3 to 3.6 V 2
RS Stock No. 134-5583
Mfr. Part No.dsPIC33EP128GS702-I/SO
BrandMicrochip
HK$41.685
Each (In a Tube of 27)
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. 177-1585
Mfr. Part No.DSPIC33EP256MC502-I/SS
BrandMicrochip
HK$28.665
Each (In a Tube of 47)
units
60MHz DSPIC 70MIPS 16bit 32 kB C 256 kB Flash ALU Surface Mount SSOP 28 3.3 V 2
RS Stock No. 162-8388
Mfr. Part No.TMS320C6713BGDP300
HK$463.796
Each (In a Tray of 40)
units
300MHz - 2400MIPS 32bit 64 kB DSP 264 kB EPROM Floating Point Surface Mount BGA 272 3.3 V -
RS Stock No. 183-2206
Mfr. Part No.ADAU1445YSVZ-3A
HK$165.50
Each
units
172MHz ADAU1445 3584 28 bit, 56bit 8 kB - - EEPROM MAC Surface Mount TQFP_EP 100 1.8 V, 3.3 V -
RS Stock No. 178-4984
Mfr. Part No.DSPIC33FJ64MC802-I/MM
BrandMicrochip
HK$42.682
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. 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