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. 923-6845
Mfr. Part No.TMS320F2812PGFA
HK$216.10
Each (In a Tray of 40)
units
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 176 1.9 V, 3.3 V -
RS Stock No. 709-3908
Mfr. Part No.TMS320F2812PGFA
HK$236.11
Each
units
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 176 1.9 V, 3.3 V -
RS Stock No. 666-8292
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
HK$59.60
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
RS Stock No. 825-1032
Mfr. Part No.DSPIC33EP32MC202-I/SS
BrandMicrochip
HK$17.224
Each (In a Pack of 5)
units
140MHz - - 16bit 4 kB DSP 32 kB Flash - Surface Mount SSOP 28 3 to 3.6 V 2
RS Stock No. 823-3400
Mfr. Part No.DSPIC33EP256MC502-I/SO
BrandMicrochip
HK$31.625
Each (In a Pack of 2)
units
60MHz - - 16bit 32 kB RISC 256 kB Flash - Surface Mount SOIC 28 3 to 3.6 V 2
RS Stock No. 823-3431
Mfr. Part No.DSPIC33FJ64GS610-I/PT
BrandMicrochip
HK$63.53
Each
units
40MHz - - 16bit 9 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2
RS Stock No. 889-5187
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
HK$52.604
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. 170-4520
Mfr. Part No.XRT6166CD-F
BrandEXAR
HK$153.279
Each (In a Tube of 27)
units
2.048MHz - - 8bit - - - - - Surface Mount SOIC 28 - -
RS Stock No. 162-8382
Mfr. Part No.TMS320C5505AZCH12
HK$63.901
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. 622-9954
Mfr. Part No.DSPIC30F4011-30I/P
BrandMicrochip
HK$60.02
Each
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole PDIP 40 2.5 → 5.5 V 2
RS Stock No. 160-0707
Mfr. Part No.ADSP-21479KBCZ-2A
HK$145.289
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. 162-7547
Mfr. Part No.TMS320F2808PZS
HK$179.697
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. 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. 912-5319
Mfr. Part No.DSPIC33EP16GS202-I/MM
BrandMicrochip
HK$33.98
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. 399-779
Mfr. Part No.DSPIC33FJ64GP206-I/PT
BrandMicrochip
HK$46.81
Each
units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 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. 178-4154
Mfr. Part No.DSPIC33FJ64GP706A-I/PT
BrandMicrochip
HK$44.741
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. 666-9670
Mfr. Part No.dsPIC33FJ16GS502-I/SP
BrandMicrochip
HK$43.22
Each
units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SPDIP 28 3 → 3.6 V 1
RS Stock No. 666-9709
Mfr. Part No.dsPIC33FJ64GP306A-I/PT
BrandMicrochip
HK$45.82
Each
units
40MIPS - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 869-6107
Mfr. Part No.DSPIC33EP128GP502-I/SO
BrandMicrochip
HK$27.225
Each (In a Pack of 2)
units
70MHz - 70MIPS 16bit 16 kB C 128 kB Flash - Surface Mount SOIC 28 3 to 3.6 V 2