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. 709-3908
Mfr. Part No.TMS320F2812PGFA
HK$307.86
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. 923-6845
Mfr. Part No.TMS320F2812PGFA
HK$271.318
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. 823-3400
Mfr. Part No.DSPIC33EP256MC502-I/SO
BrandMicrochip
HK$38.73
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. 889-5187
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
HK$64.416
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. 666-8292
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
HK$64.42
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. 912-6735
Mfr. Part No.DSPIC33FJ128GP202-I/MM
BrandMicrochip
HK$47.46
Each (In a Tube of 61)
units
40MHz - - 16bit 8 kB RISC 128 kB Flash - Surface Mount QFN S 28 3.3 V 2
RS Stock No. 666-9692
Mfr. Part No.dsPIC33FJ256MC710A-I/PF
BrandMicrochip
HK$87.85
Each
units
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS Stock No. 177-3518
Mfr. Part No.DSPIC33FJ256MC710-I/PF
BrandMicrochip
HK$95.828
Each (In a Tray of 90)
units
80MHz DSPIC33FJ256MC710 40MIPS 16bit 30 kB Harvard 256 kB Flash ALU Surface Mount TQFP 100 - 2
RS Stock No. 622-9954
Mfr. Part No.DSPIC30F4011-30I/P
BrandMicrochip
HK$68.76
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. 399-773
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
HK$40.79
Each
units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
RS Stock No. 177-1800
Mfr. Part No.DSPIC33FJ128GP802-E/MM
BrandMicrochip
HK$64.415
Each (In a Pack of 2)
units
40MHz DSPIC 40MIPS 16bit 16 kB Modified Harvard 128 kB Flash ALU Surface Mount QFN 28 3.6 V 2
RS Stock No. 399-814
Mfr. Part No.DSPIC33FJ12MC202-I/SP
BrandMicrochip
HK$37.87
Each
units
40MIPS dsPIC33F 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole SPDIP 28 3 → 3.6 V 1
RS Stock No. 177-3801
Mfr. Part No.DSPIC33EP512MU814-E/PH
BrandMicrochip
HK$108.75
Each
units
60MHz DSPIC33EP512MU814 60MIPS 16bit 52 kB Harvard 536 kB Flash ALU Surface Mount TQFP 144 - 4
RS Stock No. 823-3425
Mfr. Part No.DSPIC33FJ128MC804-E/PT
BrandMicrochip
HK$67.85
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 2
RS Stock No. 769-5655
Mfr. Part No.XRT6166CD-F
BrandMaxLinear
HK$201.14
Each
units
2.048MHz - - 8bit - - - - - Surface Mount SOIC 28 - -
RS Stock No. 869-6595
Mfr. Part No.DSPIC33FJ12MC202-I/SO
BrandMicrochip
HK$31.506
Each (In a Tube of 27)
units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 to 3.6 V 1
RS Stock No. 889-6076
Mfr. Part No.dsPIC33FJ256GP506A-I/PT
BrandMicrochip
HK$57.147
Each (In a Tray of 160)
units
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 177-1585
Mfr. Part No.DSPIC33EP256MC502-I/SS
BrandMicrochip
HK$32.214
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. 809-9102
Mfr. Part No.ADSP-21369KSWZ-4A
HK$481.81
Each
units
800MHz SHARC 350MIPS 32bit 2 Mbit Harvard 6 Mbit ROM Floating Point Surface Mount LQFP 208 3.3 V 2