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. 160-0707
Mfr. Part No.ADSP-21479KBCZ-2A
SGD25.127
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. 102-5577
Mfr. Part No.TMS320F2808PZA
SGD30.755
Each (In a Tray 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. 869-6640
Mfr. Part No.DSPIC33FJ128GP708-I/PT
BrandMicrochip
SGD9.514
Each (In a Tray of 119)
units
40MIPS - - 16bit 1 kB RISC 12 kB Flash - Through Hole SPDIP 28 3 to 3.6 V 1
RS Stock No. 709-3901
Mfr. Part No.TMS320LF2407APGEA
SGD34.20
Each
units
40MHz - 40MIPS 16bit 5 kB Harvard 64 kB Flash EEPROM Fixed Point Surface Mount LQFP 144 3.3 V, 5 V -
RS Stock No. 823-3425
Mfr. Part No.DSPIC33FJ128MC804-E/PT
BrandMicrochip
SGD9.83
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 2
RS Stock No. 889-5941
Mfr. Part No.DSPIC30F4011-30I/P
BrandMicrochip
SGD9.15
Each (In a Tube of 10)
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole PDIP 40 2.5 to 5.5 V 2
RS Stock No. 622-9982
Mfr. Part No.DSPIC30F4012-30I/SP
BrandMicrochip
SGD9.70
Each
units
30MIPS dsPIC30F 30MIPS 16bit 2.048 kB RISC 1.024 kB, 48 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS Stock No. 709-3908
Mfr. Part No.TMS320F2812PGFA
SGD40.90
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. 399-773
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
SGD5.95
Each
units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
RS Stock No. 869-6637
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
SGD5.145
Each (In a Tray of 160)
units
40MIPS - - 16bit 32 kB RISC 256 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 1
RS Stock No. 869-6621
Mfr. Part No.DSPIC33FJ32MC202-I/SP
BrandMicrochip
SGD6.531
Each (In a Tube of 15)
units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2
RS Stock No. 823-1101
Mfr. Part No.DSPIC30F6014A-20E/PT
BrandMicrochip
SGD16.62
Each
units
40MHz - - 16bit 8.192 kB RISC 144 kB Flash - Surface Mount TQFP 80 3 to 5.5 V 2
RS Stock No. 178-4844
Mfr. Part No.DSPIC33FJ16GS502-I/SP
BrandMicrochip
SGD7.476
Each (In a Tube of 15)
units
50MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount SPDIP 28 3 to 3.6 V 1
New
RS Stock No. 215-5901
Mfr. Part No.DSPIC33CK64MC102-I/M6
BrandMicrochip
SGD2.167
Each (In a Tray of 91)
units
100MHz dsPIC33CK64MC10X - 16bit 8 kB - 64 kB Flash - - SSOP/UQFN 28 - -
RS Stock No. 666-9683
Mfr. Part No.dsPIC33FJ256GP506A-I/PT
BrandMicrochip
SGD10.46
Each
units
40MIPS - - 16bit 16 kB RISC 256 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 666-9655
Mfr. Part No.dsPIC33FJ128MC506A-I/PT
BrandMicrochip
SGD8.69
Each
units
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 128 kB Flash - Surface Mount TQFP 64 3 → 3.6 V 2
RS Stock No. 869-6599
Mfr. Part No.DSPIC33FJ12MC202-I/SP
BrandMicrochip
SGD5.243
Each (In a Tube of 15)
units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole SPDIP 28 3 to 3.6 V 1
New
RS Stock No. 215-5902
Mfr. Part No.DSPIC33CK64MC102-I/M6
BrandMicrochip
SGD2.422
Each (In a Pack of 5)
units
100MHz dsPIC33CK64MC10X - 16bit 8 kB - 64 kB Flash - - SSOP/UQFN 28 - -
RS Stock No. 666-8334
Mfr. Part No.dsPIC33FJ128GP802-I/SP
BrandMicrochip
SGD9.09
Each
units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 770-7723
Mfr. Part No.dsPIC33EP128GP504-I/PT
BrandMicrochip
SGD4.83
Each
units
70MHz - - 16bit 16 kB Modified Harvard 128 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 2