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. 177-3764
Mfr. Part No.DSPIC33EP256GP504-I/PT
BrandMicrochip
£2.105
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. 809-9070
Mfr. Part No.ADSP-BF532SBBCZ400
£4.98
Each
Units
32.768kHz Blackfin 400MIPS 16bit 80 kB Harvard - ROMLess Fixed Point Surface Mount CSP BGA 160 1.2 V, 3.3 V 1
RS Stock No. 666-8491
Mfr. Part No.dsPIC33FJ64MC804-I/PT
BrandMicrochip
£4.36
Each
Units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 178-4148
Mfr. Part No.DSPIC33FJ32GP204-I/PT
BrandMicrochip
£2.31
Each (In a Tray of 160)
Units
40MHz - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3.3 V 1
RS Stock No. 666-8453
Mfr. Part No.dsPIC33FJ64GP204-I/PT
BrandMicrochip
£3.60
Each
Units
40MHz - - 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 44 3.3 V 2
RS Stock No. 177-1596
Mfr. Part No.DSPIC33FJ16GS502-I/MM
BrandMicrochip
£3.03
Each (In a Tube of 61)
Units
40MHz DSPIC 50MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount QFN 28 3.3 V 2
New
RS Stock No. 208-8621
Mfr. Part No.TMS320F2811PBKA
£15.226
Each (In a Tray of 90)
Units
150MHz DSPs 150 32bit 36 KB - 256 KB - - - LQFP 128 - -
RS Stock No. 177-1669
Mfr. Part No.DSPIC30F4013-20I/ML
BrandMicrochip
£1.655
Each (In a Pack of 2)
Units
40MHz DSPIC 20MIPS 16bit 2.048 kB - 48 kB Flash ALU Surface Mount QFN 44 5.5 V 2
RS Stock No. 134-5614
Mfr. Part No.dsPIC33EP128GS702-I/MM
BrandMicrochip
£1.19
Each
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. 134-5586
Mfr. Part No.dsPIC33EP128GS804-I/PT
BrandMicrochip
£3.29
Each (In a Tray of 160)
Units
60MHz dsPIC33EP 70MIPS 16bit 8 kB DSP 128 kB Flash MAC Surface Mount TQFP 44 3 to 3.6 V 2
New
RS Stock No. 216-8525
Mfr. Part No.ADSP-21161NKCAZ100
£56.119
Each (In a Tray of 10)
Units
100MHz SHARC - 32bit 125 kB - 125 kB SRAM - - CSP_BGA 225 - -
New
RS Stock No. 215-5902
Mfr. Part No.DSPIC33CK64MC102-I/M6
BrandMicrochip
£1.248
Each (In a Pack of 5)
Units
100MHz dsPIC33CK64MC10X - 16bit 8 kB - 64 kB Flash - - SSOP/UQFN 28 - -
RS Stock No. 538-5047
Mfr. Part No.ADSP-BF532SBSTZ400
£15.68
Each
Units
400MHz Blackfin 400MIPS 16bit - Modified Harvard - ROM, SRAM Fixed Point Surface Mount LQFP 176 1.2 V, 1.8 V, 2.5 V, 3.3 V -
RS Stock No. 177-1591
Mfr. Part No.DSPIC33EP512MC806-I/MR
BrandMicrochip
£5.534
Each (In a Tube of 40)
Units
60MHz DSPIC 70MIPS 16bit 52 kB C 536 kB Flash ALU Surface Mount QFN 64 3.6 V 4
RS Stock No. 178-4861
Mfr. Part No.DSPIC33FJ64MC802-I/SO
BrandMicrochip
£3.37
Each (In a Tube of 27)
Units
40MHz - - 16bit 16 kB RISC 64 kB Flash - Surface Mount SOIC W 28 3.3 V 2
RS Stock No. 823-7819
Mfr. Part No.DSPIC33EP32MC204-I/PT
BrandMicrochip
£1.47
Each (In a Pack of 5)
Units
70MHz - - 16bit 4 kB Code Efficient 32 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 2
RS Stock No. 809-9102
Mfr. Part No.ADSP-21369KSWZ-4A
£39.16
Each
Units
800MHz SHARC 350MIPS 32bit 2 Mbit Harvard 6 Mbit ROM Floating Point Surface Mount LQFP 208 3.3 V 2
RS Stock No. 823-3431
Mfr. Part No.DSPIC33FJ64GS610-I/PT
BrandMicrochip
£3.67
Each
Units
40MHz - - 16bit 9 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 2
RS Stock No. 177-1595
Mfr. Part No.DSPIC33FJ16GS502-E/MM
BrandMicrochip
£3.486
Each (In a Tube of 61)
Units
40MHz DSPIC 40MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount QFN 28 3.3 V 2
RS Stock No. 799-0149
Mfr. Part No.DSPIC33EP512GP506-I/PT
BrandMicrochip
£3.70
Each
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2