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. 799-0152
Mfr. Part No.DSPIC33EP512MC506-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
RS Stock No. 178-5214
Mfr. Part No.DSPIC33EP512MC506-I/PT
BrandMicrochip
£2.93
Each (In a Tray of 160)
Units
60MHz - - 16bit 48 kB Harvard 512 kB Flash - Surface Mount TQFP 64 3 to 3.6 V 2
RS Stock No. 823-7755
Mfr. Part No.DSPIC30F4011-20E/PT
BrandMicrochip
£3.93
Each
Units
20MHz - - 16bit 2.048 kB RISC 48 kB Flash - Surface Mount TQFP 44 3 to 5.5 V 2
RS Stock No. 399-729
Mfr. Part No.DSPIC33FJ12MC201-I/P
BrandMicrochip
£2.56
Each (In a Pack of 5)
Units
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 to 3.6 V 1
RS Stock No. 739-3677
Mfr. Part No.DSPIC33FJ256GP710A-I/PF
BrandMicrochip
£6.26
Each
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. 819-7231
Mfr. Part No.ADSP-21065LCSZ-240
£56.93
Each
Units
60MHz SHARC 60MIPS 32bit 544 kB Harvard - ROMLess Floating Point Surface Mount MQFP 208 3.13 to 3.6 V 0
RS Stock No. 823-1101
Mfr. Part No.DSPIC30F6014A-20E/PT
BrandMicrochip
£8.83
Each
Units
40MHz - - 16bit 8.192 kB RISC 144 kB Flash - Surface Mount TQFP 80 3 to 5.5 V 2
RS Stock No. 880-6711
Mfr. Part No.dsPIC33EV32GM106-I/PT
BrandMicrochip
£1.85
Each (In a Pack of 2)
Units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 64 4.5 to 5.5 V 2
RS Stock No. 869-6640
Mfr. Part No.DSPIC33FJ128GP708-I/PT
BrandMicrochip
£4.82
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. 889-5336
Mfr. Part No.dsPIC33EP256MU810-I/PF
BrandMicrochip
£5.62
Each (In a Tray of 90)
Units
60MHz - - 16bit 28 kB RISC 280 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 4
RS Stock No. 697-7833
Mfr. Part No.ADSP-BF537BBCZ-5B
£26.49
Each
Units
500MHz Blackfin 500MIPS 16bit 32 kB Modified Harvard - ROM, SRAM Fixed Point Surface Mount CSP BGA 208 1.2 V, 2.5 V, 3.3 V -
RS Stock No. 160-0707
Mfr. Part No.ADSP-21479KBCZ-2A
£12.577
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. 823-3403
Mfr. Part No.dsPIC33EP256MU810-I/PF
BrandMicrochip
£6.44
Each
Units
60MHz - - 16bit 28 kB RISC 280 kB Flash - Surface Mount TQFP 100 3 to 3.6 V 4
RS Stock No. 178-4841
Mfr. Part No.DSPIC33FJ128GP802-E/SP
BrandMicrochip
£3.102
Each (In a Tube of 15)
Units
40MHz - - 16bit 16 kB RISC 128 kB Flash - Through Hole SPDIP 28 3.3 V 2
RS Stock No. 889-5187
Mfr. Part No.dsPIC30F4011-30I/PT
BrandMicrochip
£4.12
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. 399-773
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
£3.05
Each
Units
40MIPS - - 16bit 2 kB RISC 32 kB Flash - Surface Mount TQFP 44 3 to 3.6 V 1
RS Stock No. 178-5220
Mfr. Part No.DSPIC33EV32GM106-I/PT
BrandMicrochip
£1.795
Each (In a Tray of 160)
Units
25MHz - 70MIPS 16bit 4 kB C Compiler, DSP, MCU, Modified Harvard 32 kB Flash ALU, MAC Surface Mount TQFP 64 4.5 to 5.5 V 2
RS Stock No. 869-6101
Mfr. Part No.DSPIC33EV256GM002-I/SP
BrandMicrochip
£2.92
Each
Units
70MHz - 70MIPS 16bit 16 kB C 256 kB Flash - Through Hole PDIP 28 4.5 to 5.5 V 2
RS Stock No. 399-791
Mfr. Part No.DSPIC33FJ128GP708-I/PT
BrandMicrochip
£5.51
Each
Units
40MIPS - - 16bit 16 kB RISC 128 kB Flash - Surface Mount TQFP 80 3 to 3.6 V 2
RS Stock No. 869-6637
Mfr. Part No.DSPIC33FJ32MC204-I/PT
BrandMicrochip
£2.40
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