Digital Signal Processors

Digital signal processors (DSPs) take signals like voice, audio or video and then manipulate them. They capture the signals as digital information, process it and then feed the information back for use. They do this either digitally or in an analogue format by going through an Audio Digital-to-Analogue Converter (DAC). All of this happens at very high speeds.


What are digital signal processors used for?

Digital signal processors 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. 


Choosing the right digital signal processor

When you're looking for the right DSP 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.

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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庫存編號 923-6845
製造零件編號TMS320F2812PGFA
TWD680.60
Each (In a Tray of 40)
單位
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 176 1.9 V, 3.3 V -
RS庫存編號 709-3908
製造零件編號TMS320F2812PGFA
TWD820.00
單位
150MHz - 150MIPS 32bit 36 kB Harvard 256 kB Flash EEPROM Fixed Point Surface Mount LQFP 176 1.9 V, 3.3 V -
RS庫存編號 178-5225
製造零件編號DSPIC33EP64GS506-I/PT
BrandMicrochip
TWD137.30
Each (In a Tray of 160)
單位
1MHz - 70MIPS 16bit 8 kB Code Efficient, MCU, Modified Harvard 64 kB EEPROM, SRAM MAC Surface Mount TQFP 64 3 → 3.6 V 2
RS庫存編號 893-8329
製造零件編號DSPIC33EP64GS506-I/PT
BrandMicrochip
TWD165.00
單位
1MHz - 70MIPS 16bit 8 kB Code Efficient, MCU, Modified Harvard 64 kB EEPROM, SRAM MAC Surface Mount TQFP 64 3 → 3.6 V 2
RS庫存編號 877-9155
製造零件編號ADSP-21489KSWZ-5B
TWD791.00
單位
450MHz SHARC 450MIPS 32/64bit 5 MB Super Harvard 5 MB RAM MAC Surface Mount LQFP 176 1.1 V 1
RS庫存編號 160-2898
製造零件編號ADSP-21489KSWZ-5B
TWD734.90
Each (In a Tray of 40)
單位
450MHz SHARC 450MIPS 32/64bit 5 MB Super Harvard 5 MB RAM MAC Surface Mount LQFP 176 1.1 V 1
RS庫存編號 869-6211
製造零件編號SSC7150-ML-AB0
BrandMicrochip
TWD122.50
/個 (每包:2個)
單位
400kHz - - 32bit - - - - - Surface Mount QFN 28 3.3 V -
RS庫存編號 619-5643
製造零件編號TMS320LF2406APZA
TWD422.00
單位
40MHz - 40MIPS 16bit 5 kB Harvard 64 kB Flash EEPROM Fixed Point Surface Mount LQFP 100 3.3 V, 5 V -
RS庫存編號 666-9674
製造零件編號dsPIC33FJ16GS504-I/PT
BrandMicrochip
TWD164.00
單位
40MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
RS庫存編號 178-4152
製造零件編號DSPIC33FJ16GS504-I/PT
BrandMicrochip
TWD135.90
Each (In a Tray of 160)
單位
40MIPS - - 16bit 2 kB RISC 16 kB Flash - Surface Mount TQFP 44 3 → 3.6 V 1
RS庫存編號 869-6595
製造零件編號DSPIC33FJ12MC202-I/SO
BrandMicrochip
TWD94.00
毎管:27 個
單位
40MHz - 40MIPS 16bit 1 kB RISC 12 kB Flash - Through Hole PDIP 20 3 → 3.6 V 1
RS庫存編號 622-9897
製造零件編號DSPIC30F2010-30I/SP
BrandMicrochip
TWD138.00
單位
30MIPS dsPIC30F 30MIPS 16bit 512 B RISC 1.024 kB, 12 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS庫存編號 162-4884
製造零件編號TMS320LF2406APZA
TWD467.20
Each (In a Tray of 90)
單位
40MHz - 40MIPS 16bit 5 kB Harvard 64 kB Flash EEPROM Fixed Point Surface Mount LQFP 100 3.3 V, 5 V -
RS庫存編號 178-4840
製造零件編號DSPIC30F2010-30I/SP
BrandMicrochip
TWD123.50
毎管:15 個
單位
30MIPS dsPIC30F 30MIPS 16bit 512 B RISC 1.024 kB, 12 kB Flash - Through Hole SPDIP 28 2.5 → 5.5 V 1
RS庫存編號 399-723
製造零件編號DSPIC33FJ12MC202-I/SO
BrandMicrochip
TWD112.20
/個 (每包:5個)
單位
40MIPS - - 16bit 1 kB RISC 12 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 1
RS庫存編號 102-5577
製造零件編號TMS320F2808PZA
TWD561.50
Each (In a Tray of 90)
單位
100MHz - 100MIPS 32bit 36 kB Harvard 128 kB Flash Fixed Point Surface Mount LQFP 100 1.8 V, 3.3 V -
RS庫存編號 709-3933
製造零件編號TMS320F2806PZA
TWD467.00
單位
100MHz - 100MIPS 32bit 20 kB Harvard 64 kB Flash Fixed Point Surface Mount LQFP 100 1.8 V, 3.3 V -
RS庫存編號 622-9954
製造零件編號DSPIC30F4011-30I/P
BrandMicrochip
TWD199.00
單位
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庫存編號 869-6621
製造零件編號DSPIC33FJ32MC202-I/SP
BrandMicrochip
TWD126.10
毎管:15 個
單位
40MIPS dsPIC33F 40MIPS 16bit 8 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS庫存編號 178-4875
製造零件編號DSPIC33EP32GS202-I/SO
BrandMicrochip
TWD105.10
毎管:27 個
單位
120MHz - - 16bit 2 kB Harvard 32 kB Flash Fixed Point, Floating Point, MAC Surface Mount SOIC 28 3.3 V 1