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
HK$178.936
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
HK$206.28
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 178-4836
製造零件編號DSPIC30F4011-20I/P
BrandMicrochip
HK$46.902
毎管:10 個
單位
20MIPS 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 709-3933
製造零件編號TMS320F2806PZA
HK$137.01
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 622-9932
製造零件編號DSPIC30F4011-20I/P
BrandMicrochip
HK$46.44
單位
20MIPS 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 889-5187
製造零件編號dsPIC30F4011-30I/PT
BrandMicrochip
HK$39.624
Each (In a Tray of 160)
單位
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庫存編號 825-1032
製造零件編號DSPIC33EP32MC202-I/SS
BrandMicrochip
HK$16.60
/個 (每包:5個)
單位
140MHz - - 16bit 4 kB DSP 32 kB Flash - Surface Mount SSOP 28 3 → 3.6 V 2
RS庫存編號 666-8292
製造零件編號dsPIC30F4011-30I/PT
BrandMicrochip
HK$48.19
單位
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庫存編號 759-0216
製造零件編號ADAU1442YSVZ-3A
HK$157.81
單位
172MHz SHARC 3584IPS 28 bit, 56 bit 4 (Parameter) kB, 8 (Data RAM) kB - 40 kB EEPROM MAC Surface Mount TQFP 100 1.8 → 3.3 V -
RS庫存編號 823-3431
製造零件編號DSPIC33FJ64GS610-I/PT
BrandMicrochip
HK$56.76
單位
40MHz - - 16bit 9 kB RISC 64 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS庫存編號 159-8137
製造零件編號ADAU1442YSVZ-3A
HK$131.501
Each (In a Tray of 90)
單位
172MHz SHARC 3584IPS 28 bit, 56 bit 4 (Parameter) kB, 8 (Data RAM) kB - 40 kB EEPROM MAC Surface Mount TQFP 100 1.8 → 3.3 V -
RS庫存編號 823-3400
製造零件編號DSPIC33EP256MC502-I/SO
BrandMicrochip
HK$29.02
/個 (每包:2個)
單位
60MHz - - 16bit 32 kB RISC 256 kB Flash - Surface Mount SOIC 28 3 → 3.6 V 2
RS庫存編號 162-7546
製造零件編號TMS320F2806PZA
HK$119.88
Each (In a Tray of 90)
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 869-6621
製造零件編號DSPIC33FJ32MC202-I/SP
BrandMicrochip
HK$31.414
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 889-5566
製造零件編號DSPIC33FJ256GP710-I/PF
BrandMicrochip
HK$58.82
Each (In a Tray of 90)
單位
40MIPS - - 16bit 30 kB RISC 256 kB Flash - Surface Mount TQFP 100 3 → 3.6 V 2
RS庫存編號 177-1805
製造零件編號dsPIC33EP16GS502-I/SO
BrandMicrochip
HK$25.23
/個 (每包:5個)
單位
60MHz DSPIC 70MIPS 16bit 2 kB C 16 kB Flash ALU Surface Mount SOIC 28 3.3 V 2
RS庫存編號 877-9177
製造零件編號ADSP-BF512KBCZ-4
HK$120.36
單位
400MHz Blackfin 400MIPS 16bit 32 kB RISC 116 kB OTP ALU Surface Mount CSP BGA 168 1.8 V 2
RS庫存編號 861-0541
製造零件編號dsPIC33EV256GM102-I/SO
BrandMicrochip
HK$31.28
單位
70MIPS - 70MIPS 16bit 16 kB Code Efficient 256 kB Flash - Surface Mount SOIC 28 4.5 → 5.5 V 2
RS庫存編號 869-6595
製造零件編號DSPIC33FJ12MC202-I/SO
BrandMicrochip
HK$24.984
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 819-7231
製造零件編號ADSP-21065LCSZ-240
HK$606.95
單位
60MHz SHARC 60MIPS 32bit 544 kB Harvard - ROMLess Floating Point Surface Mount MQFP 208 3.13 → 3.6 V -