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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8774 датащи(PDF) 3 Page - Wolfson Microelectronics plc |
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WM8774 датащи(HTML) 3 Page - Wolfson Microelectronics plc |
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3 / 42 page  Product Preview WM8774 PP Rev 1.0 June 2002 3 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 AIN1L Analogue Input Channel 1 left input multiplexor virtual ground 2 AIN1R Analogue Input Channel 1 right input multiplexor virtual ground 3 AIN2L Analogue Input Channel 2 left input multiplexor virtual ground 4 AIN2R Analogue Input Channel 2 right input multiplexor virtual ground 5 AIN3L Analogue Input Channel 3 left input multiplexor virtual ground 6 AIN3R Analogue Input Channel 3 right input multiplexor virtual ground 7 AIN4L Analogue Input Channel 4 left input multiplexor virtual ground 8 AIN4R Analogue Input Channel 4 right input multiplexor virtual ground 9 AIN5L Analogue Input Channel 5 left input multiplexor virtual ground 10 AIN5R Analogue Input Channel 5 right input multiplexor virtual ground 11 AIN6L Analogue Input Channel 6 left input multiplexor virtual ground 12 AIN6R Analogue Input Channel 6 right input multiplexor virtual ground 13 AIN7L Analogue Input Channel 7 left input multiplexor virtual ground 14 AIN7R Analogue Input Channel 7 right input multiplexor virtual ground 15 AIN8L Analogue Input Channel 8 left input multiplexor virtual ground 16 AIN8R Analogue Input Channel 8 right input multiplexor virtual ground 17 AINOPL Analogue Output Left channel multiplexor output 18 AINVGL Analogue Input Left channel multiplexor virtual ground 19 AINVGR Analogue Input Right channel multiplexor virtual ground 20 AINOPR Analogue Output Right channel multiplexor output 21 RECL Analogue Output Left channel input mux select output 22 RECR Analogue Output Right channel input mux select output 23 REFADC Analogue Output ADC reference buffer decoupling pin; 10uF external decoupling 24 VMIDADC Analogue Output ADC midrail divider decoupling pin; 10uF external decoupling 25 AGND1 Supply Analogue negative supply and substrate connection 26 AVDD1 Supply Analogue positive supply 27 AUXL Analogue input Multiplexor channel left virtual ground input 28 AUXR Analogue input 3.1 Multiplexor channel right virtual ground input 29 NC No connection 30 NC No connection 31 NC No connection 32 NC No connection 33 AVDD2 Supply Analogue positive supply 34 VOUTL Analogue output DAC channel 1 left output 35 VOUTR Analogue output DAC channel 1 right output 36 DACREFP1 Supply DAC positive reference supply 37 NC No connection 38 GR1 Supply DAC ground reference 39 NC No connection 40 VMIDDAC Analogue output DAC midrail decoupling pin ; 10uF external decoupling 41 NC No connection 42 GR2 Supply DAC ground reference 43 NC No connection 44 DACREFP2 Supply DAC positive reference supply 45 NC No connection 46 NC No connection 47 AGND2 Supply Analogue negative supply and substrate connection 48 DGND Supply Digital negative supply 49 DVDD Supply Digital positive supply |
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