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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD7861AP датащи(PDF) 4 Page - Analog Devices |
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AD7861AP датащи(HTML) 4 Page - Analog Devices |
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4 / 6 page  AD7861 REV. B –4– PIN DESCRIPTION Pin Mnemonic Type Description 1 AUX0 I/P Auxiliary Input 0 2 REFIN I/P Analog Reference Input 3 AGND GND Analog Ground 4 REFOUT O/P Internal 2.5 Analog Reference 5 S0 I/P Aux Channel Select 0 6 S1 I/P Aux Channel Select 1 7 D0 O/P Data Bit 0 LSB (Tied Low) 8 D1 O/P Data Bit 1 9 D2 O/P Data Bit 2 10 D3 O/P Data Bit 3 11 D4 O/P Data Bit 4 12 D5 O/P Data Bit 5 13 D6 O/P Data Bit 6 14 D7 O/P Data Bit 7 15 D8 O/P Data Bit 8 16 D9 O/P Data Bit 9 17 D10 O/P Data Bit 10 18 D11 O/P Data Bit 11, MSB 19 DGND GND Logic Ground 20 DGND GND Logic Ground 21 VDD SUP +5 V Digital Supply 22 M0 I/P Conversion Mode Select 0 23 M1 I/P Conversion Mode Select 1 24 CONVST I/P A/D Conversion Start 25 CS I/P Chip Select 26 RD I/P Read Input 27 RESET I/P Chip Reset 28 A1 I/P Register Address Select 1 29 A0 I/P Register Address Select 0 30 NC NC No Connect 31 BUSY O/P Busy, Conversion in Process 32 CLK I/P External Clock Input 6.25 MHz-12.5 MHz 33–34 DGND GND Logic Ground 35 SGND GND Signal Ground 36 VDD SUP +5 V Analog Supply 37 VIN1 I/P Analog Input 1 38–39 NC NC No Connect 40 VIN2 I/P Analog Input 2 41 VIN3 I/P Analog Input 3 42 AUX3 I/P Auxiliary Input 3 43 AUX2 I/P Auxiliary Input 2 44 AUX1 I/P Auxiliary Input 1 PIN CONFIGURATION 18 19 20 21 22 23 24 25 26 27 28 35 36 37 38 39 33 34 31 32 29 30 21 44 3 4 5 642 41 40 43 9 10 11 12 13 7 8 16 17 14 15 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) AD7861 NC NC VIN1 VDD SGND DGND DGND D0 D1 D2 D3 D4 D5 D6 NC = NO CONNECT D7 D8 D9 D10 CLK BUSY NC A0 Pin Types Pin Types I/P = Input Pin GND = Ground Pin O/P = Output Pin SUP = Supply Pin |
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