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AD779JN Arkusz danych(PDF) 6 Page - Analog Devices |
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AD779JN Arkusz danych(HTML) 6 Page - Analog Devices |
6 / 12 page AD779 –6– REV. B PIN DESCRIPTION 28-Pin DIP Symbol Pin No. Type Name and Function AGND 7 P Analog Ground. This is the ground return for AIN only. AIN 6 AI Analog Signal Input. BIPOFF 10 AI Bipolar Offset. Connect to AGND for +10 V input unipolar mode and straight binary output coding. Connect to REFOUT for ±5 V input bipolar mode and twos-complement binary output coding. CS 12 DI Chip Select. Active LOW. DGND 14 P Digital Ground. DB13–DB0 28–15 DO Data Bits. These pins provide all 14 bits in one 14 bit parallel output. Active HIGH. EOC 2 DO End-of-Convert. EOC goes LOW when a conversion starts and goes HIGH when the conversion is finished. EOC is a three-state output. See EOCEN pin for information on EOC gating. EOCEN 13 DI End-of-Convert Enable. Enables EOC pin. Active LOW. OE 3 DI Output Enable. A down-going transition on OE enables data bits. Active LOW. REFIN 9 AI Reference Input. +5 V input gives 10 V full scale range. REFOUT 8 AO +5 V Reference Output. Tied to REFIN for normal operation. SC 4 DI Start Convert. Active LOW. VCC 11 P +12 V Analog Power. VEE 5 P –12 V Analog Power. VDD 1 P +5 V Digital Power. Type: AI = Analog Input. AO = Analog Output. DI = Digital Input. DO = Digital Output. All DO pins are three-state drivers. P = Power. PIN CONFIGURATION DIP Package |
Podobny numer części - AD779JN |
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Podobny opis - AD779JN |
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