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AD671 データシート(PDF) 6 Page - Analog Devices |
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AD671 データシート(HTML) 6 Page - Analog Devices |
6 / 16 page AD671 REV. B –6– AD671 PIN DESCRIPTION Symbol Pin Type Name and Function ACOM 22 P Analog Ground. AIN 20 AI Analog Input Signal. BIT1 (MSB) 12 DO Most Significant Bit. BIT2–BIT11 11–2 DO Data Bits 2–11. BIT12 (LSB) 1 DO Least Significant Bit. BPO/UPO 21 AI Bipolar or Unipolar Configuration Pin. Connect to AIN for 0 V to +5 V Span, to ACOM for 0 V to +10 V Span and to REF IN for –5 V to +5 V Span. DAV 15 DO Data Available Output. The Rising Edge of DAV Indicates an End of Conversion and Can Be Used to Latch Current Data into an External Register. The Falling Edge of DAV Can Be Used to Latch Previous Data into an External Register. DCOM 18 P Digital Ground. ENCODE 16 DI The AD671 Starts a Conversion on the Rising Edge of the ENCODE Pulse. MSB 13 DO Inverted Most Significant Bit. Provides Twos Complement Output Data Format. OTR 14 DO Out of Range Is Active HIGH when the analog input is beyond the input range of the converter. REF IN 19 AI +5 V Reference Input. VCC 23 P +5 V Analog Power. VEE 24 P –5 V Analog Power. VLOGIC 17 P +5 V Digital Power. TYPE: AI = Analog Input DI = Digital Input DO = Digital Output P = Power CONNECTION DIAGRAM PINOUT 1 2 3 4 5 6 7 8 9 10 11 24 23 22 21 20 19 18 17 16 15 14 12 13 TOP VIEW (Not to Scale) AD671 BIT12 (LSB) BIT11 BIT10 BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 (MSB) MSB OTR DAV ENCODE DCOM REF IN AIN BPO/UPO ACOM V CC VEE V LOGIC |
同様の部品番号 - AD671 |
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同様の説明 - AD671 |
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