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AD9071BR Datasheet(PDF) 4 Page - Analog Devices |
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AD9071BR Datasheet(HTML) 4 Page - Analog Devices |
4 / 12 page AD9071 –4– REV. B ORDERING GUIDE Model Temperature Range Package Description Package Option AD9071BR –40 °C to +85°C 28-Lead Wide Body (SOIC) R-28 AD9071/PCB +25 °C Evaluation Board Table I. Output Coding Offset Code AIN– AIN Binary OR 1023 ≥ 0.512 V 11 1111 1111 1 1023 0.511 V 11 1111 1111 0 1022 0.510 V 11 1111 1110 0 •• • • •• • • •• • • 513 0.001 V 10 0000 0001 0 512 0.000 V 10 0000 0000 0 511 –0.001 V 01 1111 1111 0 •• • • •• • • •• • • 1 –0.511 V 00 0000 0001 0 0 –0.512 V 00 0000 0000 0 0 ≤–0.513 V 00 0000 0000 1 PIN FUNCTION DESCRIPTIONS Pin No. Name Function 1, 7, 12, 21, 23 GND Ground. 2, 8, 11 VCC Analog Power Supply. Nominally 5.0 V. (Tie together to prevent a possible latch-up condition.) 3 VREF OUT Internal Reference Output (VCC – 2.5 V typical); Bypass with 0.1 µF to VCC. 4 VREF IN Reference Input for ADC (VCC – 2.5 V typical). 5, 6 DNC Do Not Connect. 9 AIN Analog Input – Complementary. 10 AIN Analog Input – True. 13 ENCODE Encode clock for ADC. (ADC Samples on Rising Edge of ENCODE.) 14 OR Out-of-Range Output. Goes HIGH when the converted sample is more positive than 3FFH or more negative than 000H (offset binary coding). 15–19, 24–28 D9–D0 Digital outputs of ADC. D9 is the MSB. Data is offset binary. 20, 22 VDD Digital Output Power Supply. User selectable range from 3 V to 5 V. PIN CONFIGURATION 14 13 12 11 10 9 8 2 3 4 7 6 5 1 TOP VIEW (Not to Scale) 17 16 15 20 19 18 28 27 26 25 24 23 22 21 AD9071BR D0 D1 D2 D3 D4 VDD GND VDD GND D5 D6 D7 D8 D9 (MSB) VCC GND VREF OUT VREF IN DNC DNC VCC GND AIN AIN GND VCC ENCODE OR DNC = DO NOT CONNECT |
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