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AD7864AS-2 Scheda tecnica(PDF) 5 Page - Analog Devices |
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AD7864AS-2 Scheda tecnica(HTML) 5 Page - Analog Devices |
5 / 19 page AD7864 –5– REV. A CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD7864 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. ABSOLUTE MAXIMUM RATINGS* (TA = +25 °C unless otherwise noted) VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V Analog Input Voltage to AGND AD7864-1 ( ±10 V Input Range) . . . . . . . . . . . . . . . . ±20 V AD7864-1 ( ±5 V Input Range) . . . . . . . . . . . –7 V to +20 V AD7864-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . –7 V to +20 V AD7864-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . –1 V to +20 V Reference Input Voltage to AGND . . . –0.3 V to VDD + 0.3 V Digital Input Voltage to DGND . . . . . –0.3 V to VDD + 0.3 V Digital Output Voltage to DGND . . . . –0.3 V to VDD + 0.3 V Operating Temperature Range Commercial (A, B Version) . . . . . . . . . . . . –40 °C to +85°C Storage Temperature Range . . . . . . . . . . . . –65 °C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . +150 °C MQFP Package, Power Dissipation . . . . . . . . . . . . . . 450 mW θ JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 95 °C/W Lead Temperature, Soldering Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . +215 °C Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . +220 °C *Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ORDERING GUIDE Input Relative Temperature Package Package Model Ranges Accuracy Range* Description Option AD7864AS-1 ±5 V, ±10 V ±1 LSB –40 °C to +85°C Plastic Lead Quad Flatpack S-44 AD7864BS-1 ±5 V, ±10 V ±0.5 LSB –40 °C to +85°C Plastic Lead Quad Flatpack S-44 AD7864AS-3 ±2.5 V ±1 LSB –40 °C to +85°C Plastic Lead Quad Flatpack S-44 AD7864AS-2 0 V to 2.5 V, 0 V to 5 V ±1 LSB –40 °C to +85°C Plastic Lead Quad Flatpack S-44 *The A Version is fully specified up to +105 °C with degraded INL and DNL specifications of ± 2 LSBs max. PIN CONFIGURATION 12 13 14 15 16 17 18 19 20 21 22 3 4 5 6 7 1 2 10 11 8 9 40 39 38 41 42 43 44 36 35 34 37 29 30 31 32 27 28 25 26 23 24 33 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) DB7 DB8 DB9 DB10 DB11 CLKIN INT/EXT CLK BUSY FRSTDATA CONVST CS RD WR SL1 SL2 SL3 SL4 H/S SEL AGND AVDD VREF VREFGND AD7864 WARNING! ESD SENSITIVE DEVICE |
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