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AD7653 Datasheet(PDF) 7 Page - Analog Devices |
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AD7653 Datasheet(HTML) 7 Page - Analog Devices |
7 / 28 page AD7654 Rev. B | Page 7 of 28 ABSOLUTE MAXIMUM RATINGS Table 5. Parameter Values Analog Inputs INAx1, INBx1, REFx, INxN, REFGND AVDD + 0.3 V to AGND − 0.3 V Ground Voltage Differences AGND, DGND, OGND ±0.3 V Supply Voltages AVDD, DVDD, OVDD −0.3 V to +7 V AVDD to DVDD, AVDD to OVDD ±7 V DVDD to OVDD −0.3 V to +7 V Digital Inputs −0.3 V to DVDD + 0.3 V Internal Power Dissipation2 700 mW Internal Power Dissipation3 2.5 W Junction Temperature 150°C Storage Temperature Range −65°C to +150°C Lead Temperature Range (Soldering 10 sec) 300°C 1 See Analog Inputs section. 2 Specification is for device in free air: 48-lead LQFP: θJA = 91°C/W, θJC = 30°C/W. 3 Specification is for device in free air: 48-lead LFCSP; θJA = 26°C/W. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. TO OUTPUT PIN CL 60pF* 500µA IOH 1.6mA IOL 1.4V *IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM. Figure 2. Load Circuit for Digital Interface Timing (SDOUT, SYNC, SCLK Outputs, CL = 10 pF) 0.8V 2V 2V 0.8V tDELAY 2V 0.8V tDELAY Figure 3. Voltage Reference Levels for Timing ESD 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 this product 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. |
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