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AD9852/PCB 数据表(PDF) 42 Page - Analog Devices |
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AD9852/PCB 数据表(HTML) 42 Page - Analog Devices |
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42 / 42 page ![]() AD9852 –42– REV. 0 OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 80-Lead LQFP_ED (SQ-80) 61 60 1 80 20 41 21 40 TOP VIEW (PINS DOWN) PIN 1 0.630 (16.00) BSC SQ 0.551 (14.00) BSC SQ 1 20 21 41 40 60 80 61 BOTTOM VIEW THERMAL SLUG 0.394 (10.00) REF SQ SEATING PLANE 0.063 (1.60) MAX 0.004 (0.10) MAX COPLANARITY 0.006 (0.15) 0.002 (0.05) 0.030 (0.75) 0.024 (0.60) 0.018 (0.45) 0.0256 (0.65) BSC 7 3.5 0 0.008 (0.20) 0.004 (0.09) 0.015 (0.38) 0.013 (0.32) 0.009 (0.22) 0.057 (1.45) 0.055 (1.40) 0.053 (1.35) CONTROLLING DIMENSIONS IN MILLIMETERS. CENTER FIGURES ARE NOMINAL UNLESS OTHERWISE NOTED. 80-Lead LQFP (ST-80) TOP VIEW (PINS DOWN) 1 20 21 41 40 60 61 80 0.640 (16.25) 0.620 (15.75) SQ 0.553 (14.05) 0.549 (13.95) SQ 0.014 (0.35) 0.010 (0.25) 0.029 (0.73) 0.022 (0.57) 0.486 (12.35) TYP SQ 0.063 (1.60) MAX 0.030 (0.75) 0.020 (0.50) SEATING PLANE 0.006 (0.15) 0.002 (0.05) 0.004 (0.10) MAX 0.057 (1.45) 0.053 (1.35) |
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