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WM8731SEDS/V bảng dữ liệu(PDF) 63 Page - Wolfson Microelectronics plc |
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WM8731SEDS/V bảng dữ liệu(HTML) 63 Page - Wolfson Microelectronics plc |
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63 / 65 page ![]() WM8731 / WM8731L Production Data w PD, Rev 4.9, October 2012 63 PACKAGE DIMENSIONS - QFN NOTES: 1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm FROM TERMINAL TIP. 2. FALLS WITHIN JEDEC, MO-220 WITH THE EXCEPTION OF D2, E2 AND L: D2,E2: SMALLER PAD SIZE CHOSEN WHICH IS JUST OUTSIDE JEDEC SPECIFICATION, L IS SLIGHTLY LARGER THAN JEDEC SPEC. 3. ALL DIMENSIONS ARE IN MILLIMETRES. 4. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE. 5. SHAPE AND SIZE OF CORNER TIE BAR MAY VARY WITH PACKAGE TERMINAL COUNT. CORNER TIE BAR IS CONNECTED TO EXPOSED PAD INTERNALLY. 6. REFER TO APPLICATION NOTE WAN_0118 FOR FURTHER INFORMATION REGARDING PCB FOOTPRINTS AND QFN PACKAGE SOLDERING. DM109.A FL: 28 PIN QFN PLASTIC PACKAGE 5 X 5 X 0.85 mm BODY, 0.50 mm LEAD PITCH C aaa INDEX AREA (D/2 X E/2) C aaa 2 X 2 X TOP VIEW D E C 0.08 C 0.10 A A1 C (A3) SEATING PLANE 1 14 13 b 15 L D2/2 D2 E2 E2/2 SEE DETAIL A B C ccc M A B B A A 27 28 1 2 7 8 21 22 e DETAIL A Symbols Dimensions (mm) MIN NOM MAX NOTE A A1 A3 b D D2 E E2 e L R 0.80 0.85 0.90 0.05 0.035 0 0.203 REF 0.30 0.25 0.20 5.00 BSC 3.20 3.10 3.00 5.00 BSC 0.5 BSC 3.10 3.20 3.00 0.50 0.55 0.60 b(min)/2 1 2 2 aaa bbb ccc REF: 0.10 0.10 0.10 JEDEC, MO-220, VARIATION VHHD-3 Tolerances of Form and Position EXPOSED GROUND PADDLE 6 BOTTOM VIEW SIDE VIEW B C 0.10 A 2 |
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