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WM8711LGEFL Datasheet(PDF) 42 Page - Wolfson Microelectronics plc |
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WM8711LGEFL Datasheet(HTML) 42 Page - Wolfson Microelectronics plc |
42 / 44 page WM8711L Production Data w PD, Rev 4.5, August 2011 42 PACKAGE DIMENSIONS NOTES: 1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm FROM TERMINAL TIP. DIMENSION L1 REPRESENTS TERMINAL PULL BACK FROM PACKAGE SIDE WALL. MAXIMUM OF 0.1mm IS ACCEPTABLE. WHERE TERMINAL PULL BACK EXISTS, ONLY UPPER HALF OF LEAD IS VISIBLE ON PACKAGE SIDE WALL DUE TO HALF ETCHING OF LEADFRAME. 2. FALLS WITHIN JEDEC, MO-220 WITH THE EXCEPTION OF D2, E2: D2,E2: LARGER PAD SIZE CHOSEN WHICH IS JUST OUTSIDE JEDEC SPECIFICATION 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. DM023.G FL: 28 PIN QFN PLASTIC PACKAGE 5 X 5 X 0.9 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 ccc A A1 C (A3) SEATING PLANE 1 14 13 b 15 L D2/2 D2 E2 E2/2 SEE DETAIL B B C ccc M A B B A A 27 28 1 2 7 8 21 22 e 5 CORNER TIE BAR DETAIL A B C bbb M A 28x b L1 1 1 5 CORNER TIE BAR 0.1 5 DETAIL B SEE DETAIL A Symbols Dimensions (mm) MIN NOM MAX NOTE A A1 A3 b D D2 E E2 e L L1 R 0.85 0.90 1.00 0.05 0.02 0 0.2 REF 0.30 0.23 0.18 5.00 BSC 3.4 3.3 3.2 5.00 BSC 0.5 BSC 3.3 3.4 3.2 0.35 0.4 0.45 0.1 b(min)/2 1 2 2 1 K 0.20 aaa bbb ccc REF: 0.15 0.10 0.10 JEDEC, MO-220, VARIATION VHHD-1 Tolerances of Form and Position EXPOSED GROUND PADDLE EXPOSED GROUND PADDLE 6 BOTTOM VIEW SIDE VIEW 0.210mm |
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