Datasheet
LTM8052/LTM8052A
26
8052fc
For more information www.linear.com/LTM8052
PACKAGE TOP VIEW
4
PAD “A1”
CORNER
X
Y
aaa Z
aaa Z
PACKAGE BOTTOM VIEW
3
SEE NOTES
SUGGESTED PCB LAYOUT
TOP VIEW
DETAIL A
PAD 1
0.000
0.635
0.635
1.905
1.905
3.175
3.175
4.445
4.445
6.350
6.350
5.080
5.080
0.000
F
G
H
L
J
K
E
A
B
C
D
2 14 35678
D
0.630 ±0.025 Ø 81x
E
b
e
e
b
F
G
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS
LAND DESIGNATION PER JESD MO-222, SPP-010
5. PRIMARY DATUM -Z- IS SEATING PLANE
6. THE TOTAL NUMBER OF PADS: 81
4
3
DETAILS OF PAD #1 IDENTIFIER ARE OPTIONAL,
BUT MUST BE LOCATED WITHIN THE ZONE INDICATED.
THE PAD #1 IDENTIFIER MAY BE EITHER A MOLD OR
MARKED FEATURE
DETAIL B
DETAIL B
SUBSTRATE
MOLD
CAP
0.27 – 0.37
2.45 – 2.55
// bbb Z
Z
DETAIL A
DIA (0.630) 81x
S
YXeee
LGA 81 1212 REV A
LTMXXXXXX
µModule
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
COMPONENT
PIN “A1”
SYMBOL
A
b
D
E
e
F
G
aaa
bbb
eee
MIN
2.72
0.60
NOM
2.82
0.63
15.0
11.25
1.27
12.70
8.89
MAX
2.92
0.66
0.15
0.10
0.05
NOTES
DIMENSIONS
TOTAL NUMBER OF LGA PADS: 81
A
LGA Package
81-Lead (15mm × 11.25mm × 2.82mm)
(Reference LTC DWG # 05-08-1868 Rev A)
7 PACKAGE ROW AND COLUMN LABELING MAY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY
!
7
SEE NOTES
package DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.