Datasheet

AD6644
Rev. D | Page 21 of 24
OUTLINE DIMENSIONS
COMPLIANT TO JEDEC STANDARDS MS-026-BCC
TOP VIEW
(PINS DOWN)
40
52
1
14
13
26
27
39
0.65
BSC
LEAD PITCH
0.38
0.32
0.22
1.60
MAX
0.75
0.60
0.45
VIEW A
PIN 1
0.20
0.09
1.45
1.40
1.35
0.10
COPLANARITY
VIEW A
ROTATED 90° CCW
SEATING
PLANE
7°
3.5°
0°
0.15
0.05
12.20
12.00 SQ
11.80
10.20
10.00 SQ
9.80
051706-A
Figure 37. 52-Lead Low Profile Quad Flat Package [LQFP]
(ST-52)
Dimensions shown in millimeters
ORDERING GUIDE
Model Temperature Range Package Description Package Option
AD6644AST-40 −25°C to +85°C 52-Lead Low Profile Quad Flat Package (LQFP) ST-52
AD6644ASTZ-40
1
−25°C to +85°C 52-Lead Low Profile Quad Flat Package (LQFP) ST-52
AD6644AST-65 −25°C to +85°C 52-Lead Low Profile Quad Flat Package (LQFP) ST-52
AD6644ASTZ-65
1
−25°C to +85°C 52-Lead Low Profile Quad Flat Package (LQFP) ST-52
AD6644ST/PCB Evaluation Board with AD6644AST–65
AD6644ST/PCBZ
1
Evaluation Board with AD6644AST–65
1
Z = RoHS Compliant Part.