Datasheet

AD7661
Rev. 0 | Page 28 of 28
OUTLINE DIMENSIONS
TOP VIEW
(PINS DOWN )
1
12
13
25
24
36
37
48
0.27
0.22
0.17
0.50
BSC
7.00
BSC S
Q
SEATING
PLANE
1.60
MAX
0.75
0.60
0.45
VIEW A
9.00 BSC
SQ
PIN 1
0.20
0.09
1.45
1.40
1.35
0.10 MAX
COPLANARITY
VIEW A
ROTATED 90 ° CCW
SEATING
PLANE
7°
3.5°
0°
10°
6°
2°
0.15
0.05
COMPLIANT TO JEDEC STANDARDS MS-026BBC
Figure 46. 48-Lead Quad Flatpack (LQFP) [ST-48]
Dimensions shown in millimeters
PIN 1
INDICATOR
TOP
VIEW
6.75
BSC SQ
7.00
BSC SQ
1
48
12
13
37
36
24
25
BOTTOM
VIEW
5.25
5.10 SQ
4.95
0.50
0.40
0.30
0.30
0.23
0.18
0.50 BSC

12° MAX
0.80 MAX
0.65 TYP
1.00
0.85
0.80
5.50
REF
0.05 MAX
0.02 NOM
0.60 MAX
0.60 MAX
PIN 1
INDICATOR
COPLANARITY
0.08
SEATING
PLANE
PADDLE CONNECTED TO AGND.
THIS CONNECTION IS NOT
REQUIRED TO MEET THE
ELECTRICAL PERFORMANCES
0.25 MIN
0.20 REF
COMPLIANT TO JEDEC STANDARDS MO-220-VKKD-2
Figure 47. 48-Lead Frame Chip Scale Package (LFCSP) [CP-48]
Dimensions shown in millimeters
ORDERING GUIDE
Model Temperature Range Package Description Package Option
AD7661AST –40°C to +85°C Quad Flatpack (LQFP) ST-48
AD7661ASTRL –40°C to +85°C Quad Flatpack (LQFP) ST-48
AD7661ACP –40°C to +85°C Lead Frame Chip Scale (LFCSP) CP-48
AD7661ACPRL –40°C to +85°C Lead Frame Chip Scale (LFCSP) CP-48
EVAL-AD7661CB
1
Evaluation Board
EVAL-CONTROL BRD2
2
Controller Board
1
This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRD2 for evaluation/demonstration purposes.
2
This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
© 2003 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
C03033–0–10/03(0)