AD6645
OUTLINE DIMENSIONS
2.35
2.20 (4 PLCS)
2.05
1.60
MAX
12.20
12.00 SQ
11.80
2.65
2.50 (4 PLCS)
2.35
40
0.75
0.60
0.45
52
40
52
1
1
39
39
PIN 1
6.05
5.90 SQ
5.75
EXPOSED
HEAT SINK
(CENTERED)
TOP VIEW
(PINS DOWN)
10.20
10.00 SQ
9.80
1.45
1.40
1.35
BOTTOM VIEW
(PINS UP)
0.20
0.08
13
13
27
27
26
26
14
14
7°
0°
0.65
BSC
LEAD PITCH
VIEW A
0.38
0.32
0.22
0.15
0.05
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SEATING
PLANE
0.10 MAX
COPLANARITY
SECTION OF THIS DATA SHEET.
VIEW A
ROTATED 90° CCW
COMPLIANT TO JEDEC STANDARDS MS-026-BCC-HD
Figure 48. 52-Lead Low Profile Quad Flat Package, PowerQuad [LQFP_PQ4]
(SQ-52-1)
Dimensions shown in millimeters
1.20
MAX
0.75
0.60
0.45
12.00 BSC
SQ
52
40
52
40
39
39
1
1
SEATING
PLANE
PIN 1
10.00
BSC SQ
TOP VIEW
(PINS DOWN)
6.50 BSC
SQ
EXPOSED
PAD
0° MIN
1.05
1.00
0.95
0.20
0.09
BOTTOM VIEW
(PINS UP)
13
13
27
27
7°
14
VIEW A
26
26
14
3.5°
0°
0.15
0.05
0.65
BSC
LEAD PITCH
0.38
0.32
0.22
0.08 MAX
COPLANARITY
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
VIEW A
ROTATED 90
°
CCW
SECTION OF THIS DATA SHEET.
COMPLIANT TO JEDEC STANDARDS MS-026-ACC
Figure 49. 52-Lead Thin Quad Flat Package, Exposed Pad [TQFP_EP]
(SV-52-1)
Dimensions shown in millimeters
ORDERING GUIDE
Model
AD664ꢀASQ-80
AD664ꢀASQZ-801
AD664ꢀASVZ-801
AD664ꢀASQ-10ꢀ
AD664ꢀASQZ-10ꢀ1
AD664ꢀASVZ-10ꢀ1
AD664ꢀ-80/PCBZ1
AD664ꢀ-10ꢀ/PCBZ1
Temperature Range
−40°C to +8ꢀ°C
−40°C to +8ꢀ°C
−40°C to +8ꢀ°C
−10°C to +8ꢀ°C
−10°C to +8ꢀ°C
−10°C to +8ꢀ°C
Package Description
Package Option
ꢀ2-Lead Low Profile Quad Flat Package, PowerQuad (LQFP_PQ4)
ꢀ2-Lead Low Profile Quad Flat Package, PowerQuad (LQFP_PQ4)
ꢀ2-Lead Thin Quad Flat Package, Exposed Pad [TQFP_EP]
ꢀ2-Lead Low Profile Quad Flat Package, PowerQuad (LQFP_PQ4)
ꢀ2-Lead Low Profile Quad Flat Package, PowerQuad (LQFP_PQ4)
ꢀ2-Lead Thin Quad Flat Package, Exposed Pad [TQFP_EP]
Evaluation Board
SQ-ꢀ2-1
SQ-ꢀ2-1
SV-ꢀ2-1
SQ-ꢀ2-1
SQ-ꢀ2-1
SV-ꢀ2-1
Evaluation Board
1 Z = RoHS Compliant Part.
©2002–2008 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D02647-0-10/08(D)
Rev. D | Page 24 of 24