AD7778AS View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
AD7778AS Datasheet PDF : 12 Pages
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AD7776/AD7777/AD7778
OUTLINE DIMENSIONS
28-Lead Plastic Dual-in-Line Package [PDIP]
(N-28)
Dimensions shown in millimeters and (inches)
39.70 (1.5630)
35.10 (1.3819)
28
15
14.73 (0.5799)
12.32 (0.4850)
1
14
1.52 (0.0598)
0.38 (0.0150)
6.35
(0.2500)
MAX
5.05 (0.1988) 0.56 (0.0220) 2.54
1.77
3.18 (0.1252)
0.36
(0.0142)
(0.1000)
BSC
(0.0697)
MAX
3.81
(0.1500)
MIN
SEATING
PLANE
15.87 (0.6248)
15.24 (0.6000)
4.95 (0.1949)
3.18 (0.1252 )
0.38 (0.0150)
0.20 (0.0079)
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
44-Lead Plastic Quad Flatpack [PQFP]
(S-44)
Dimensions shown in millimeters
1.03
0.88
0.73
SEATING
PLANE
2.45
MAX
8؇
0.8؇
13.20 BSC SQ
10.00 BSC SQ
33
34
23
22
COPLANARITY
0.10
TOP VIEW
(PINS DOWN)
0.25 MAX
PIN 1
44
1
2.20
2.00
0.80
1.80
BSC
COMPLIANT TO JEDEC STANDARDS MS-022-AB
12
11
0.45
0.29
Revision History
Location
Page
10/02—Data Sheet changed from REV. 0 to REV. A.
Changes to SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Changes to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Changes to Total Harmonic Distortion, THD section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Changes to OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
–12–
REV. A
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