Datasheet

AD7245A/AD7248A
REV. B
–16–
MECHANICAL INFORMATION —AD7248A
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
20-Lead Plastic DIP
(N-20)
20
110
11
PIN 1
1.07 (27.18) MAX
0.021 (0.533)
0.015 (0.381)
0.255 (6.477)
0.245 (6.223)
0.18 (4.57)
0.125 (3.18)
0.011 (0.28)
0.009 (0.23)
0.32 (8.128)
0.29 (7.366)
15ⴗ
0
0.145
(3.683)
MIN
0.021 (0.533)
0.015 (0.381)
0.070 (1.77)
0.045 (1.15)
0.125
(3.175)
MIN
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH.
LEADS ARE SOLDER OR TIN-PLATED KOVAR OR ALLOY 42
20-Lead SOIC
(R-20)
0.015 (0.38)
0.007 (0.18)
8ⴗ
0ⴗ
0.034 (0.86)
0.018 (0.46)
SEATING
PLANE
0.011 (0.275)
0.005 (0.125)
0.022 (0.56)
0.014 (0.36)
0.107 (2.72)
0.089 (2.26)
0.0500
(1.27)
BSC
20 11
10
1
0.419 (10.65)
0.404 (10.00)
0.299 (7.60)
0.291 (7.40)
PIN 1
0.5118 (13.00)
0.4961 (12.60)
20-Terminal
Plastic Leaded Chip Carrier
(P-20A)
3
PIN 1
IDENTIFIER
4
19
18
8
9
14
13
TOP VIEW
(PINS DOWN)
0.390 ⴞ 0.005
(9.905 ⴞ 0.125)
SQ
0.105 ⴞ 0.015
(2.665 ⴞ 0.375)
SQ
0.045 ⴞ 0.003
(1.143 ⴞ 0.076)
0.020
(0.51)
MAX
0.050
(1.27)
BSC
0.017 ⴞ 0.004
(0.432 ⴞ 0.101)
0.029 ⴞ 0.003
(0.737 ⴞ 0.076)
0.173 ⴞ 0.008
(4.385 ⴞ 0.185)
0.025
(0.64) MIN
0.020
(0.51) MIN
0.105 ⴞ 0.015
(2.665 ⴞ 0.375)
20-Lead Cerdip
(Q-20)
20
110
11
0.310 (7.87)
0.220 (5.59)
PIN 1
0.11 (2.79)
0.09 (2.28)
15°
0°
0.320 (8.13)
0.290 (7.37)
0.015 (0.38)
0.008 (0.20)
SEATING
PLANE
0.20 (5.0)
0.14 (3.18)
0.97 (24.64)
0.935 (23.75)
0.150
(3.81)
MIN
0.15 (3.8)
0.125 (3.18)
0.02 (0.5)
0.016 (0.41)
0.070 (1.78)
0.030 (0.76)
0.060 (1.52)
0.015 (0.38)
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH.
LEADS ARE SOLDER OR TIN-PLATED KOVAR OR ALLOY 42
C00996–0–3/01 (B)
PRINTED IN U.S.A.
Revision History
Location Page
Data Sheet changed from REV. A to REV. B.
Changed V
DD
= 15 V ± 5% to V
DD
= 15 V ± 10% in Static Performance section in Test Conditions/Comments column . . . . . . . . 2
Changed A Version of Full-Scale Temperature Coefficient from ±30 to ±40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Changed B and T Versions of V
DD
Power Requirements from +11.4/+15.75 to +10.8/+16.5 for V min.
Changed B and T Versions of V
SS
Power Requirements from –11.4/–15.75 to –10.8/–16.5 for V max . . . . . . . . . . . . . . . . . . . . . 2
Change to Note 1 and Note 9 of Specifications table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Change to Note 2 in Switching Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Changes to R-24 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15