AD7245A/AD7248A

REV. B

–15–

MECHANICAL INFORMATION—AD7245A

OUTLINE DIMENSIONS

Dimensions shown in inches and (mm).

24-Lead Plastic DIP

(N-24)

24

112

13

PIN 1

1.228 (31.19)

1.126 (31.14)

0.260

0.001

(6.61

0.03)

0.11 (2.79)

0.09 (2.28)

0.130 (3.30)

0.128 (3.25)

0.015 (0.381)

0.008 (0.204)

0.32 (8.128)

0.30 (7.62)

SEATING

PLANE

0.060 (1.52)

0.015 (0.38)

0.02 (0.5)

0.09 (2.28)

0.07 (1.78)

0.05 (1.27)

LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH.

PLASTIC LEADS WILL BE EITHER SOLDER DIPPED OR TIN LEAD PLATED

IN ACCORDANCE WITH MIL-M-38510 REQUIREMENTS

24-Lead SOIC

(R-24)

0.013 (0.32)

0.009 (0.23)

8

0

0.005 (0.13)

0.016 (0.40)

SEATING

PLANE

0.012 (0.30)

0.004 (0.10)

0.019 (0.49)

0.014 (0.35)

0.104 (2.65)

0.093 (2.35)

0.050

(1.27)

BSC

24

13

12

1

0.419 (10.65)

0.394 (10.00)

0.299 (7.6)

0.291 (7.4)

PIN 1

0.614 (15.6)

0.598 (15.2)

28-Terminal

Leadless Ceramic Chip Carrier

(E-28A)

1

28

5

11

18

BOTTOM

VIEW

19

25

26

4

12

0.028 (0.71)

0.022 (0.56)

45 TYP

0.055 (1.40)

0.045 (1.14)

0.050

(1.27)

BSC

0.075

(1.91)

REF

0.011 (0.28)

0.007 (0.18)

R TYP

0.095 (2.41)

0.075 (1.90)

0.150

(3.51)

BSC

BSC

0.200

(5.08)

BSC

0.075

(1.91)

REF

0.458 (11.63)

0.442 (11.23)

SQ

0.458

(11.63)

MAX

SQ

0.064 (1.63)

0.088 (2.24)

0.054 (1.37)

NOTES

ALL TERMINALS ARE GOLD PLATED

24-Lead Cerdip

(Q-24)

24

112

13

0.295

(7.493)

MAX

PIN 1

0.070 (1.78)

0.030 (0.76)

15

0

0.320 (8.128)

0.290 (7.366)

0.012 (0.305)

0.008 (0.203)

0.225

(5.715)

MAX

1.290 (32.77) MAX

0.125

(3.175)

MIN 0.021 (0.533)

0.015 (0.381)

TYP

0.110 (2.794)

0.090 (2.286)

TYP

0.180

(4.572)

MAX

0.070 (1.778)

0.020 (0.508)

LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH.

CERDIP LEADS WILL BE EITHER TIN PLATED OR SOLDER DIPPED

IN ACCORDANCE WITH MIL-M-38510 REQUIREMENTS

SEATING

PLANE

28-Terminal

Plastic Leaded Chip Carrier

(P-28A)

4

PIN 1

IDENTIFIER

5

26

25

11

12

19

18

TOP VIEW

(PINS DOWN)

0.495 (12.57)

0.485 (12.32)

SQ

0.456 (11.58)

0.450 (11.43)

SQ

0.032 (0.812)

0.026 (0.661)

0.050

0.005

(1.27

0.13)

0.430 (10.5)

0.390 (9.9)

0.021 (0.533)

0.013 (0.331)

0.180 (4.51)

0.165 (4.20)

0.110 (2.79)

0.085 (2.16)