LM12454_14 datasheet(43/45 Pages) TI1

Part #	LM12454

Description	LM12454/LM12458/LM12H458 12-Bit Sign Data Acquisition System with Self-Calibration

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MECHANICAL DATA

MPLC004A – OCTOBER 1994

1

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

FN (S-PQCC-J**)

PLASTIC J-LEADED CHIP CARRIER

4040005 / B 03/95

20 PIN SHOWN

0.026 (0,66)

0.032 (0,81)

D2 / E2

0.020 (0,51) MIN

0.180 (4,57) MAX

0.120 (3,05)

0.090 (2,29)

D2 / E2

0.013 (0,33)

0.021 (0,53)

Seating Plane

MAX

D2 / E2

0.219 (5,56)

0.169 (4,29)

0.319 (8,10)

0.469 (11,91)

0.569 (14,45)

0.369 (9,37)

MAX

0.356 (9,04)

0.456 (11,58)

0.656 (16,66)

0.008 (0,20) NOM

1.158 (29,41)

0.958 (24,33)

0.756 (19,20)

0.191 (4,85)

0.141 (3,58)

MIN

0.441 (11,20)

0.541 (13,74)

0.291 (7,39)

0.341 (8,66)

18

19

14

13

D

D1

1

3

9

E1

E

4

8

MIN

MAX

MIN

PINS

**

20

28

44

0.385 (9,78)

0.485 (12,32)

0.685 (17,40)

52

68

84

1.185 (30,10)

0.985 (25,02)

0.785 (19,94)

D/E

0.395 (10,03)

0.495 (12,57)

1.195 (30,35)

0.995 (25,27)

0.695 (17,65)

0.795 (20,19)

NO. OF

D1 / E1

0.350 (8,89)

0.450 (11,43)

1.150 (29,21)

0.950 (24,13)

0.650 (16,51)

0.750 (19,05)

0.004 (0,10)

M

0.007 (0,18)

0.050 (1,27)

NOTES: A. All linear dimensions are in inches (millimeters).

B. This drawing is subject to change without notice.

C. Falls within JEDEC MS-018

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LM12454 Datasheet(PDF) 43 Page - Texas Instruments

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