11

LTC1657

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

0.386 – 0.393*

(9.804 – 9.982)

GN28 (SSOP) 1098

* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH

SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD

FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

12

3

4

5

6

7

8

9 10 11 12

0.229 – 0.244

(5.817 – 6.198)

0.150 – 0.157**

(3.810 – 3.988)

20

21

22

23

24

25

26

27

28

19 18 17

13 14

1615

0.016 – 0.050

(0.406 – 1.270)

0.015

± 0.004

(0.38

± 0.10)

× 45°

0

° – 8° TYP

0.0075 – 0.0098

(0.191 – 0.249)

0.053 – 0.069

(1.351 – 1.748)

0.008 – 0.012

(0.203 – 0.305)

0.004 – 0.009

(0.102 – 0.249)

0.0250

(0.635)

BSC

0.033

(0.838)

REF

N28 1098

0.255

± 0.015*

(6.477

± 0.381)

1.370*

(34.789)

MAX

34

5

6

7

8

9

10

11

12

21

13

14

15

16

18

17

19

20

22

23

24

25

26

2

27

1

28

0.020

(0.508)

MIN

0.125

(3.175)

MIN

0.130

± 0.005

(3.302

± 0.127)

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.018

± 0.003

(0.457

± 0.076)

0.005

(0.127)

MIN

0.100

(2.54)

BSC

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.035

–0.015

+0.889

–0.381

8.255

()

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)

GN Package

28-Lead Plastic SSOP (Narrow 0.150)

(LTC DWG # 05-08-1641)

N Package

28-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.