Datasheet

8
LTC1348
LINEAR TECHNOLOGY CORPORATION 1994
1348fa LT/GP 0197 5K REV A • PRINTED IN USA
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1137A 3-DR/5-RX RS232 Transceiver ±15kV IEC-801-2 ESD Protection
LTC1327 3-DR/5-RX RS562 Transceiver 3.3V Operation
LT1330 3-DR/5-RX RS232 3V Logic Interface
LT1331 3-DR/5-RX RS232/RS562 Transceiver 5V RS232 or 3V RS562 Operation
LTC1347 3-DR/5-RX Micropower RS232 Transceiver 5 Receivers Active in Shutdown
S28 (WIDE) 0396
0° – 8° TYP
NOTE 1
0.009 – 0.013
(0.229 – 0.330)
0.016 – 0.050
(0.406 – 1.270)
0.291 – 0.299**
(7.391 – 7.595)
× 45°
0.010 – 0.029
(0.254 – 0.737)
0.037 – 0.045
(0.940 – 1.143)
0.004 – 0.012
(0.102 – 0.305)
0.093 – 0.104
(2.362 – 2.642)
0.050
(1.270)
TYP
0.014 – 0.019
(0.356 – 0.482)
NOTE 1
0.697 – 0.712*
(17.70 – 18.08)
1
23
4
5
6
78
0.394 – 0.419
(10.007 – 10.643)
910
2526
11 12
22 21 20 19 18
17
16 152324
1413
2728
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
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
*
**
G Package
28-Lead Plastic SSOP (0.209)
(LTC DWG # 05-08-1640)
G28 SSOP 0694
0.005 – 0.009
(0.13 – 0.22)
0° – 8°
0.022 – 0.037
(0.55 – 0.95)
0.205 – 0.212**
(5.20 – 5.38)
0.301 – 0.311
(7.65 – 7.90)
1234
5
6
7
8 9 10 11 12 1413
0.397 – 0.407*
(10.07 – 10.33)
2526 22 21 20 19 18
17
16 1523242728
0.068 – 0.078
(1.73 – 1.99)
0.002 – 0.008
(0.05 – 0.21)
0.0256
(0.65)
BSC
0.010 – 0.015
(0.25 – 0.38)
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH 
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD 
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
SW Package
28-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
TELEX: 499-3977
www.linear-tech.com