Datasheet

8
LT1280A/LT1281A
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
LINEAR TECHNOLOGY CORPORATION 1993
SW Package
18-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
S18 (WIDE) 0396
SEE
NOTE
0.447 – 0.463*
(11.354 – 11.760)
15
14 13
12
11
10
16
9
1
23
4
5
6
78
0.394 – 0.419
(10.007 – 10.643)
1718
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)
TYP
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)
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
*
**
U
A
O
PP
L
IC
AT
ITY
P
I
CA
L
12801afa LT/TP 1098 REV A 2K • PRINTED IN USA
5k
5k
0.1µF
0.1µF
LOGIC
INPUTS
LOGIC
OUTPUTS
ON/OFF
18
10
13
11
12
6
5
4
2
16
9
14
8
15
7
3
17
5V INPUT
12V
OUT
RS232 OUTPUT
RS232 OUTPUT
RS232 INPUT
RS232 INPUT
LT1280A • TA03
LT1280A
12V INPUT
+
+
Operation Using 5V and 12V Power Supplies
PART NUMBER DESCRIPTION COMMENTS
LT1180A/LT1181A 5V 2-Driver/2-Receiver RS232 Transceivers Pin Compatible with LT1280A/LT1280A
LT1381 5V 2-Driver/2-Receiver RS232 Transceiver Narrow 16-Pin SO Package
LT1780/LT1781 5V 2-Driver/2-Receiver RS232 Transceiver IEC 1000-4-2 Level 4 Compliance
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear-tech.com