LT1237CG#PBF Linear Technology, LT1237CG#PBF Datasheet - Page 8

• Manufacturer Part Number: LT1237CG#PBF
• Description: IC TXRX 5V RS232 ADV LOPWR28SSOP
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LT1237CG#PBF

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PACKAGE DESCRIPTIO
LT1237
TYPICAL
RELATED PARTS
8
(0.229 – 0.330)
PART NUMBER
LTC
LT1137A
LTC1387
LT1780/LT1781
LT1785/LT1791
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
**
0.009 – 0.013
*
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
®
MOUSE
485
(7.391 – 7.595)
NOTE 1
0.291 – 0.299**
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
(0.406 – 1.270)
0.016 – 0.050
OPTICS
LOGIC
V
V
A
+
–
PPLICATI
DESCRIPTION
Low Power RS485 Transceiver
3Dx/5Rx RS232 Transceiver
RS232/RS485 Multiprotocol Transceiver
2Dx/2Rx RS232 Transceiver
60V Fault Tolerant RS485 Transceiver
0 – 8 TYP
(0.254 – 0.737)
0.010 – 0.029
45
O
(2.362 – 2.642)
0.093 – 0.104
(1)
U
(1.270)
0.050
TYP
(5)
DB9
U
(0.356 – 0.482)
0.014 – 0.019
28-Lead Plastic Small Outline (Wide 0.300)
(9)
TYP
Dimensions in inches (millimeters) unless otherwise noted.
Typical Mouse Driving Application
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
(LTC DWG # 05-08-1620)
1.0 F
SW Package
2 0.1 F
RX5 IN (LOW-Q)
DRIVER 1 OUT
DRIVER 2 OUT
DRIVER 3 OUT
5V V
ON/OFF
RX1 IN
RX2 IN
RX3 IN
RX4 IN
(0.102 – 0.305)
0.004 – 0.012
(0.940 – 1.143)
V
0.037 – 0.045
CC
+
COMMENTS
15kV ESD
15kV ESD
15kV ESD
10
11
12
13
14
1
2
3
4
5
6
7
8
9
NOTE 1
LT1237
28
1
27
2
26
3
25
4
24
5
1237fa LT/TP 0799 2K REV A • PRINTED IN USA
23
(17.70 – 18.08)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
6
0.697 – 0.712*
LINEAR TECHNOLOGY CORPORATION 1992
22 21 20 19 18 17 16 15
7
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT (LOW-Q)
GND
DRIVER DISABLE
V
8
–
9 10
11 12
2 0.1 F
13
LOGIC “0”
14
LOGIC “0”
MOUSE DATA
LOGIC “1”
S28 (WIDE) 0996
(10.007 – 10.643)
1237 TA03
0.394 – 0.419
0.1 F