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LT1180AISW

Description
Dual Transmitter/Receiver RS-232 18-Pin SOIC W
File Size204KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LT1180AISW Overview

Dual Transmitter/Receiver RS-232 18-Pin SOIC W

LT1180AISW Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesNot Compliant
ECCN (US)EAR99
Part StatusUnconfirmed
HTS8542.39.00.01
SVHCYes
SVHC Exceeds ThresholdYes
FunctionLine Transceiver
Data Rate250KBd(Min)
Transmitter Communication TypeRS-232
Receiver Communication TypeRS-232
Interface StandardsEIA-232|RS-232
Data Transmission TopologyPoint-to-Point
Number of Transceivers1
Number of Transmitters2
Number of Receivers2
Transmitter Signal TypeSingle-Ended
Receiver Signal TypeSingle-Ended
Number of Drivers per Line1
Number of Receivers per Line1
Driving ModeNo
Number of Transmitter Enables0
Number of Receiver Enables0
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Power Supply TypeSingle
Typical Single Supply Voltage (V)5
Maximum Supply Current (mA)16
Supplier Temperature GradeIndustrial
Pin Count18
Supplier PackageSOIC W
Standard Package NameSOP
MountingSurface Mount
Package Height2.34(Max)
Package Length11.76(Max)
Package Width7.6(Max)
PCB changed18
Lead ShapeGull-wing
LT1180A/LT1181A
Low Power 5V RS232
Dual Driver/Receiver with
0.1µF Capacitors
FEATURES
s
s
s
s
s
s
s
s
s
DESCRIPTIO
s
s
s
s
ESD Protection over
±10kV
Uses Small Capacitors: 0.1µF
120kBaud Operation for R
L
= 3k, C
L
= 2500pF
250kBaud Operation for R
L
= 3k, C
L
= 1000pF
Outputs Withstand
±30V
Without Damage
CMOS Comparable Low Power: 40mW
Operates from a Single 5V Supply
Rugged Bipolar Design
Outputs Assume a High Impedance State When Off
or Powered Down
Meets All RS232 Specifications
Available With or Without Shutdown
Absolutely No Latch-up
Available in SO Package
APPLICATIO S
s
s
s
s
s
Portable Computers
Battery-Powered Systems
Power Supply Generator
Terminals
Modems
The LT
®
1180A/LT1181A are dual RS232 driver/receiver
pairs with integral charge pump to generate RS232 volt-
age levels from a single 5V supply. These circuits feature
rugged bipolar design to provide operating fault tolerance
and ESD protection unmatched by competing CMOS
designs. Using only 0.1µF external capacitors, these cir-
cuits consume only 40mW of power, and can operate to
120k baud even while driving heavy capacitive loads. New
ESD structures on the chip allow the LT1180A/LT1181A to
survive multiple
±10kV
strikes, eliminating the need for
costly TransZorbs
®
on the RS232 line pins. The LT1180A/
LT1181A are fully compliant with EIA RS232 standards.
Driver outputs are protected from overload, and can be
shorted to ground or up to
±30V
without damage. During
shutdown or power-off conditions, driver and receiver
outputs are in a high impedance state, allowing line
sharing.
The LT1181A is available in 16-pin DIP and SO packages.
The LT1180A is supplied in 18-pin DIP and SO packages
for applications which require shutdown.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TransZorb is a registered trademark of General Instruments, GSI
TYPICAL APPLICATIO
+
0.1µF
2
4
LT1180A
17
3
5V INPUT
+
0.1µF
7
0.1µF
15
8
14
5k
10
18
5k
9
16
V
+
OUT
DRIVER
OUTPUT
R
L
= 3k
C
L
= 2500pF
+
0.1µF
5
6
12
V
OUT
RS232 OUTPUT
RS232 OUTPUT
RS232 INPUT
LOGIC
INPUTS
11
13
RECEIVER
OUTPUT
R
C
L
= 50pF
INPUT
LOGIC
OUTPUTS
RS232 INPUT
ON/OFF
LT1180A • TA01
U
Output Waveforms
LT1180A • TA02
U
+
U
11801afb
1

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Description Dual Transmitter/Receiver RS-232 18-Pin SOIC W Dual Transmitter/Receiver RS-232 18-Pin SO W Dual Transmitter/Receiver RS-232 18-Pin SOIC W Tube Dual Transmitter/Receiver RS-232 18-Pin SOIC W T/R Dual Transmitter/Receiver RS-232 18-Pin SOIC W Tube Dual Transmitter/Receiver RS-232 18-Pin SOIC W T/R Dual Transmitter/Receiver RS-232 18-Pin SOIC W T/R
EU restricts the use of certain hazardous substances Not Compliant Not Compliant Compliant Compliant Compliant Not Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Unconfirmed Unconfirmed Active Active Active Unconfirmed Active
Function Line Transceiver Line Transceiver Line Transceiver Line Transceiver Line Transceiver Line Transceiver Line Transceiver
Data Rate 250KBd(Min) 250KBd(Min) 250KBd(Min) 250KBd(Min) 250KBd(Min) 250KBd(Min) 250KBd(Min)
Transmitter Communication Type RS-232 RS-232 RS-232 RS-232 RS-232 RS-232 RS-232
Receiver Communication Type RS-232 RS-232 RS-232 RS-232 RS-232 RS-232 RS-232
Interface Standards EIA-232|RS-232 EIA-232|RS-232 EIA-232|RS-232 EIA-232|RS-232 EIA-232|RS-232 EIA-232|RS-232 EIA-232|RS-232
Data Transmission Topology Point-to-Point Point-to-Point Point-to-Point Point-to-Point Point-to-Point Point-to-Point Point-to-Point
Number of Transceivers 1 1 1 1 1 1 1
Number of Transmitters 2 2 2 2 2 2 2
Number of Receivers 2 2 2 2 2 2 2
Transmitter Signal Type Single-Ended Single-Ended Single-Ended Single-Ended Single-Ended Single-Ended Single-Ended
Receiver Signal Type Single-Ended Single-Ended Single-Ended Single-Ended Single-Ended Single-Ended Single-Ended
Number of Drivers per Line 1 1 1 1 1 1 1
Number of Receivers per Line 1 1 1 1 1 1 1
Driving Mode No No No No No No No
Minimum Operating Temperature (°C) -40 - - - -40 -40 -40
Maximum Operating Temperature (°C) 85 70 70 70 85 85 85
Power Supply Type Single Single Single Single Single Single Single
Typical Single Supply Voltage (V) 5 5 5 5 5 5 5
Maximum Supply Current (mA) 16 16 16 16 16 16 16
Supplier Temperature Grade Industrial Commercial Commercial Commercial Industrial Industrial Industrial
Pin Count 18 18 18 18 18 18 18
Supplier Package SOIC W SO W SOIC W SOIC W SOIC W SOIC W SOIC W
Standard Package Name SOP SOP SOP SOP SOP SOP SOP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 2.34(Max) 2.34(Max) 2.34(Max) 2.34(Max) 2.34(Max) 2.34(Max) 2.34(Max)
Package Length 11.76(Max) 11.76(Max) 11.76(Max) 11.76(Max) 11.76(Max) 11.76(Max) 11.76(Max)
Package Width 7.6(Max) 7.6(Max) 7.6(Max) 7.6(Max) 7.6(Max) 7.6(Max) 7.6(Max)
PCB changed 18 18 18 18 18 18 18
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing
HTS 8542.39.00.01 - 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 -
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