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LTC1350CSW

Description
RS-232 Interface IC LTC1350 - 3.3V Low Power EIA/TIA-562 3-Driver/5-Receiver Transceiver
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size109KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC1350CSW Overview

RS-232 Interface IC LTC1350 - 3.3V Low Power EIA/TIA-562 3-Driver/5-Receiver Transceiver

LTC1350CSW Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
package instruction0.300 INCH, PLASTIC, SOP-28
Reach Compliance Codenot_compliant
ECCN codeEAR99
Is SamacsysN
Other features2 RECEIVERS ACTIVE UNDER SHUTDOWN; EXTERNAL CHARGE PUMP
Differential outputNO
Number of drives3
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232; EIA-562; TIA-562
JESD-30 codeR-PDSO-G28
JESD-609 codee0
length17.89 mm
Humidity sensitivity level1
Number of functions3
Number of terminals28
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum receive delay800 ns
Number of receiver bits5
Maximum seat height2.642 mm
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
maximum transmission delay3500 ns
width7.493 mm
Base Number Matches1
LTC1350
3.3V Low Power
EIA/TIA-562 3-Driver/
5-Receiver Transceiver
FEATURES
DESCRIPTIO
Low Supply Current: 300µA
Receivers 4 and 5 Kept Alive
in Shutdown: 35µA
ESD Protection:
±10kV
Operates from a Single 3.3V Supply
Uses Small Capacitors: 0.1µF
Operates to 120kBaud
Three-State Outputs are High Impedance
When Off
Output Overvoltage Does Not Force Current
Back into Supplies
EIA/TIA-562 I/O Lines Can Be Forced to
±25V
Without Damage
Flowthrough Architecture
The LTC
®
1350 is a 3-driver/5-receiver EIA/TIA-562
transceiver with very low supply current. In the no load
condition, the supply current is only 300µA. The charge
pump only requires four 0.1µF capacitors.
In Shutdown mode, two receivers are kept alive and the
supply current is only 35µA. All RS232 outputs assume
a high impedance state in Shutdown or with the power
off.
The LTC1350 is fully compliant with all data rate and
overvoltage EIA/TIA-562 specifications. The transceiver
can operate up to 120kbaud with a 1000pF and 3kΩ load.
Both driver outputs and receiver inputs can be forced to
±25V
without damage and can survive multiple
±10kV
ESD strikes.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
Notebook Computers
Palmtop Computers
TYPICAL APPLICATIO
V
+
V
CC
C1
+
C1
DR1 OUT
RX1 IN
DR2 OUT
RX2 IN
RX3 IN
RX4 IN
DR3 OUT
RX5 IN
ON/OFF
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LTC1350
3-Drivers/5-Receivers with Shutdown
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LTC1350 • TA01
Quiescent and Shutdown Supply Current
vs Temperature
600
500
QUIESCENT CURRENT (µA)
V
C2
+
C2
DR1 IN
RX1 OUT
DR2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DR3 IN
RX5 OUT
GND
NC
NC
TEST CONDITION: V
CC
= 3.3V
ALL DRIVER INPUTS TIED TO V
CC
400
300
200
100
0
–40 –20
U
85
75
65
55
45
SHUTDOWN CURRENT
35
0
100
SHUTDOWN CURRENT (µA)
U
U
QUIESCENT
CURRENT
40
20
60
0
TEMPERATURE (˚C)
80
LTC1350 • TA02
1350fa
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