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LTC1482CS8

Description
Single Transmitter/Receiver RS-485 8-Pin SOIC N
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size208KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LTC1482CS8 Overview

Single Transmitter/Receiver RS-485 8-Pin SOIC N

LTC1482CS8 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instructionSOP,
Reach Compliance Codenot_compliant
ECCN codeEAR99
Differential outputYES
Number of drives1
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-422; EIA-485
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9025 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
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 delay200 ns
Number of receiver bits1
Maximum seat height1.752 mm
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 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 delay60 ns
width3.899 mm
LTC1482
Low Power RS485 Transceiver
with Carrier Detect and
Receiver Fail-Safe
DESCRIPTIO
The LTC
®
1482 is a low power RS485 compatible trans-
ceiver that offers an active low carrier detect output. The
open-drain carrier detect pin allows several transceivers
to share the same carrier detect line and can be used to
detect the insertion or removal of a driven RS485/RS422
cable.
Enhanced ESD protection allows the LTC1482 to with-
stand
±15kV
(human body model), IEC-1000-4-2 level 4
(±8kV) contact and level 3 (±8kV) air discharge ESD
without latchup or damage.
The LTC1482 receiver stays alive at all times except in
shutdown. The supply current is a maximum of 700µA
and 900µA when the driver is disabled and enabled
respectively. In shutdown, the quiescent current of the
LTC1482 drops to a maximum of 20µA.
When the driver is disabled or the LTC1482 is in shut-
down, the driver outputs are three-stated and remain in
a high impedance state over the RS485 common mode
range.
Excessive power dissipation caused by bus contention or
faults is prevented by a thermal shutdown circuit, which
forces the driver outputs into a high impedance state.
The LTC1482 is fully specified over the commercial and
industrial temperature ranges and is available in 8-lead
MSOP, PDIP and SO packages.
FEATURES
s
s
s
s
s
s
s
s
s
s
s
s
s
No Damage or Latchup to
±
15kV (Human Body
Model), IEC1000-4-2 Level 4 (
±
8kV) Contact and
Level 3 (
±
8kV) Air Discharge
Active Low Carrier Detect Output
Guaranteed High Receiver Output State for
Floating, Shorted or Terminated Inputs with
No Signal Present
Drives Low Cost Residential Telephone Wires
Low Power: I
CC
= 700µA Max with Driver Disabled
I
CC
= 900µA Max in Driver Mode Without Load
20µA Max Quiescent Current in Shutdown Mode
Single 5V Supply
– 7V to 12V Common Mode Range Permits
±7V
Ground Difference Between Devices on the Data Line
Maximum Data Rate of 4Mbps
Power Up/Down Glitch-Free Driver Outputs
Up to 32 Transceivers on the Bus
Available in 8-Lead
MSOP,
PDIP and SO Packages
APPLICATIO S
s
s
s
Battery-Powered RS485/RS422 Applications
Low Power RS485/RS422 Transceiver
Level Translator
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
LTC1482
RO1
CD1
DE1
D
DI1/SHDN1
GND1
R
B1
A1
V
CC1
Carrier Detect Output (2000 Foot STP Cable)
RS485 Interface
DE1
LTC1482
V
CC2
B2
120Ω
120Ω
GND2
1482 TA01
RO2
R
CD2
DE2
D
DI2/SHDN2
CD2
A2
B2
A2
DE1
↑↓
DE2 = 0
1k PULL-UP AT CD
U
U
U
Dl1 = V
CC
Dl2 = V
CC
1482 TA01a
1

LTC1482CS8 Related Products

LTC1482CS8 LTC1482CMS8#PBF LTC1482CMS8#TRPBF LTC1482CMS8 LTC1482CN8#PBF LTC1482CS8#PBF LTC1482CS8#TRPBF LTC1482IN8#PBF LTC1482IS8#PBF LTC1482IS8#TRPBF
Description Single Transmitter/Receiver RS-485 8-Pin SOIC N Single Transmitter/Receiver RS-485 8-Pin MSOP Tube Single Transmitter/Receiver RS-485 8-Pin MSOP T/R Single Transmitter/Receiver RS-485 8-Pin MSOP Single Transmitter/Receiver RS-485 8-Pin PDIP N Tube Single Transmitter/Receiver RS-485 8-Pin SOIC N Tube Single Transmitter/Receiver RS-485 8-Pin SOIC N T/R Single Transmitter/Receiver RS-485 8-Pin PDIP N Tube Single Transmitter/Receiver RS-485 8-Pin SOIC N Tube Single Transmitter/Receiver RS-485 8-Pin SOIC N T/R
Is it Rohs certified? incompatible conform to conform to incompatible conform to conform to conform to conform to conform to conform to
Maker ADI ADI ADI ADI ADI ADI ADI ADI ADI ADI
package instruction SOP, TSSOP, TSSOP, TSSOP, DIP, SOP, SOP, DIP, SOP, SOP,
Reach Compliance Code not_compliant compliant compliant not_compliant compliant compliant compliant compliant compliant compliant
Differential output YES YES YES YES YES YES YES YES YES YES
Number of drives 1 1 1 1 1 1 1 1 1 1
Input properties DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit type LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER
Interface standards EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485
JESD-30 code R-PDSO-G8 S-PDSO-G8 S-PDSO-G8 S-PDSO-G8 R-PDIP-T8 R-PDSO-G8 R-PDSO-G8 R-PDIP-T8 R-PDSO-G8 R-PDSO-G8
JESD-609 code e0 e3 e3 e0 e3 e3 e3 e3 e3 e3
Humidity sensitivity level 1 1 1 1 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8 8 8 8 8
Maximum operating temperature 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 85 °C 85 °C 85 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP TSSOP TSSOP TSSOP DIP SOP SOP DIP SOP SOP
Package shape RECTANGULAR SQUARE SQUARE SQUARE RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH IN-LINE SMALL OUTLINE SMALL OUTLINE IN-LINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 235 260 260 235 NOT SPECIFIED 260 250 NOT SPECIFIED 260 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum receive delay 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns
Number of receiver bits 1 1 1 1 1 1 1 1 1 1
Maximum seat height 1.752 mm 1.1 mm 1.17 mm 1.17 mm 3.937 mm 1.75 mm 1.75 mm 3.937 mm 1.75 mm 1.752 mm
Maximum supply voltage 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V
Minimum supply voltage 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V
Nominal supply voltage 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
surface mount YES YES YES YES NO YES YES NO YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE GULL WING GULL WING THROUGH-HOLE GULL WING GULL WING
Terminal pitch 1.27 mm 0.65 mm 0.65 mm 0.65 mm 2.54 mm 1.27 mm 1.27 mm 2.54 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 30 30 20 NOT SPECIFIED 30 NOT SPECIFIED NOT SPECIFIED 30 30
maximum transmission delay 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns
width 3.899 mm 3 mm 3 mm 3 mm 7.62 mm 3.9 mm 3.9 mm 7.62 mm 3.9 mm 3.899 mm
length 4.9025 mm 3 mm 3 mm 3 mm - 4.9 mm 4.9 mm - 4.9 mm 4.9025 mm
Brand Name - Analog Devices Inc Analog Devices Inc - Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc
Is it lead-free? - Contains lead Contains lead - Contains lead Contains lead Contains lead Contains lead Contains lead Contains lead
Contacts - 8 8 - 8 8 8 8 8 8
Manufacturer packaging code - 05-08-1660 05-08-1660 - 05-08-1510 (N8) 05-08-1610 (S8) 05-08-1610 (S8) 05-08-1510 (N8) 05-08-1610 (S8) 05-08-1610 (S8)
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