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LTC487CSW#PBF

Description
RS-485 Interface IC Quad Low Pwr RS485 Driver
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size160KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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LTC487CSW#PBF Overview

RS-485 Interface IC Quad Low Pwr RS485 Driver

LTC487CSW#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
package instructionSOP,
Contacts16
Manufacturer packaging code05-08-1620 (SW16)
Reach Compliance Codecompliant
Differential outputYES
Number of drives4
Input propertiesSTANDARD
Interface integrated circuit typeLINE DRIVER
Interface standardsEIA-422; EIA-485
JESD-30 codeR-PDSO-G16
JESD-609 codee3
length10.299 mm
Humidity sensitivity level1
Number of functions4
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height2.642 mm
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
maximum transmission delay50 ns
width7.493 mm
Base Number Matches1
LTC487
Quad Low Power
RS485 Driver
FeaTures
n
n
n
n
DescripTion
The LTC
®
487 is a low power differential bus/line driver
designed for multipoint data transmission standard RS485
applications with extended common mode range (– 7V to
12V). It also meets RS422 requirements.
The CMOS design offers significant power savings over
its bipolar counterpart without sacrificing ruggedness
against overload or ESD damage.
The driver features three-state outputs, with the driver
outputs maintaining high impedance over the entire com-
mon 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.
Both AC and DC specifications are guaranteed from 0°C to
70°C (Commercial), –40°C to 85°C (Industrial) and over
the 4.75V to 5.25V supply voltage range.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
n
n
n
n
n
Very Low Power: I
CC
= 110µA Typ
Designed for RS485 or RS422 Applications
Single 5V Supply
– 7V to 12V Bus Common Mode Range Permits ±7V
GND Difference Between Devices on the Bus
Thermal Shutdown Protection
Power-Up/Down Glitch-Free Driver Outputs Permit
Live Insertion/Removal of Package
Driver Maintains High Impedance in Three-State or
with the Power Off
28ns Typical Driver Propagation Delays with
5ns Skew
Pin Compatible with the SN75174, DS96174,
µA96174, and DS96F174
applicaTions
n
n
Low Power RS485/RS422 Drivers
Level Translator
Typical applicaTion
RS485 Cable Length Specification*
10k
EN 12
4
2
DI
1
DRIVER
3
1/4 LTC487
LTC487 TA01
EN 12
4
2
120
4000 FT BELDEN 9841
120
1
RECEIVER
3
RO
CABLE LENGTH (FT)
1k
1/4 LTC489
100
10
10k
100k
1M
2.5M
10M
DATA RATE (bps)
LTC487 TA09
* APPLIES FOR 24 GAUGE, POLYETHYLENE
DIELECTRIC TWISTED PAIR
487fc


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Description RS-485 Interface IC Quad Low Pwr RS485 Driver RS-485 Interface IC LTC487 - Quad Low Power RS485 Driver RS-485 Interface IC LTC487 - Quad Low Power RS485 Driver RS-485 Interface IC Quad Low Pwr RS485 Driver RS-485 Interface IC LTC487 - Quad Low Power RS485 Driver RS-485 Interface IC Quad Low Pwr RS485 Driver RS-485 Interface IC Quad Low Pwr RS485 Driver RS-485 Interface IC Quad Low Pwr RS485 Driver RS-485 interface IC Quad Low Pwr RS485 Driver
Is it Rohs certified? conform to incompatible incompatible conform to incompatible conform to conform to conform to conform to
package instruction SOP, SOP, SOP, SOP, SOP, SOP, DIP, DIP, SOP,
Reach Compliance Code compliant not_compliant not_compliant compliant not_compliant compliant compliant compliant compliant
Brand Name 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
Contacts 16 - - 16 - 16 16 16 16
Manufacturer packaging code 05-08-1620 (SW16) - - 05-08-1620 (SW16) - 05-08-1620 (SW16) 05-08-1510 (N16) 05-08-1510 (N16) 05-08-1620 (SW16)
Differential output YES - YES - - YES YES YES -
Number of drives 4 - 4 - - 4 4 4 -
Input properties STANDARD - STANDARD - - STANDARD STANDARD STANDARD -
Interface integrated circuit type LINE DRIVER - LINE DRIVER - - LINE DRIVER LINE TRANSCEIVER LINE DRIVER -
Interface standards EIA-422; EIA-485 - EIA-449; EIA-530; V.35 - - EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 -
JESD-30 code R-PDSO-G16 - R-PDSO-G16 - - R-PDSO-G16 R-PDIP-T16 R-PDIP-T16 -
JESD-609 code e3 - e0 - - e3 e3 e3 -
Humidity sensitivity level 1 - 1 - - 1 1 1 -
Number of functions 4 - 1 - - 4 4 4 -
Number of terminals 16 - 16 - - 16 16 16 -
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code SOP - SOP - - SOP DIP DIP -
Package shape RECTANGULAR - RECTANGULAR - - RECTANGULAR RECTANGULAR RECTANGULAR -
Package form SMALL OUTLINE - SMALL OUTLINE - - SMALL OUTLINE IN-LINE IN-LINE -
Peak Reflow Temperature (Celsius) 260 - 235 - - 260 NOT SPECIFIED NOT SPECIFIED -
Certification status Not Qualified - Not Qualified - - Not Qualified Not Qualified Not Qualified -
Maximum seat height 2.642 mm - 2.65 mm - - 2.642 mm 3.81 mm 3.81 mm -
Nominal supply voltage 5 V - 5 V - - 5 V 5 V 5 V -
surface mount YES - YES - - YES NO NO -
technology CMOS - CMOS - - CMOS CMOS CMOS -
Terminal surface MATTE TIN - Tin/Lead (Sn/Pb) - - Matte Tin (Sn) MATTE TIN (SN) MATTE TIN (SN) -
Terminal form GULL WING - GULL WING - - GULL WING THROUGH-HOLE THROUGH-HOLE -
Terminal pitch 1.27 mm - 1.27 mm - - 1.27 mm 2.54 mm 2.54 mm -
Terminal location DUAL - DUAL - - DUAL DUAL DUAL -
Maximum time at peak reflow temperature 30 - 20 - - 30 NOT SPECIFIED NOT SPECIFIED -
width 7.493 mm - 7.5 mm - - 7.493 mm 7.62 mm 7.62 mm -
Maker - ADI ADI ADI ADI ADI - - ADI
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