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Datasheet> All Categories > Analog mixed-signal IC> Drivers and interfaces> MAX1483CUA+T
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MAX1483CUA+T

Description
RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size592KB，14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
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MAX1483CUA+T Overview

RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers

MAX1483CUA+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOIC
package instructionTSSOP, TSSOP8,.19
Contacts8
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time6 weeks
Other featuresCOMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER
Differential outputYES
Number of drives1
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-422; EIA-485
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Minimum output swing5 V
Output characteristics3-STATE
Maximum output low current0.004 A
Output polarityCOMPLEMENTARY
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum receive delay2250 ns
Number of receiver bits1
Maximum seat height1.1 mm
Maximum slew rate0.085 mA
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
maximum transmission delay2000 ns
width3 mm

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Download Datasheet
19-0367; Rev 1; 5/06
20µA,
1
⁄
8
-Unit-Load, Slew-Rate-Limited
RS-485 Transceivers
_______________General Description
The MAX1482 and MAX1483 are low-power trans-
ceivers for RS-485 and RS-422 communication. Both
feature slew-rate-limited drivers that minimize EMI and
reduce reflections caused by improperly terminated
cables. Data rates are guaranteed up to 250kbps.
The MAX1482/MAX1483 draw only 20µA of supply cur-
rent. Additionally, they have a low-current shutdown
mode that consumes only 0.1µA. Both parts operate
from a single +5V supply.
Drivers are short-circuit current limited and are protect-
ed against excessive power dissipation by thermal
shutdown circuitry that places the driver outputs into a
high-impedance state. The receiver input has a fail-safe
feature that guarantees a logic-high output if the input
is open circuit.
The MAX1482 is full duplex and the MAX1483 is half
duplex. Both parts have a
1
⁄
8
-unit-load input impedance
that guarantees up to 256 transceivers on the bus.
____________________________Features
♦
Low 20µA Operating Current
♦
Slew-Rate Limited for Reduced EMI and
Reduced Reflections
♦
0.1µA Low-Current Shutdown Mode
♦
Designed for RS-485 and RS-422 Applications
♦
Operate from a Single +5V Supply
♦
-7V to +12V Common-Mode Input Voltage Range
♦
Allows up to 256 Transceivers on the Bus—
Guaranteed (
1
⁄
8
-unit load)
♦
Current Limiting and Thermal Shutdown for
Driver Overload Protection
MAX1482/MAX1483
Ordering Information
PART
MAX1482CPD
MAX1482CSD
MAX1482EPD
MAX1482ESD
MAX1483CPA
MAX1483CSA
MAX1483CUA
MAX1483EPA
MAX1483ESA
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
14 PDIP
14 SO
14 PDIP
14 SO
8 PDIP
8 SO
8 µMAX
®
8 PDIP
8 SO
PKG
CODE
P14-3
S14-4
P14-3
S14-4
P8-1
S8-5
U8-1
P8-1
S8-5
________________________Applications
Low-Power RS-485/RS-422 Networks
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
Large 256-Node LANs
_________Typical Operating Circuits
_________________Pin Configurations
TOP VIEW
RO
1
R
8
7
6
D
5
V
CC
B
A
GND
+5V
RE
2
DE
MAX1483
RO
1
R
RE
2
DE
3
DI
4
D
8
7
B
Rt
6
A
5
GND
A
R
RE
V
CC
B
Rt
D
DE
3
DI
DI
4
DIP/SO
RO
B
V
CC
RO
1
2
3
8
A
GND
DI
DE
MAX1483
7
6
5
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM
DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
RE
4
µMAX
MAX1482 appears at end of data sheet.
µMAX is a registered trademark of Maxim Integrated products, Inc.
MAX1482 appears at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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Description RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers RS-485 interface IC slew-rate-limited RS-485 transceivers RS-485 interface IC slew-rate-limited RS-485 transceivers RS-422/RS-485 interface IC slew-rate-limited RS-485 transceivers
Is it lead-free? Lead free Lead free Lead free Lead free Lead free Lead free Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to conform to conform to conform to conform to conform to conform to conform to
Parts packaging code SOIC DIP SOIC SOIC SOIC DIP SOIC SOIC SOIC DIP
package instruction TSSOP, TSSOP8,.19 0.300 INCH, LEAD FREE, PLASTIC, MS-001AB, DIP-8 0.150 INCH, LEAD FREE, MS-012AB, SOP-14 TSSOP, TSSOP8,.19 0.150 INCH, LEAD FREE, SO-8 DIP, DIP8,.3 0.150 INCH, LEAD FREE, SO-8 TSSOP, SOP, SOP14,.25 DIP, DIP14,.3
Contacts 8 8 14 8 8 8 8 8 14 14
Reach Compliance Code compli compliant compliant compli compliant compli compliant compli compli compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Other features COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER
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 S-PDSO-G8 R-PDIP-T8 R-PDSO-G14 S-PDSO-G8 R-PDSO-G8 R-PDIP-T8 R-PDSO-G8 S-PDSO-G8 R-PDSO-G14 R-PDIP-T14
JESD-609 code e3 e3 e3 e3 e3 e3 e3 e3 e3 e3
length 3 mm 9.375 mm 8.65 mm 3 mm 4.9 mm 9.375 mm 4.9 mm 3 mm 8.65 mm 19.05 mm
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 14 8 8 8 8 8 14 14
Maximum operating temperature 70 °C 70 °C 85 °C 70 °C 85 °C 85 °C 70 °C 70 °C 70 °C 70 °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 TSSOP DIP SOP TSSOP SOP DIP SOP TSSOP SOP DIP
Package shape SQUARE RECTANGULAR RECTANGULAR SQUARE RECTANGULAR RECTANGULAR RECTANGULAR SQUARE RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH IN-LINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE IN-LINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Celsius) 260 260 260 260 260 260 260 260 260 260
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 2250 ns 2250 ns 2250 ns 2250 ns 2250 ns 2250 ns 2250 ns 2250 ns 2250 ns 2250 ns
Number of receiver bits 1 1 1 1 1 1 1 1 1 1
Maximum seat height 1.1 mm 4.572 mm 1.75 mm 1.1 mm 1.75 mm 4.572 mm 1.75 mm 1.1 mm 1.75 mm 4.572 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 NO YES YES YES NO YES YES YES NO
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING THROUGH-HOLE GULL WING GULL WING GULL WING THROUGH-HOLE GULL WING GULL WING GULL WING THROUGH-HOLE
Terminal pitch 0.65 mm 2.54 mm 1.27 mm 0.65 mm 1.27 mm 2.54 mm 1.27 mm 0.65 mm 1.27 mm 2.54 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 30 30 30 30 30 30 NOT SPECIFIED 30 30
maximum transmission delay 2000 ns 2000 ns 2000 ns 2000 ns 2000 ns 2000 ns 2000 ns 2000 ns 2000 ns 2000 ns
width 3 mm 7.62 mm 3.9 mm 3 mm 3.9 mm 7.62 mm 3.9 mm 3 mm 3.9 mm 7.62 mm
Maker Maxim Maxim Maxim - Maxim - Maxim Maxim - -
Factory Lead Time 6 weeks 6 weeks 6 weeks - 7 weeks 6 weeks 6 weeks - - 6 weeks
Minimum output swing 5 V 5 V 5 V 5 V 5 V 5 V 5 V - 5 V 5 V
Output characteristics 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE - 3-STATE 3-STATE
Maximum output low current 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A - 0.004 A 0.004 A
Output polarity COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY - COMPLEMENTARY COMPLEMENTARY
Encapsulate equivalent code TSSOP8,.19 DIP8,.3 SOP14,.25 TSSOP8,.19 SOP8,.25 DIP8,.3 SOP8,.25 - SOP14,.25 DIP14,.3
power supply 5 V 5 V 5 V 5 V 5 V 5 V 5 V - 5 V 5 V
Maximum slew rate 0.085 mA 0.085 mA 0.045 mA 0.085 mA 0.085 mA 0.085 mA 0.085 mA - 0.045 mA 0.045 mA
Is Samacsys - N N N N N N - N -
Base Number Matches - 1 1 1 1 1 1 - 1 1

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