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MAX1487ECPA+MAXN/a40avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487ECSA+ |MAX1487ECSAMAXN/a1avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487ECSA+TMAXIMN/a18846avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487EEPA+ |MAX1487EEPAMAXN/a1avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487EEPA+ |MAX1487EEPAMAXIMN/a9821avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487EESA+ |MAX1487EESAMAXIMN/a70avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487EESA+TMAXIMN/a20000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487EPA+ |MAX1487EPAMAXIM N/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487ESA+ |MAX1487ESAMAXIMN/a300avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX1487ESA+T |MAX1487ESATMAXN/a900avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481ECPA+ |MAX481ECPAMAXIMN/a2065avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481ECSA+ |MAX481ECSAMAXIMN/a282avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481ECSA+T |MAX481ECSATMAXIMN/a3757avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481EEPA+ |MAX481EEPAMAX N/a80avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481EEPA+ |MAX481EEPAMAXIMN/a519avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481EESA+MAXIMN/a4500avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481EESA+TMAXN/a1790avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481EPA+ |MAX481EPAMAXIMN/a789avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481ESA+ |MAX481ESAMAXN/a569avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481ESA+ |MAX481ESAMAXIMN/a510avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX481ESA+TMAXIMN/a1632avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483ECPA+ |MAX483ECPAMAXIMN/a2000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483ECSA+MAXIMN/a2800avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483ECSA+TMAXIMN/a8000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483EEPA+ |MAX483EEPAMAXIMN/a2000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483EEPA+ |MAX483EEPAMAX N/a600avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483EESA+ |MAX483EESAMAXIMN/a655avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483EESA+T |MAX483EESATMAXIMN/a2500avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483EESA-T |MAX483EESATMAXIMN/a864avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483EPA+MAXIMN/a5820avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483ESA+MAXIMN/a3100avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX483ESA+T |MAX483ESATMAXN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485ECPA+MAXIMN/a2000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485ECSA+MAXIMN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485ECSA+T |MAX485ECSATMAXN/a2500avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485EEPA+ |MAX485EEPAMAX N/a760avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485EESA+ |MAX485EESAMAXIMN/a810avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485EESA+TMAXN/a2500avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485EESA-T |MAX485EESATMAXIMN/a4avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485EPA+ |MAX485EPAMAXIM N/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485ESA+MAXIMN/a58500avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX485ESA+T |MAX485ESATMAXIN/a393avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ECPA+MAXIMN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ECSA/T |MAX487ECSATMAXIMN/a21622avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ECSA+ |MAX487ECSAMAXIMN/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ECSA+TMAXIMN/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ECSA+T |MAX487ECSATMAXIN/a20avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ECSA-T |MAX487ECSATMAXN/a2214avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487EEPA+ |MAX487EEPAMAXIMN/a25400avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487EESA+ |MAX487EESAMAXIMN/a1940avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487EESA+TMAXN/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487EPA+ |MAX487EPAMAXIMN/a1503avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ESA+ |MAX487ESAMAXIMN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX487ESA+T |MAX487ESATMAXIMN/a18362avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488ECPA+ |MAX488ECPAMAXIMN/a1139avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488ECSA+MAXIMN/a2496avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488ECSA+T |MAX488ECSATMAXIMN/a2760avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488EEPA+ |MAX488EEPAMAXIMN/a2026avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488EESA+ |MAX488EESAMAXIMN/a250avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488EESA+T |MAX488EESATMAXIMN/a19365avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488EPA+ |MAX488EPAMAXIM N/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488ESA+ |MAX488ESAMAXIMN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX488ESA+T |MAX488ESATMAXIMN/a18191avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489ECPD+ |MAX489ECPDMAXIMN/a10560avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489ECSD+MAIXMN/a4000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489ECSD+ |MAX489ECSDMAXIMN/a210avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489ECSD+T |MAX489ECSDTMAXIM N/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489EEPD+ |MAX489EEPDMAXIMN/a613avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489EESD+MAXIMN/a3150avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489EESD+TMAXIMN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489EPD+MAXIMN/a12000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489ESD+MAXIMN/a8900avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX489ESD+T |MAX489ESDTMAXIM N/a10200avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490ECPA+ |MAX490ECPAMAXIMN/a2109avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490ECSA+ |MAX490ECSAMAXIMN/a250avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490ECSA+T |MAX490ECSATMAXIMN/a1641avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490EEPA+ |MAX490EEPAMAXIM N/a2050avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490EESA+ |MAX490EESAMAXIMN/a222avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490EESA+TMAXIMN/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490EPA+ |MAX490EPAMAXIMN/a1708avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490ESA+ |MAX490ESAMAXIMN/a450avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX490ESA+T |MAX490ESATMAXIM N/a7500avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491ECPD+ |MAX491ECPDMAXIMN/a1213avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491ECSD+ |MAX491ECSDMAXN/a12734avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491ECSD+T |MAX491ECSDTMAXIMN/a17000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491EEPD+ |MAX491EEPDMAX N/a200avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491EESD+MAXIMN/a3450avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491EESD+T |MAX491EESDTMAXIMN/a5000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491EPD+ |MAX491EPDMAXIMN/a1483avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491ESD+MAXIMN/a3300avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
MAX491ESD+T |MAX491ESDTMAXIM N/a10000avai±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers


MAX485ESA+ ,±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceiversapplications that are not ESD sensitive see the pin-and function-compatible MAX481, MAX483, MAX485, ..
MAX485ESA+T ,±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 TransceiversApplicationsPART TEMP RANGE PIN-PACKAGELow-Power RS-485 TransceiversMAX481ECPA 0°C to +70°C 8 Plast ..
MAX485MJA ,Low-Power / Slew-Rate-Limited RS-485/RS-422 TransceiversMAX481/MAX483/MAX485/MAX487–MAX491/MAX148719-0122; Rev 5; 2/96Low-Power, Slew-Rate-LimitedRS-485/RS ..
MAX487CPA ,Low-Power / Slew-Rate-Limited RS-485/RS-422 TransceiversMAX481/MAX483/MAX485/MAX487–MAX491/MAX148719-0122; Rev 5; 2/96Low-Power, Slew-Rate-LimitedRS-485/RS ..
MAX487CPA+ ,Low-Power, Slew-Rate-Limited RS-485/RS-422 TransceiversELECTRICAL CHARACTERISTICS(V = 5V ±5%, T = T to T , unless otherwise noted.) (Notes 1, 2)CC A MIN M ..
MAX487CSA ,Low-Power / Slew-Rate-Limited RS-485/RS-422 TransceiversApplications ______________Ordering InformationLow-Power RS-485 TransceiversPART TEMP. RANGE PIN-PA ..
MAX8890ETCDDD ,2.9 V, integrated cellular RF-section power-management ICELECTRICAL CHARACTERISTICS(V _ = 3.6V, EN_ = IN_, C = 6.8µF, C _ = 2.2µF, C = 0.01µF, all ceramic c ..
MAX8890ETCDDD+ ,Integrated Cellular RF-Section Power-Management ICFeaturesThe MAX8890 is a power-management IC intended for ♦ Three 100mA Low-Dropout Linear Regulato ..
MAX8890ETCDDD+T ,Integrated Cellular RF-Section Power-Management ICMAX889019-2075; Rev 2; 10/02Integrated Cellular RF-Section Pow er-Management IC
MAX8890ETCJJJ ,Integrated Cellular RF-Section Power-Management ICfeatures include short-circuit and thermal-over-MAX8890ETCxyz* -40°C to +85°C 12 (4mm x 4mm) QFNloa ..
MAX8893CEWV+T ,µPMICs for Multimedia Application Processors in a 3.0mm x 2.5mm WLPFeaturesThe MAX8893A/MAX8893B/MAX8893C power-manage- High-Efficiency Step-Down ConverterS ment inte ..
MAX8895WEWA+T ,Li-Ion Chargers with Smart Power Selector, Adapter Type Detection, and USB EnumerationFeaturesThe MAX8895_ USB-compliant linear battery chargers S Enables Charging from a USB Port*opera ..


MAX1487ECPA+-MAX1487ECSA+-MAX1487ECSA+T-MAX1487EEPA+-MAX1487EESA+-MAX1487EESA+T-MAX1487EPA+-MAX1487ESA+-MAX1487ESA+T-MAX481ECPA+-MAX481ECSA+-MAX481ECSA+T-MAX481EEPA+-MAX481EESA+-MAX481EESA+T-MAX481EPA+-MAX481ESA+-MAX481ESA+T-MAX483ECPA+-MAX483ECSA+-MAX483ECSA+T-MA
±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
AVAILABLE
General Description

The MAX481E, MAX483E, MAX485E, MAX487E–
MAX491E, and MAX1487E are low-power transceivers for
RS-485 and RS-422 communications in harsh environ-
ments. Each driver output and receiver input is protected
against ±15kV electro-static discharge (ESD) shocks,
without latchup. These parts contain one driver and one
receiver. The MAX483E, MAX487E, MAX488E, and
MAX489E feature reduced slew-rate drivers that minimize
EMI and reduce reflections caused by improperly termi-
nated cables, thus allowing error-free data transmission
up to 250kbps. The driver slew rates of the MAX481E,
MAX485E, MAX490E, MAX491E, and MAX1487E are not
limited, allowing them to transmit up to 2.5Mbps.
These transceivers draw as little as 120µA supply cur-
rent when unloaded or when fully loaded with disabled
drivers (see Selector Guide). Additionally, the MAX481E,
MAX483E, and MAX487E have a low-current shutdown
mode in which they consume only 0.5µA. All parts oper-
ate from a single +5V supply.
Drivers are short-circuit current limited, and are protected
against excessive power dissipation by thermal shutdown
circuitry that places their outputs into a high-impedance
state. The receiver input has a fail-safe feature that guar-
antees a logic-high output if the input is open circuit.
The MAX487E and MAX1487E feature quarter-unit-load
receiver input impedance, allowing up to 128 trans-
ceivers on the bus. The MAX488E–MAX491E are
designed for full-duplex communications, while the
MAX481E, MAX483E, MAX485E, MAX487E, and
MAX1487E are designed for half-duplex applications.
For applications that are not ESD sensitive see the pin-
and function-compatible MAX481, MAX483, MAX485,
MAX487–MAX491, and MAX1487.
Applications

Low-Power RS-485 Transceivers
Low-Power RS-422 Transceivers
Level Translators
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area NetworksFor Fault-Tolerant Applications:
MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4-
Unit Load, +3.3V, RS-485 Transceiver
MAX3080–MAX3089: Fail-Safe, High-Speed
(10Mbps), Slew-Rate-Limited, RS-485/RS-422
Transceivers
For Space-Constrained Applications:
MAX3460–MAX3464: +5V, Fail-Safe, 20Mbps,
Profibus, RS-485/RS-422 Transceivers
MAX3362: +3.3V, High-Speed, RS-485/RS-422
Transceiver in a SOT23 Package
MAX3280E–MAX3284E: ±15kV ESD-Protected,
52Mbps, +3V to +5.5V, SOT23, RS-485/RS-422
True Fail-Safe Receivers
MAX3030E–MAX3033E: ±15kV ESD-Protected,
+3.3V, Quad RS-422 Transmitters
For Multiple Transceiver Applications:
MAX3293/MAX3294/MAX3295: 20Mbps, +3.3V,
SOT23, RS-485/RS-422 Transmitters
For Fail-Safe Applications:
MAX3440E–MAX3444E: ±15kV ESD-Protected,
±60V Fault-Protected, 10Mbps, Fail-Safe
RS-485/J1708 Transceivers
For Low-Voltage Applications:
MAX3483E/MAX3485E/MAX3486E/MAX3488E/
MAX3490E/MAX3491E: +3.3V Powered, ±15kV
ESD-Protected, 12Mbps, Slew-Rate-Limited,
True RS-485/RS-422 Transceivers
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
Ordering Information
PARTTEMP RANGEPIN-PACKAGE
MAX481ECPA
0°C to +70°C8 Plastic DIP
MAX481ECSA0°C to +70°C8 SO
MAX481EEPA-40°C to +85°C8 Plastic DIP
MAX481EESA-40°C to +85°C8 SO
MAX483ECPA
0°C to +70°C8 Plastic DIP
MAX483ECSA0°C to +70°C8 SO
MAX483EEPA-40°C to +85°C8 Plastic DIP
MAX483EESA-40°C to +85°C8 SO
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.

MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers

Supply Voltage (VCC).............................................................12V
Control Input Voltage (–R—E–, DE)...................-0.5V to (VCC+ 0.5V)
Driver Input Voltage (DI).............................-0.5V to (VCC+ 0.5V)
Driver Output Voltage (Y, Z; A, B)..........................-8V to +12.5V
Receiver Input Voltage (A, B).................................-8V to +12.5V
Receiver Output Voltage (RO)....................-0.5V to (VCC+ 0.5V)
Continuous Power Dissipation (TA= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)....727mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C)..800mW
8-Pin SO (derate 5.88mW/°C above +70°C).................471mW
14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW
Operating Temperature Ranges
MAX4_ _C_ _/MAX1487EC_ A.............................0°C to +70°C
MAX4__E_ _/MAX1487EE_ A...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec).............................+300°C
DC ELECTRICAL CHARACTERISTICS

(VCC= 5V ±5%, TA= TMINto TMAX, unless otherwise noted.) (Notes 1, 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
PARAMETERSYMBOLMINTYPMAXUNITS

Driver Common-Mode Output
VoltageVOC3V
Change in Magnitude of Driver
Differential Output Voltage for
Complementary Output States
ΔVOD0.2V
Change in Magnitude of Driver
Common-Mode Output Voltage
for Complementary Output States
ΔVOD0.2V
Input High VoltageVIH2.0V
Input Low VoltageVIL0.8V
Input CurrentIIN1±2µA
Differential Driver Output (no load)VOD15VVDifferential Driver Output
(with load)VOD21.55
0.25mA-0.2
Receiver Differential Threshold
Voltage-0.20.2V
Receiver Input HysteresisΔVTH70mV
Receiver Output High VoltageVOH3.5
Receiver Output Low VoltageVOL0.4
Three-State (high impedance)
Output Current at ReceiverIOZR±1µAkΩ
CONDITIONS

DE = 0V;
VCC= 0V or 5.25V,
all devices except
MAX487E/MAX1487E
R = 27Ωor 50Ω, Figure 8
R = 27Ωor 50Ω, Figure 8
R = 27Ωor 50Ω, Figure 8
DE, DI, –R—E–
MAX487E/MAX1487E,
DE = 0V, VCC= 0V or 5.25V
DE, DI, –R—E–
DE, DI, –R—E–
-7V≤VCM≤12V
VCM= 0V= -4mA, VID= 200mV= 4mA, VID= -200mV
R = 50Ω(RS-422)
0.4V≤VO≤2.4V
R = 27Ω(RS-485), Figure 8
-7V≤VCM≤12V, all devices except
MAX487E/MAX1487E
Receiver Input ResistanceRIN
-7V≤VCM≤12V, MAX487E/MAX1487E48kΩ
VTH
IIN2Input Current
(A, B)
VIN= 12V
VIN= -7V
VIN= 12V
VIN= -7V
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E

(VCC= 5V ±5%, TA= TMINto TMAX, unless otherwise noted.) (Notes 1, 2)
DC ELECTRICAL CHARACTERISTICS (continued)

(VCC= 5V ±5%, TA= TMINto TMAX, unless otherwise noted.) (Notes 1, 2)7950V≤VO≤VCCIOSRReceiver Short-Circuit Current35250-7V≤VO≤12V (Note 4)IOSD2Driver Short-Circuit Current,= Low35250-7V≤VO≤12V (Note 4)IOSD1Driver Short-Circuit Current,= High
MAX1487E,–R—E–= 0V or VCC
CONDITIONSUNITSMINTYPMAXSYMBOLPARAMETER
MAX481E/MAX485E,–R—E–= 0V or VCC
MAX490E/MAX491E,
DE, DI, –R—E–= 0V or VCC300500
MAX488E/MAX489E,
DE, DI, –R—E–= 0V or VCC120250
DE = VCC
300500DE = 0V
DE = VCC
DE = 0VMAX481E/483E/487E, DE = 0V, –R—E–= VCC0.510ISHDNSupply Current in Shutdown
ICCNo-Load Supply Current
(Note 3)
DE = VCC
DE = 0V
MAX483E
MAX487EMAX483E/MAX487E,–R—E–= 0V or VCC
52025MAX490EC/E, MAX491EC/E
MAX481E, MAX485E, MAX1487E
Driver Rise or Fall TimetR, tF
32040Figures 10 and 12,
RDIFF= 54Ω,
CL1= CL2= 100pF
MAX490EC/E, MAX491EC/E
Figures 11 and 13, CL= 15pF, S2 closed
Figures 11 and 13, CL= 15pF, S1 closed
Figures 11 and 13, CL= 100pF, S1 closed
Figures 11 and 13, CL= 100pF, S2 closed
PARAMETERSYMBOLMINTYPMAXUNITS

Driver Enable to Output HightZH4570
Receiver Input to OutputtPLH, tPHL
Driver Output Skew to Output
Driver Enable to Output LowtZL4570ns
Driver Disable Time from LowtLZ4570tPLH- tPHL|Differential
Receiver Skew
Driver Disable Time from High
tSKD
tHZ4570ns60200
Receiver Enable to Output LowtZL2050Receiver Enable to Output High
Driver Input to Output
tZH2050Receiver Disable Time from LowtLZ2050
tPLH104060Receiver Disable Time from HightHZ2050
MbpsMaximum Data RatefMAX2.5Time to ShutdowntSHDN50200600
tSKEW510
CONDITIONS

Figures 10 and 14,
RDIFF= 54Ω,
CL1= CL2= 100pF
Figures 10 and 14, RDIFF= 54Ω,
CL1= CL2= 100pF
Figures 9 and 15, CRL= 15pF, S1 closed
Figures 9 and 15, CRL= 15pF, S2 closed
Figures 9 and 15, CRL= 15pF, S1 closed
Figures 9 and 15, CRL= 15pF, S2 closed
MAX481E (Note 5)
Figures 10 and 12, RDIFF= 54Ω,
CL1= CL2= 100pF
MAX481E, MAX485E, MAX1487E
Figures 10 and 12, RDIFF= 54Ω, CL1= CL2= 100pF
tPHL10406060150±15A, B, Y and Z pins, tested using Human Body ModelESD Protection
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX483E, MAX487E/MAX488E/MAX489E

(VCC= 5V ±5%, TA= TMINto TMAX, unless otherwise noted.) (Notes 1, 2)
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E
(continued)

(VCC= 5V ±5%, TA= TMINto TMAX, unless otherwise noted.) (Notes 1, 2)
Figures 11 and 13, CL= 100pF, S2 closed
Figures 11 and 13, CL= 100pF, S1 closed
Figures 9 and 15, CL= 15pF, S2 closed,
A - B = 2V
CONDITIONS
45100tZH(SHDN)Driver Enable from Shutdown to
Output High (MAX481E)Figures 9 and 15, CL= 15pF, S1 closed,
B - A = 2VtZL(SHDN)Receiver Enable from Shutdown
to Output Low (MAX481E)45100tZL(SHDN)Driver Enable from Shutdown to
Output Low (MAX481E)2251000tZH(SHDN)Receiver Enable from Shutdown
to Output High (MAX481E)
UNITSMINTYPMAXSYMBOLPARAMETER

tPLH
tSKEWFigures 10 and 12, RDIFF= 54Ω,
CL1= CL2= 100pF
tPHL
Figures 10 and 12, RDIFF= 54Ω,
CL1= CL2= 100pFDriver Input to Output
Driver Output Skew to Outputns208002000MAX483E/MAX487E, Figures 11 and 13,= 100pF, S2 closedtZH(SHDN)Driver Enable from Shutdown to
Output High
25020002500MAX483E/MAX487E,Figures 9 and 15,= 15pF, S1 closedtZL(SHDN)Receiver Enable from Shutdown
to Output Low 2500MAX483E/MAX487E,Figures 9 and 15,= 15pF, S2 closedtZH(SHDN)Receiver Enable from Shutdown
to Output High 2000MAX483E/MAX487E, Figures 11 and 13,= 100pF, S1 closedtZL(SHDN)Driver Enable from Shutdown to
Output Low 50200600MAX483E/MAX487E (Note 5) tSHDNTime to Shutdown
tPHL
tPLH, tPHL< 50% of data period
Figures 9 and 15, CRL= 15pF, S2 closed
Figures 9 and 15, CRL= 15pF, S1 closed
Figures 9 and 15, CRL= 15pF, S2 closed
Figures 9 and 15, CRL= 15pF, S1 closed
Figures 11 and 13, CL= 15pF, S2 closed
Figures 10 and 14, RDIFF= 54Ω,
CL1= CL2= 100pF
Figures 11 and 13, CL= 15pF, S1 closed
Figures 11 and 13, CL= 100pF, S1 closed
Figures 11 and 13, CL= 100pF, S2 closed
CONDITIONS

kbps250fMAX
Maximum Data Rate2550tHZReceiver Disable Time from High
250800200050tLZReceiver Disable Time from Low2550tZHReceiver Enable to Output High2550tZLReceiver Enable to Output Low
3003000tHZ
tSKD
Driver Disable Time from HightPLH- tPHLIDifferential
Receiver Skew
Figures 10 and 14, RDIFF= 54Ω,
CL1= CL2= 100pF3003000tLZDriver Disable Time from Low2502000tZLDriver Enable to Output Low
Figures 10 and 12, RDIFF= 54Ω,
CL1= CL2= 100pFns2502000tR, tF
Driver Rise or Fall Time
tPLHReceiver Input to Output
2502000tZHDriver Enable to Output High
UNITSMINTYPMAXSYMBOLPARAMETER

MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers

OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE

MAX481E-01
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
MAX481E-04
TEMPERATURE (°C)
OUTPUT LOW VOLTAGE (V)100-4040080
IRO = 8mA
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
MAX481E-02
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
MAX481E-03
TEMPERATURE (°C)
OUTPUT HIGH VOLTAGE (V)100-4040080
IRO = 8mA
DRIVER OUTPUT CURRENT vs.
DIFFERENTIAL OUTPUT VOLTAGE

MAX481E-05
DIFFERENTIAL OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
__________________________________________Typical Operating Characteristics
(VCC= 5V, TA= +25°C, unless otherwise noted.)
NOTES FOR ELECTRICAL/SWITCHING CHARACTERISTICS
Note 1:
All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device
ground unless otherwise specified.
Note 2:
All typical specifications are given for VCC= 5V and TA= +25°C.
Note 3:
Supply current specification is valid for loaded transmitters when DE = 0V.
Note 4:
Applies to peak current. See Typical Operating Characteristics.
Note 5:
The MAX481E/MAX483E/MAX487E are put into shutdown by bringing–R—E–high and DE low. If the inputs are in this state for
less than 50ns, the parts are guaranteed not to enter shutdown. If the inputs are in this state for at least 600ns, the parts are
guaranteed to have entered shutdown. See Low-Power Shutdown Modesection.
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
____________________________Typical Operating Characteristics (continued)

(VCC= 5V, TA= +25°C, unless otherwise noted.)
DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs. TEMPERATURE
MAX481E-06
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE (V)100-4040080
R = 54Ω
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
MAX481E-07
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)42-6-40
MAX481E/MAX485E/MAX490E/MAX491E
SUPPLY CURRENT vs. TEMPERATURE
MAX481E-09
TEMPERATURE (°C)
SUPPLY CURRENT (100-4040080
MAX481E/MAX485E; DE = VCC, RE = X
MAX485E; DE = 0, RE = X,
MAX481E; DE = RE = 0
MAX490E/MAX491E; DE = RE = X
MAX481E; DE = 0, RE = VCC
MAX483E/MAX487E–MAX489E
SUPPLY CURRENT vs. TEMPERATURE
MAX481E-10
TEMPERATURE (°C)
SUPPLY CURRENT (100-4040080
MAX483E; DE = VCC, RE = X
MAX487E; DE = VCC, RE = X
MAX483E/MAX487E; DE = 0, RE = VCC
MAX483E/MAX487E; DE = RE = 0,
MAX488E/MAX489E; DE = RE = X
MAX1487E
SUPPLY CURRENT vs. TEMPERATURE
MAX481E-11
TEMPERATURE (°C)
SUPPLY CURRENT (100-4040080
MAX1487E; DE = VCC, RE = X
MAX1487E; DE = 0V, RE = X
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
______________________________________________________________Pin Description
2Receiver Output: If A > B by 200mV, RO will be high;
If A < B by 200mV, RO will be low.—Receiver Output Enable. RO is enabled when–R—E–is
low; RO is high impedance when–R—E–is high.—
Driver Output Enable. The driver outputs, Y and Z, are
enabled by bringing DE high. They are high imped-
ance when DE is low. If the driver outputs are enabled,
the parts function as line drivers. While they are high
impedance, theyfunction as line receivers if–R—E–is low.3
Driver Input. A low on DI forces output Y low and out-
put Z high. Similarly, a high on DI forces output Y high
and output Z low.—Noninverting Receiver Input and Noninverting Driver
Output6Inverting Driver Output5Noninverting Driver Output4Ground—No Connect—not internally connected1Positive Supply: 4.75V ≤VCC≤5.25V7Inverting Receiver Input—Inverting Receiver Input and Inverting Driver Output8Noninverting Receiver Input
PIN

6, 7
1, 8, 13R—E–
GND
N.C.
VCC
FUNCTIONMAX489E
MAX491E
NAMEMAX488E
MAX490E
MAX481E/MAX483E
MAX485E/MAX487E
MAX1487E

MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers

MAX488EMAX490E
TOP VIEW
GND
VCC
DIP/SO

VCC
GNDGND
VCCD
0.1μF
NOTE: TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
MAX489EMAX491E
DIP/SO

TOP VIEW
VCC
GND
VCCRE
GNDDE
0.1μF
1, 8, 136, 74
VCC
N.C.
N.C.
N.C.
GND
GND
Figure 2. MAX488E/MAX490E Pin Configuration and Typical Operating Circuit
Figure 3. MAX489E/MAX491E Pin Configuration and Typical Operating Circuit
MAX481E
MAX483EMAX485EMAX487E
MAX1487E
TOP VIEW
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.
VCC
0.1μF
GNDDIRRtA
VCC
GNDDI
DIP/SO

Figure 1. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Pin Configuration and Typical Operating Circuit
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
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