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MAX489EPD

Description
LINE TRANSCEIVER, PDIP14
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size439KB,19 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX489EPD Overview

LINE TRANSCEIVER, PDIP14

MAX489EPD Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeDIP
package instructionDIP, DIP14,.3
Contacts14
Reach Compliance Code_compli
ECCN code5A991.B.4
Other features1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER
Differential outputYES
Number of drives1
High level input current maximum value0.000001 A
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-422; EIA-485
JESD-30 codeR-PDIP-T14
JESD-609 codee0
length19.05 mm
Humidity sensitivity level1
Number of functions1
Number of terminals14
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Minimum output swing1.5 V
Output characteristics3-STATE
Maximum output low current0.004 A
Output polarityCOMPLEMENTARY
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP14,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)245
power supply5 V
Certification statusNot Qualified
Maximum receive delay2000 ns
Number of receiver bits1
Maximum seat height4.572 mm
Maximum slew rate0.25 mA
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
maximum transmission delay2000 ns
width7.62 mm
19-0122; Rev 8; 10/03
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
General Description
The MAX481, MAX483, MAX485, MAX487–MAX491, and
MAX1487 are low-power transceivers for RS-485 and RS-
422 communication. Each part contains one driver and one
receiver. The MAX483, MAX487, MAX488, and MAX489
feature reduced slew-rate drivers that minimize EMI and
reduce reflections caused by improperly terminated cables,
thus allowing error-free data transmission up to 250kbps.
The driver slew rates of the MAX481, MAX485, MAX490,
MAX491, and MAX1487 are not limited, allowing them to
transmit up to 2.5Mbps.
These transceivers draw between 120µA and 500µA of
supply current when unloaded or fully loaded with disabled
drivers. Additionally, the MAX481, MAX483, and MAX487
have a low-current shutdown mode in which they consume
only 0.1µA. All parts operate from a single 5V supply.
Drivers are short-circuit current limited and are protected
against excessive power dissipation by thermal shutdown
circuitry that places the driver outputs into a high-imped-
ance state. The receiver input has a fail-safe feature that
guarantees a logic-high output if the input is open circuit.
The MAX487 and MAX1487 feature quarter-unit-load
receiver input impedance, allowing up to 128 MAX487/
MAX1487 transceivers on the bus. Full-duplex communi-
cations are obtained using the MAX488–MAX491, while
the MAX481, MAX483, MAX485, MAX487, and MAX1487
are designed for half-duplex applications.
__Next Generation Device Features
For Fault-Tolerant Applications
MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4
Unit Load, +3.3V, RS-485 Transceiver
MAX3440E–MAX3444E: ±15kV ESD-Protected,
±60V Fault-Protected, 10Mbps, Fail-Safe,
RS-485/J1708 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
MAX3293/MAX3294/MAX3295: 20Mbps, +3.3V,
SOT23, RS-855/RS-422 Transmitters
For Multiple Transceiver Applications
MAX3030E–MAX3033E: ±15kV ESD-Protected,
+3.3V, Quad RS-422 Transmitters
For Fail-Safe Applications
MAX3080–MAX3089: Fail-Safe, High-Speed
(10Mbps), Slew-Rate-Limited RS-485/RS-422
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
Ordering Information appears at end of data sheet.
MAX481/MAX483/MAX485/MAX487–MAX491/MAX1487
________________________Applications
Low-Power RS-485 Transceivers
Low-Power RS-422 Transceivers
Level Translators
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
______________________________________________________________Selection Table
PART
NUMBER
MAX481
MAX483
MAX485
MAX487
MAX488
MAX489
MAX490
MAX491
MAX1487
HALF/FULL
DUPLEX
Half
Half
Half
Half
Full
Full
Full
Full
Half
DATA RATE
(Mbps)
2.5
0.25
2.5
0.25
0.25
0.25
2.5
2.5
2.5
SLEW-RATE
LIMITED
No
Yes
No
Yes
Yes
Yes
No
No
No
LOW-POWER
SHUTDOWN
Yes
Yes
No
Yes
No
No
No
No
No
RECEIVER/
DRIVER
ENABLE
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
QUIESCENT
CURRENT
(µA)
300
120
300
120
120
120
300
300
230
NUMBER OF
TRANSMITTERS
ON BUS
32
32
32
128
32
32
32
32
128
PIN
COUNT
8
8
8
8
8
14
8
14
8
________________________________________________________________
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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