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MAX3082ECPA+

Description
RS-422/RS-485 interface IC fail-safe 10mbps RS-485/RS-422 tcvr
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size229KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX3082ECPA+ Overview

RS-422/RS-485 interface IC fail-safe 10mbps RS-485/RS-422 tcvr

MAX3082ECPA+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeDIP
package instructionPLASTIC, DIP-8
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time6 weeks
Samacsys Confidence3
Samacsys StatusReleased
Samacsys PartID168542
Samacsys Pin Count8
Samacsys Part CategoryIntegrated Circuit
Samacsys Package CategoryDual-In-Line Packages
Samacsys Footprint Name8 PDIP
Samacsys Released Date2015-06-25 00:00:00
Is SamacsysN
Differential outputYES
Number of drives1
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-422; EIA-485
JESD-30 codeR-PDIP-T8
JESD-609 codee3
length9.375 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Minimum output swing2 V
Maximum output low current0.004 A
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP8,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum receive delay200 ns
Number of receiver bits1
Maximum seat height4.572 mm
Maximum slew rate1 mA
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 V
surface mountNO
Temperature levelCOMMERCIAL
Terminal surfaceTin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
maximum transmission delay2600 ns
width7.62 mm
Base Number Matches1
19-1800; Rev 1; 5/06
±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080E–MAX3089E
General Description
The MAX3080E–MAX3089E are ±15kV electrostatic dis-
charge (ESD)-protected, high-speed transceivers for RS-
485/RS-422 communication that contain one driver and
one receiver. These devices feature fail-safe circuitry,
which guarantees a logic-high receiver output when the
receiver inputs are open or shorted. This means that the
receiver output will be a logic high if all transmitters on a
terminated bus are disabled (high impedance). The
MAX3080E/MAX3081E/MAX3082E feature reduced
slew-rate drivers that minimize EMI and reduce reflec-
tions caused by improperly terminated cables, allowing
error-free data transmission up to 115kbps. The
MAX3083E/MAX3084E/MAX3085E offer higher driver
output slew-rate limits, allowing transmit speeds up to
500kbps. The MAX3086E/MAX3087E/ MAX3088Es’ dri-
ver slew rates are not limited, making transmit speeds
up to 10Mbps possible. The MAX3089E’s slew rate is
selectable between 115kbps, 500kbps, and 10Mbps by
driving a selector pin with a single three-state driver. All
devices feature enhanced ESD protection. All transmitter
outputs and receiver inputs are protected to ±15kV
using the Human Body Model.
These transceivers typically draw 375µA of supply
current when unloaded, or when fully loaded with the dri-
vers disabled.
All devices have a 1/8-unit-load receiver input impedance
that allows up to 256 transceivers on the bus. The
MAX3082E/MAX3085E/MAX3088E are intended for half-
duplex communications, while the MAX3080E/MAX3081E/
MAX3083E/MAX3084E/MAX3086E/MAX3087E are
intended for full-duplex communications. The MAX3089E
is selectable between half-duplex and full-duplex opera-
tion. It also features independently programmable
receiver and transmitter output phase via separate pins.
Features
ESD Protection for RS-485 I/O Pins
±15kV, Human Body Model
True Fail-Safe Receiver While Maintaining
EIA/TIA-485 Compatibility
Enhanced Slew-Rate Limiting Facilitates
Error-Free Data Transmission
(MAX3080E–MAX3085E/MAX3089E)
1nA Low-Current Shutdown Mode (Except
MAX3081E/MAX3084E/MAX3087E)
Pin-Selectable Full/Half-Duplex Operation
(MAX3089E)
Phase Controls to Correct for Twisted-Pair
Reversal (MAX3089E)
Allow Up to 256 Transceivers on the Bus
Applications
RS-422/RS-485 Communications
Level Translators
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
Ordering Information
PART
MAX3080ECSD
MAX3080ECPD
MAX3080EESD
MAX3080EEPD
TEMP. RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
14 SO
14 Plastic DIP
14 SO
14 Plastic DIP
Ordering Information continued at end of data sheet.
Selector Guide
Part
MAX3080E
MAX3081E
MAX3082E
MAX3083E
MAX3084E
MAX3085E
MAX3086E
MAX3087E
MAX3088E
MAX3089E
Half/Full
Duplex
Full
Full
Half
Full
Full
Half
Full
Full
Half
Selectable
Data
Rate
(Mbps)
0.115
0.115
0.115
0.5
0.5
0.5
10
10
10
Selectable
Slew-
Rate
Limited
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Selectable
Low-
Power
Shutdown
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Receiver/
Driver
Enable
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Quiescent Transceivers
Current
On
(µA)
Bus
375
375
375
375
375
375
375
375
375
375
256
256
256
256
256
256
256
256
256
256
Pin
Count
14
8
8
14
8
8
14
8
8
14
Industry-
Standard
Pinout
75180
75179
75176
75180
75179
75176
75180
75179
75176
75180*
*Pin
compatible with 75180, with additional features implemented using pins 1, 6, 8, and 13.
________________________________________________________________
Maxim Integrated Products
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

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