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MAX3083EEPD-

Description
RS-422/RS-485 Interface IC
Categorysemiconductor    Analog mixed-signal IC   
File Size229KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX3083EEPD- Overview

RS-422/RS-485 Interface IC

MAX3083EEPD- Parametric

Parameter NameAttribute value
Product CategoryRS-422/RS-485 Interface IC
ManufacturerMaxim
FunctionTransceiver
Data Rate500 kb/s
Number of Drivers1 Driver
Number of Receivers1 Receiver
Operating Supply Voltage5 V
Operating Supply Current600 uA
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Mounting StyleThrough Hole
Package / CasePDIP N
Height4.45 mm (Max)
Length19.43 mm (Max)
Number of Channels1 Channel
Number of Output Lines1
Pd - Power Dissipation667 mW
Width7.87 mm (Max)
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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