19-1800; Rev 0; 9/00
±±15k ESD-Protected, Fail-Safe, High-Speed (±0Mbps),
Slew-Rate-Limited RS-481/RS-422 Transceivers
General Description
Features
The MAX3080E–MAX3089E are ±±15k eꢀeꢁcrꢂocactꢁ ꢃto-
ꢁharge (ESD)-prꢂceꢁceꢃ, htgh-opeeꢃ cranoꢁetvero fꢂr RS-
481/RS-422 ꢁꢂmmuntꢁactꢂn chac ꢁꢂncatn ꢂne ꢃrtver anꢃ
ꢂne reꢁetver. Theoe ꢃevtꢁeo feacure fatꢀ-oafe ꢁtrꢁutcry,
whtꢁh guaranceeo a ꢀꢂgtꢁ-htgh reꢁetver ꢂucpuc when che
reꢁetver tnpuco are ꢂpen ꢂr ohꢂrceꢃ. Thto meano chac che
reꢁetver ꢂucpuc wtꢀꢀ be a ꢀꢂgtꢁ htgh tf aꢀꢀ cranomtccero ꢂn a
cermtnaceꢃ buo are ꢃtoabꢀeꢃ (htgh tmpeꢃanꢁe). The
MAX3080E/MAX308±E/MAX3082E feacure reꢃuꢁeꢃ
oꢀew-race ꢃrtvero chac mtntmtze EMI anꢃ reꢃuꢁe refꢀeꢁ-
ctꢂno ꢁauoeꢃ by tmprꢂperꢀy cermtnaceꢃ ꢁabꢀeo, aꢀꢀꢂwtng
errꢂr-free ꢃaca cranomtootꢂn up cꢂ ±±15bpo. The
MAX3083E/MAX3084E/MAX3081E ꢂffer htgher ꢃrtver
ꢂucpuc oꢀew-race ꢀtmtco, aꢀꢀꢂwtng cranomtc opeeꢃo up cꢂ
1005bpo. The MAX3086E/MAX3087E/ MAX3088Eo’ ꢃrt-
ver oꢀew raceo are nꢂc ꢀtmtceꢃ, ma5tng cranomtc opeeꢃo
up cꢂ ±0Mbpo pꢂootbꢀe. The MAX3089E’o oꢀew race to
oeꢀeꢁcabꢀe becween ±±15bpo, 1005bpo, anꢃ ±0Mbpo by
ꢃrtvtng a oeꢀeꢁcꢂr ptn wtch a otngꢀe chree-ocace ꢃrtver. Aꢀꢀ
ꢃevtꢁeo feacure enhanꢁeꢃ ESD prꢂceꢁctꢂn. Aꢀꢀ cranomtccer
ꢂucpuco anꢃ reꢁetver tnpuco are prꢂceꢁceꢃ cꢂ ±±15k
uotng che Human Bꢂꢃy Mꢂꢃeꢀ.
ꢀ 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-481 Cꢂmmuntꢁactꢂno
Leveꢀ Tranoꢀacꢂro
Tranoꢁetvero fꢂr EMI-Senotctve Appꢀtꢁactꢂno
Inꢃuocrtaꢀ-Cꢂncrꢂꢀ Lꢂꢁaꢀ Area Necwꢂr5o
Theoe cranoꢁetvero cyptꢁaꢀꢀy ꢃraw 371µA ꢂf ouppꢀy
ꢁurrenc when unꢀꢂaꢃeꢃ, ꢂr when fuꢀꢀy ꢀꢂaꢃeꢃ wtch che ꢃrt-
vero ꢃtoabꢀeꢃ.
Aꢀꢀ ꢃevtꢁeo have a ±/8-untc-ꢀꢂaꢃ reꢁetver tnpuc tmpeꢃanꢁe
chac aꢀꢀꢂwo up cꢂ 216 cranoꢁetvero ꢂn che buo. The
MAX3082E/MAX3081E/MAX3088E are tncenꢃeꢃ fꢂr haꢀf-
ꢃupꢀex ꢁꢂmmuntꢁactꢂno, whtꢀe che MAX3080E/MAX308±E/
MAX3083E/MAX3084E/MAX3086E/MAX3087E are
tncenꢃeꢃ fꢂr fuꢀꢀ-ꢃupꢀex ꢁꢂmmuntꢁactꢂno. The MAX3089E
to oeꢀeꢁcabꢀe becween haꢀf-ꢃupꢀex anꢃ fuꢀꢀ-ꢃupꢀex ꢂpera-
ctꢂn. Ic aꢀoꢂ feacureo tnꢃepenꢃencꢀy prꢂgrammabꢀe
reꢁetver anꢃ cranomtccer ꢂucpuc phaoe vta oeparace ptno.
Ordering Information
PART
TEMP. RANGE
0°C cꢂ +70°C
0°C cꢂ +70°C
-40°C cꢂ +81°C
-40°C cꢂ +81°C
PIN-PACKAGE
±4 SO
MAX3080ECSD
MAX3080ECPD
MAX3080EESD
MAX3080EEPD
±4 Pꢀaoctꢁ DIP
±4 SO
±4 Pꢀaoctꢁ DIP
Ordering Information continued at end of data sheet.
Selector Guide
Data
Rate
(Mbps)
Slew-
Rate
Limited
Low-
Power
Shutdown
Receiver/ Quiescent Transceivers
Industry-
Standard
Pinout
Half/Full
Duplex
Pin
Count
Part
Driver
Current
(µA)
On
Enable
Bus (µA)
MAX3080E
MAX3081E
MAX3082E
MAX3083E
MAX3084E
MAX3085E
MAX3086E
MAX3087E
MAX3088E
Fuꢀꢀ
Fuꢀꢀ
Haꢀf
Fuꢀꢀ
Fuꢀꢀ
Haꢀf
Fuꢀꢀ
Fuꢀꢀ
Haꢀf
0.±±1
0.±±1
0.±±1
0.1
Yeo
Yeo
Yeo
Yeo
Yeo
Yeo
Nꢂ
Yeo
Nꢂ
Yeo
Nꢂ
371
371
371
371
371
371
371
371
371
371
216
216
216
216
216
216
216
216
216
216
±4
8
71±80
71±79
71±76
71±80
71±79
71±76
71±80
71±79
71±76
71±80*
Yeo
Yeo
Nꢂ
Yeo
Yeo
Nꢂ
8
±4
8
0.1
0.1
Yeo
Yeo
Nꢂ
Yeo
Yeo
Nꢂ
8
±0
±4
8
±0
Nꢂ
±0
Nꢂ
Yeo
Yeo
Yeo
Yeo
8
MAX3089E Seꢀeꢁcabꢀe Seꢀeꢁcabꢀe Seꢀeꢁcabꢀe
±4
*Pin compatible with 75180, with additional features implemented using pins 1, 6, 8, and 13.
________________________________________________________________ Maxim Integrated Products
1
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