MAX3082EESA Maxim Integrated Products, MAX3082EESA Datasheet

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MAX3082EESA

Manufacturer Part Number
MAX3082EESA
Description
Manufacturer
Maxim Integrated Products
Datasheet

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*Pin compatible with 75180, with additional features implemented using pins 1, 6, 8, and 13.
19-1800; Rev 1; 5/06
±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
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.
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.
MAX3080E
MAX3081E
MAX3082E
MAX3083E
MAX3084E
MAX3085E
MAX3086E
MAX3087E
MAX3088E
MAX3089E
Part
Slew-Rate-Limited RS-485/RS-422 Transceivers
Selectable
Half/Full
Duplex
Half
Half
Half
Full
Full
Full
Full
Full
Full
________________________________________________________________ Maxim Integrated Products
General Description
Selectable
(Mbps)
0.115
0.115
0.115
Data
Rate
0.5
0.5
0.5
10
10
10
Selectable
Limited
Slew-
Rate
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Shutdown
Power
Low-
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
o ESD Protection for RS-485 I/O Pins
o True Fail-Safe Receiver While Maintaining
o Enhanced Slew-Rate Limiting Facilitates
o 1nA Low-Current Shutdown Mode (Except
o Pin-Selectable Full/Half-Duplex Operation
o Phase Controls to Correct for Twisted-Pair
o Allow Up to 256 Transceivers on the Bus
Ordering Information continued at end of data sheet.
Receiver/
Enable
MAX3080ECSD
MAX3080ECPD
MAX3080EESD
MAX3080EEPD
Driver
EIA/TIA-485 Compatibility
Error-Free Data Transmission
(MAX3080E–MAX3085E/MAX3089E)
MAX3081E/MAX3084E/MAX3087E)
(MAX3089E)
Reversal (MAX3089E)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
±15kV, Human Body Model
PART
RS-422/RS-485 Communications
Level Translators
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
Quiescent
Current
(µA)
375
375
375
375
375
375
375
375
375
375
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
Transceivers
Ordering Information
Bus
256
256
256
256
256
256
256
256
256
256
On
Selector Guide
Applications
Count
Pin
14 SO
14 Plastic DIP
14 SO
14 Plastic DIP
14
14
14
14
PIN-PACKAGE
8
8
8
8
8
8
Features
Industry-
Standard
75180*
Pinout
75180
75179
75176
75180
75179
75176
75180
75179
75176
1

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MAX3082EESA Summary of contents

Page 1

... MAX3089E Selectable Selectable *Pin compatible with 75180, with additional features implemented using pins and 13. ________________________________________________________________ Maxim Integrated Products 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. o ESD Protection for RS-485 I/O Pins ± ...

Page 2

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) ............................................................+7V CC Control Input Voltage (RE, DE)...................-0. Special Input Voltage (H/F, SRL, TXP, RXP)..............................-0. Driver Input Voltage (DI).............................-0. Driver ...

Page 3

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers DC ELECTRICAL CHARACTERISTICS (continued +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL RECEIVER Receiver Differential Threshold ...

Page 4

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers SWITCHING CHARACTERISTICS—MAX3080E/MAX3081E/MAX3082E, and MAX3089E with SRL = Unconnected (V = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL ...

Page 5

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers SWITCHING CHARACTERISTICS—MAX3083E/MAX3084E/MAX3085E, and MAX3089E with SRL = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER ...

Page 6

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers SWITCHING CHARACTERISTICS—MAX3086E/MAX3087E/MAX3088E, and MAX3089E with SRL = GND (V = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL ...

Page 7

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers (V = +5V +25°C, unless otherwise noted NO-LOAD SUPPLY CURRENT vs. TEMPERATURE 525 A: MAX3086E/MAX3087E/MAX3088E, 500 MAX3089E WITH SRL = GND 475 450 A ...

Page 8

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers (V = +5V +25°C, unless otherwise noted DRIVER PROPAGATION DELAY (500kbps MODE) vs. TEMPERATURE 920 R = 54Ω 880 t 840 800 760 720 680 640 600 560 ...

Page 9

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers (V = +5V +25°C, unless otherwise noted RECEIVER PROPAGATION DELAY MAX3086E/MAX3087E/MAX3088E AND MAX3089E WITH SRL = GND 50ns/div V DRIVER PROPAGATION DELAY ...

Page 10

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers PIN MAX3080E MAX3081E MAX3082E MAX3083E MAX3084E MAX3085E MAX3086E MAX3087E MAX3088E HALF- FULL-DUPLEX DUPLEX DEVICES DEVICES — — — — — — — ...

Page 11

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers PIN MAX3080E MAX3081E MAX3082E MAX3083E MAX3084E MAX3085E MAX3086E MAX3087E MAX3088E HALF- FULL-DUPLEX DUPLEX DEVICES DEVICES 12 8 — — — — — — 6 — — — ...

Page 12

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers MAX3082E/MAX3085E/MAX3088E TRANSMITTING INPUTS RECEIVING INPUTS RE DE A-B ≥ -0.05V 0 X ≤ -0. ...

Page 13

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers TOP VIEW N. N. GND GND 7 8 N.C. ...

Page 14

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers Detailed Description The MAX3080E–MAX3089E high-speed transceivers for RS-485/RS-422 communication 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 ...

Page 15

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers RD TOP VIEW H RXP RXP RE 3 MAX3089E H TXP SRL ...

Page 16

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers DIFF V OD2 Figure 7. Driver Timing Test Circuit DPLH DPHL 1/2 ...

Page 17

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers V ATE ID Figure 13. Receiver Propagation Delay Test Circuit I 100 90% AMPERES 36.8% 10% 0 TIME CURRENT WAVEFORM Figure 14b. Human Body ...

Page 18

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers MAX3080E/MAX3081E/MAX3083E/ MAX3084E/MAX3086E/MAX3087E/ MAX3089E (FULL DUPLEX 120Ω 120Ω NOTE: RE AND DE ON MAX3080E/MAX3083E/MAX3086E/MAX3089E ONLY. Figure 18. Line Repeater for MAX3080E/MAX3081E/MAX3083E/ MAX3084E/MAX3086E/MAX3087E, and ...

Page 19

ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers 2µs/div Figure 20. MAX3083E/MAX3084E/MAX3085E, and MAX3089E with SRL = V System Differential Voltage at 50kHz Driving CC, 4000ft of Cable B/ A/Y* ...

Page 20

... MAX3081ECPA 0°C to +70°C MAX3081EESA -40°C to +85°C MAX3081EEPA -40°C to +85°C MAX3082ECSA 0°C to +70°C MAX3082ECPA 0°C to +70°C MAX3082EESA -40°C to +85°C MAX3082EEPA -40°C to +85°C MAX3083ECSD 0°C to +70°C MAX3083ECPD 0°C to +70°C MAX3083EESD -40°C to +85°C MAX3083EEPD -40° ...

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