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ISL3155E 데이터시트(PDF) 1 Page - Intersil Corporation

부품명 ISL3155E
상세설명  짹16.5kV ESD (IEC61000-4-2) Protected, Large Output Swing, 5V, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceivers
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제조업체  INTERSIL [Intersil Corporation]
홈페이지  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL3155E 데이터시트(HTML) 1 Page - Intersil Corporation

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1
®
FN6363.1
ISL3150E, ISL3152E, ISL3153E,
ISL3155E, ISL3156E, ISL3158E
±16.5kV ESD (IEC61000-4-2) Protected,
Large Output Swing, 5V, Full Fail-Safe, 1/8
Unit Load, RS-485/RS-422 Transceivers
The ISL315xE are BiCMOS, IEC61000 ESD protected, 5V
powered, single transceivers that meet both the RS-485 and
RS-422 standards for balanced communication. Each driver
output and receiver input is protected against ±16.5kV ESD
strikes without latch-up.
The ISL315xE transmitters all deliver exceptional differential
output voltages (2.4V min), into the RS-485 required 54
Ω
load, for better noise immunity or to allow up to eight 120
Ω
terminations in “star” or other non-standard bus topologies.
These devices have very low bus currents (+125µA/-75µA),
so they present a true “1/8 unit load” to the RS-485 bus. This
allows up to 256 transceivers on the network without violating
the RS-485 specification’s 32 unit load maximum, and without
using repeaters.
Receiver (Rx) inputs feature a “Full Fail-Safe” design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or on a terminated but undriven bus. Rx outputs
feature high drive levels - typically 28mA @ VOL = 1V (to ease
the design of optocoupled isolated interfaces).
The ISL3150E, ISL3152E, ISL3153E, ISL3155E utilize slew
rate limited drivers which reduce EMI, and minimize reflections
from improperly terminated transmission lines, or unterminated
stubs in multidrop and multipoint applications.
Hot Plug circuitry ensures that the Tx and Rx outputs remain
in a high impedance state until the power supply has
stabilized, and the Tx outputs are fully short circuit protected.
The ISL3150E, ISL3153E, ISL3156E are configured for full
duplex applications. The half duplex versions multiplex the
Rx inputs and Tx outputs to allow transceivers with output
disable functions in 8 Ld packages.
Features
• High Driver VOD . . . . . . . . . . . . . . 2.4V (Min) @ RD = 54Ω
Better Noise Immunity, or Drive Up to 8 Terminations
• IEC61000 ESD Protection on RS-485 I/O Pins . . ±16.5kV
- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM
• Tiny MSOP Packages Save 50% Board Space
• Full Fail-safe (Open, Short, Terminated and Undriven)
Receivers
• High Rx IOL to Drive Opto-Couplers for Isolated
Applications
• Hot Plug Circuitry - Tx and Rx Outputs Remain
Three-State During Power-up/Power-down
• True 1/8 Unit Load Allows up to 256 Devices on the Bus
• Specified for Single 5V, 10% Tolerance, Supplies
• High Data Rates . . . . . . . . . . . . . . . . . . . . . up to 20Mbps
• Low Quiescent Supply Current . . . . . . . . . . . . . . . 600µA
Ultra Low Shutdown Supply Current . . . . . . . . . . . . 70nA
• -7V to +12V Common Mode Input Voltage Range
• Half and Full Duplex Pinouts
• Pb-free (RoHS compliant)
• Three-State Rx and Tx Outputs
• Current Limiting and Thermal Shutdown for Driver
Overload Protection
Applications
• Utility Meters and Automated Meter Reading Systems
• High Node Count Systems
• PROFIBUS® and Field Bus Networks, and Factory
Automation
• Security Camera Networks
• Building Lighting and Environmental Control Systems
• Industrial/Process Control Networks
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
HALF/FULL
DUPLEX
DATA RATE
(Mbps)
SLEW-RATE
LIMITED?
HOT PLUG
# DEVICES
ON BUS
Rx/Tx
ENABLE?
QUIESCENT
ICC (μA)
LOW POWER
SHUTDOWN?
PIN
COUNT
ISL3150E
Full
0.115
Yes
Yes
256
Yes
600
Yes
10, 14
ISL3152E
Half
0.115
Yes
Yes
256
Yes
600
Yes
8
ISL3153E
Full
1
Yes
Yes
256
Yes
600
Yes
10, 14
ISL3155E
Half
1
Yes
Yes
256
Yes
600
Yes
8
ISL3156E
Full
20
No
Yes
256
Yes
600
Yes
10, 14
ISL3158E
Half
20
No
Yes
256
Yes
600
Yes
8
Data Sheet
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2004-2006, 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
January 18, 2008


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