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ISL83086EIB-T Datasheet

  • ISL83086EIB-T

  • +-15kV ESD Protected, 5V, Full Fail-Safe, Fractional (1/8) U...

  • 18頁(yè)

  • INTERSIL   INTERSIL

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ISL83080E, ISL83082E, ISL83083E,
ISL83085E, ISL83086E, ISL83088E
Data Sheet
September 12, 2005
FN6085.6
鹵15kV ESD Protected, 5V, Full Fail-Safe,
Fractional (1/8) Unit Load, RS-485/RS-422
Transceivers
The ISL8308XE are BiCMOS, 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
鹵
15kV ESD strikes
without latch-up, and unlike competitive products, this Intersil
family is specified for 10% tolerance supplies (4.5V to 5.5V).
These devices have very low bus currents (+125碌A(chǔ)/-75碌A(chǔ)),
so they present a true 鈥?/8 unit load鈥?to the RS-485 bus. This
allows up to 256 transceivers on the network without violating
the RS-485 specification鈥檚 32 unit load maximum, and without
using repeaters. For example, in a remote utility meter reading
system, individual meter readings are routed to a concentrator
via an RS-485 network, so the high allowed node count
minimizes the number of repeaters required. Data for all
meters is then read out from the concentrator via a single
access port, or a wireless link.
Receiver (Rx) inputs feature a 鈥淔ull Fail-Safe鈥?design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or terminated but undriven.
The ISL83080E, ISL83082E, ISL83083E, ISL83085E utilize
slew rate limited drivers which reduce EMI, and minimize
reflections from improperly terminated transmission lines, or
unterminated stubs in multidrop and multipoint applications.
Slew rate limited versions also include receiver input filtering to
enhance noise immunity in the presence of slow input signals.
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 ISL83080E, ISL83083E, ISL83086E are configured for
full duplex (separate Rx input and Tx output pins)
applications. The half duplex versions multiplex the Rx inputs
and Tx outputs to allow transceivers with output disable
functions in 8 lead packages.
Features
鈥?Pb-Free Plus Anneal Available (RoHS Compliant)
(See Ordering Info)
鈥?RS-485 I/O Pin ESD Protection . . . . . . . . . .
鹵
15kV HBM
Class 3 ESD Protection (HBM) on all Pins. . . . . . . . >7kV
鈥?Full Fail-safe (Open, Short, Terminated and Floating)
Receivers
鈥?Hot Plug Circuitry (ISL83080E, ISL83082E, ISL83083E,
ISL83085E)
- Tx and Rx Outputs Remain Three-state During Power-
up/Power-down
鈥?True 1/8 Unit Load Allows up to 256 Devices on the Bus
鈥?Specified for Single 5V, 10% Tolerance, Supplies
鈥?High Data Rates. . . . . . . . . . . . . . . . . . . . . up to 10Mbps
鈥?Low Quiescent Supply Current . . . . . . . . . . . . . . . 530
碌
A
Ultra Low Shutdown Supply Current . . . . . . . . . . . . 70nA
鈥?-7V to +12V Common Mode Input Voltage Range
鈥?Half and Full Duplex Pinouts
鈥?Three-State Rx and Tx Outputs
鈥?Current Limiting and Thermal Shutdown for driver
Overload Protection
Applications
鈥?Automated Utility Meter Reading Systems
鈥?High Node Count Systems
鈥?Factory Automation
鈥?Field Bus Networks
鈥?Security Camera Networks
鈥?Building Environmental Control Systems
鈥?Industrial/Process Control Networks
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
ISL83080E
ISL83082E
ISL83083E
ISL83085E
ISL83086E
ISL83088E
HALF/FULL DATA RATE SLEW-RATE
# DEVICES
DUPLEX
(Mbps)
LIMITED?
HOT PLUG ON BUS
Full
Half
Full
Half
Full
Half
0.115
0.115
0.5
0.5
10
10
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
256
256
256
256
256
256
Rx/Tx
ENABLE?
Yes
Yes
Yes
Yes
Yes
Yes
QUIESCENT
I
CC
(碌A(chǔ))
530
530
530
530
530
530
LOW POWER
SHUTDOWN?
Yes
Yes
Yes
Yes
Yes
Yes
PIN
COUNT
14
8
14
8
14
8
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2004-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

ISL83086EIB-T 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器

  • -

  • 收發(fā)器

  • 1/1

  • RS422，RS485

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 14-SOIC（0.154"，3.90mm 寬）

  • 14-SOICN

  • 帶卷 (TR)

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