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ISL83088E

更新时间： 2024-11-24 14:57:35
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
21页 1330K
描述
±15kV ESD, 5V, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceivers

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中文翻译

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ISL83088E 数据手册

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DATASHEET  
ISL83080E/82E/83E/85E/86E/88E  
±15kV ESD, 5V, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceivers  
The ISL8308xE (ISL83080E, ISL83082E, ISL83083E,  
ISL83085E, ISL83086E, ISL83088E) are BiCMOS, ESD  
Features  
• Pb-Free Available (RoHS Compliant)  
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  
±15kV ESD strikes without latch-up, and unlike competitive  
products, this family is specified for 10% tolerance supplies  
(4.5V to 5.5V).  
• RS-485 I/O Pin ESD Protection . . . . . . . . . . ±15kV HBM  
Class 3 ESD Protection (HBM) on all Pins. . . . . . . . >7kV  
• Tiny MSOP Packages Save 50% Board Space  
• Full Fail-Safe (Open, Short, Terminated and Floating)  
Receivers  
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. 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.  
• Hot Plug Circuitry (ISL83080E, ISL83082E, ISL83083E,  
ISL83085E)  
- 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 10Mbps  
• Low Quiescent Supply Current . . . . . . . . . . . . . . . 530µA  
Ultra Low Shutdown Supply Current . . . . . . . . . . . . 70nA  
Receiver (Rx) inputs feature a “Full Fail-Safe” design, which  
ensures a logic high Rx output if Rx inputs are floating,  
shorted, or terminated but undriven.  
• -7V to +12V Common Mode Input Voltage Range  
• Half and Full Duplex Pinouts  
The ISL83080E, ISL83082E, ISL83083E, ISL83085E use 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.  
• Three-State Rx and Tx Outputs  
• Current Limiting and Thermal Shutdown for driver  
Overload Protection  
Applications  
• Automated Utility Meter Reading Systems  
• High Node Count Systems  
• Factory Automation  
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 Ld packages.  
• Field Bus Networks  
• Security Camera Networks  
• Building Environmental Control Systems  
• Industrial/Process Control Networks  
TABLE 1. SUMMARY OF FEATURES  
DATA  
RATE  
(Mbps)  
SLEW-  
RATE  
LIMITED?  
#
HALF/FULL  
DUPLEX  
HOT  
PLUG  
DEVICES  
ON BUS  
Rx/Tx  
ENABLE?  
QUIESCEN LOW POWER  
PIN  
PART NUMBER  
ISL83080E  
T I (µA) SHUTDOWN? COUNT  
CC  
530  
Full  
Half  
Full  
Half  
Full  
Half  
0.115  
0.115  
0.5  
Yes  
Yes  
Yes  
Yes  
No  
Yes  
Yes  
Yes  
Yes  
No  
256  
256  
256  
256  
256  
256  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
10, 14  
ISL83082E  
530  
530  
530  
530  
530  
8
10, 14  
8
ISL83083E  
ISL83085E  
0.5  
ISL83086E  
10  
10, 14  
8
ISL83088E  
10  
No  
No  
FN6085 Rev 10.02  
Oct 2, 2023  
Page 1 of 20  
© 2004-2023 Renesas Electronics  
1234567...21

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