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ISL3179EIBZ 数据手册 - Renesas Electronics（瑞萨电子）
制造商:
Renesas Electronics（瑞萨电子）
分类:
接口芯片
封装:
SOIC-8
描述:
RS-485 线路驱动器和接收器，Intersil可靠的数据传输应用，使用长双绞线连接，带 Intersil 半双工和全双工 RS - 485 收发器，提供各种速度等级。### RS-485 线路驱动器和接收器
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ISL3179EIBZ数据手册
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1
®
FN6365.2
ISL3179E, ISL3180E
High ESD Protected, +125°C, 40Mbps,
3.3V, Full Fail-Safe, RS-485/RS-422
Transceivers
Intersil’s ISL3179E and ISL3180E are high ESD Protected
(see Table 1 below), 3.3V powered, single transceivers that
meet both the RS-485 and RS-422 standards for balanced
communication. Each device has low bus currents
(+220µA/-150µA), so it presents a “1/5 unit load” to the
RS-485 bus. This allows up to 160 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 terminated but undriven.
The ISL3180E is configured for full duplex applications. The
ISL3179E half duplex version multiplexes the Rx inputs and
Tx outputs to allow a transceiver with an output disable
function in 8 Ld packages.
Hot Plug circuitry ensures that the Tx and Rx outputs remain
in a high impedance state while the power supply stabilizes.
Features
• High ESD Protection on RS-485 I/O Pins
- ISL3179E . . . . . . . . . . . . . . . . . . . . .±16.5kV IEC61000
- ISL3180E . . . . . . . . . . . . . . . . . . . . . . . . . . ±12kV HBM
- Class 3 HBM ESD Level on all Other Pins. . . . . . .>9kV
• Specified for +125°C Operation
• High Data Rates. . . . . . . . . . . . . . . . . . . . . . up to 40Mbps
• 5V Tolerant Logic Inputs
• 1/5 Unit Load Allows up to 160 Devices on the Bus
• Full Fail-Safe (Open, Shorted, Terminated/Undriven)
Receiver
• Hot Plug - Tx and Rx Outputs Remain Three-State During
Power-Up
• Low Quiescent Current . . . . . . . . . . . . . . . . . . 4mA (Max)
• Low Current Shutdown Mode. . . . . . . . . . . . . . 1µA (Max)
• -7V to +12V Common Mode Input Voltage Range
• Three-State Rx and Tx Outputs
• 16/16.5ns (Max) Tx/Rx Propagation Delays; 1.5ns (Max)
Skew
• Operates from a Single +3.3V Supply (10% Tolerance)
• Current Limiting and Thermal Shutdown for driver
Overload Protection
• Pb-Free (RoHS Compliant)
Applications
• Motor Controller/Position Encoder Systems
• Factory Automation
• Field Bus Networks
• Security Networks
• Building Environmental Control Systems
• Industrial/Process Control Networks
Ordering Information
PART
NUMBER
(Note)
PART
MARKING #
TEMP.
RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL3179EFBZ* 3179 EFBZ -40 to +125 8 Ld SOIC M8.15
ISL3179EFUZ* 179FZ -40 to +125 8 Ld MSOP M8.118
ISL3179EFRZ* 79FZ -40 to +125 10 Ld DFN L10.3x3C
ISL3179EIBZ* 3179 EIBZ -40 to +85 8 Ld SOIC M8.15
ISL3179EIUZ* 179IZ -40 to +85 8 Ld MSOP M8.118
ISL3179EIRZ* 79IZ -40 to +85 10 Ld DFN L10.3x3C
ISL3180EIBZ* ISL3180 EIBZ -40 to +85 14 Ld SOIC M14.15
*Add “-T” suffix for tape and reel. Please refer to TB347 for details on
reel specifications
NOTE: These Intersil Pb-free plastic packaged products employ special
Pb-free material sets; molding compounds/die attach materials and
100% matte tin plate PLUS ANNEAL - e3 termination finish, which is
RoHS compliant and compatible with both SnPb and Pb-free soldering
operations. Intersil Pb-free products are MSL classified at Pb-free peak
reflow temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
HALF/FULL
DUPLEX
DATA RATE
(Mbps)
RS-485 PIN
ESD LEVEL
HOT
PLUG?
RX/TX
ENABLE?
QUIESCENT
I
CC
(mA)
LOW POWER
SHUTDOWN?
PIN
COUNT
ISL3179E HALF 40 16.5kV IEC61000 YES YES 2.6 YES 8, 10
ISL3180E FULL 40 12kV HBM YES YES 2.6 YES 14
Data Sheet April 22, 2008
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. 2007, 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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