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ISL3294E

更新时间： 2024-11-09 04:22:55
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
17页 642K
描述
【16.5kV ESD Protected, +125∑C, 3.0V to 5.5V, SOT-23/TDFN Packaged, Low Power, RS-485/RS-422 Transmitters

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ISL3294E 数据手册

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ISL3293E, ISL3294E, ISL3295E, ISL3296E,  
ISL3297E, ISL3298E  
®
Data Sheet  
September 19, 2007  
FN6544.0  
±16.5kV ESD Protected, +125°C, 3.0V to  
5.5V, SOT-23/TDFN Packaged, Low Power,  
RS-485/RS-422 Transmitters  
Features  
• High ESD Protection on RS-485 Outputs . . ±16.5kV HBM  
- IEC61000-4-2 Contact Test Method . . . . . . . . . . . . ±7kV  
- Class 3 ESD Level on all Other Pins . . . . . . >8kV HBM  
The Intersil ISL3293E, ISL3294E, ISL3295E, ISL3296E,  
ISL3297E, ISL3298E are ±16.5kV HBM ESD Protected (7kV  
IEC61000 contact), 3.0V to 5.5V powered, single  
• Specified for +125°C Operation (V  
≤ 3.6V Only)  
CC  
• Logic Supply Pin (V ) Eases Operation in Mixed Supply  
L
Systems (ISL3296E through ISL3298E Only)  
transmitters for balanced communication using the RS-485  
and RS-422 standards. These drivers have very low bus  
currents (±40mA), so they present less than a “1/8 unit load”  
to the RS-485 bus. This allows more than 256 transmitters on  
the network without violating the RS-485 specification’s  
32 unit load maximum, and without using repeaters.  
• Hot Plug - Tx Outputs Remain Three-state During  
Power-up  
• Low Tx Leakage Allows >256 Devices on the Bus  
• High Data Rates. . . . . . . . . . . . . . . . . . . . . up to 20Mbps  
Hot Plug circuitry ensures that the Tx outputs remain in a  
high impedance state while the power supply stabilizes.  
• Low Quiescent Supply Current . . . . . . . . . . .150µA (Max)  
- Very Low Shutdown Supply Current. . . . . . . 1µA (Max)  
The ISL3293E, ISL3294E, ISL3296E, ISL3297E utilize slew  
rate limited drivers which reduce EMI, and minimize reflections  
from improperly terminated transmission lines, or from  
unterminated stubs in multidrop and multipoint applications.  
Drivers on the ISL3295E and ISL3298E are not limited, so they  
can achieve the 20Mbps data rate. All versions are offered in  
Industrial and Extended Industrial (-40°C to +125°C)  
temperature ranges.  
• -7V to +12V Common Mode Output Voltage Range  
(V  
≤ 3.6V Only)  
CC  
• Current Limiting and Thermal Shutdown for Driver  
Overload Protection (V  
• Tri-statable Tx Outputs  
≤ 3.6V Only)  
CC  
• 5V Tolerant Logic Inputs When V  
• Pb-Free (RoHS Compliant)  
≤5V  
CC  
A 26% smaller footprint is available with the ISL3296E,  
ISL3297E, ISL3298E’s TDFN package. These devices also  
feature a logic supply pin (V ) that sets the switching points  
of the DE and DI inputs to be compatible with a lower supply  
voltage in mixed voltage systems.  
L
Applications  
• Clock Distribution  
• High Node Count Systems  
• Space Constrained Systems  
• Security Camera Networks  
For companion single RS-485 receivers in micro packages,  
please see the ISL3280E, ISL3281E, ISL3282E, ISL3283E,  
ISL3284E data sheet.  
• Building Environmental Control/Lighting Systems  
• Industrial/Process Control Networks  
TABLE 1. SUMMARY OF FEATURES  
TX  
MAXIMUM  
ENABLE? QUIESCENT LOW POWER  
PART  
DATA RATE SLEW-RATE  
HOT  
PIN  
NUMBER  
FUNCTION  
1 Tx  
(Mbps)  
0.25  
0.5  
LIMITED?  
PLUG?  
V
PIN?  
(Note 10)  
I
(µA)  
SHUTDOWN?  
COUNT  
L
CC  
ISL3293E  
ISL3294E  
ISL3295E  
ISL3296E  
ISL3297E  
ISL3298E  
YES  
YES  
YES  
YES  
YES  
YES  
YES  
NO  
NO  
YES  
150  
YES  
6 Ld SOT  
6 Ld SOT  
6 Ld SOT  
8 Ld TDFN  
8 Ld TDFN  
8 Ld TDFN  
1 Tx  
YES  
YES  
150  
150  
150  
150  
150  
YES  
1 Tx  
20  
NO  
NO  
YES  
YES  
1 Tx  
0.25  
0.5  
YES  
YES  
YES  
YES  
YES  
YES  
1 Tx  
YES  
YES  
YES  
1 Tx  
20  
NO  
YES  
YES  
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. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
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