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ISL3180E

更新时间： 2024-09-21 14:58:07
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
19页 1314K
描述
High ESD Protected, 40Mbps, 3.3V, Full Fail-Safe, RS-485/RS-422 Transceivers

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ISL3180E 数据手册

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DATASHEET  
ISL3179E, ISL3180E  
High ESD Protected, 40Mbps, 3.3V, Full Fail-Safe RS-485/RS-422 Transceivers  
The ISL3179E and ISL3180E are high ESD protected (see  
Features  
Table 2 on page 2), 3.3V powered, single transceivers that  
• High ESD protection on RS-485 I/O pins  
meet both the RS-485 and RS-422 standards for balanced  
communication. Each device has low bus currents  
(+220µA/-150µA), so they present 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.  
- ISL3179E . . . . . . . . . . . . . . . . . . . . . . . . ±16.5kV IEC61000  
- ISL3180E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±12kV HBM  
- Class 3 HBM level on all other pins (ISL3179E). . . . . >9kV  
• Specified for +125°C operation (ISL3179EF Only)  
• High data rates. . . . . . . . . . . . . . . . . . . . . . . . . . .up to 40Mbps  
• 5V tolerant logic inputs  
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.  
• 1/5 unit load allows up to 160 devices on the bus  
• Full fail-safe (open, shorted, terminated/undriven) receiver  
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 - 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  
Hot plug circuitry ensures that the Tx and Rx outputs remain in  
a high impedance state while the power supply stabilizes.  
Applications  
• Motor controller/position encoder systems  
• 16/16.5ns (max) Tx/Rx propagation delays; 1.5ns (max) skew  
• Operates from a single +3.3V supply (10% tolerance)  
• Factory automation  
• Field bus networks  
• Current limiting and thermal shutdown for driver overload  
protection  
• Security networks  
• Building environmental control systems  
• Industrial/process control networks  
• Pb-free (RoHS compliant)  
TABLE 1. KEY DIFFERENCES BETWEEN HIGH-SPEED INTERFACE  
FAMILY OF PARTS  
PART  
NUMBER  
FULL/HALF  
DUPLEX  
VCC  
(V)  
VOD  
(V)  
DATA RATE  
(Mbps)  
ISL3179E  
ISL3180E  
ISL3159E  
ISL3259E  
Half  
Full  
3.3  
3.3  
5
1.5  
1.5  
2.1  
2.1  
40  
40  
Half  
Half  
40  
5
100  
+3.3V  
+3.3V  
(SOIC AND MSOP PIN NUMBERS SHOWN)  
0.1µF  
+
+
0.1µF  
8
8
V
V
CC  
CC  
RO  
1
2
4
DI  
R
D
RE  
DE  
R
T
R
3
2
7
6
7
6
B/Z  
A/Y  
DE  
RE  
T
B/Z  
A/Y  
3
4
DI  
1
RO  
R
D
GND  
5
GND  
5
FIGURE 1. TYPICAL OPERATING CIRCUIT - ISL3179E  
FN6365 Rev.6.02  
Oct 2, 2023  
Page 1 of 18  
© 2007-2023 Renesas Electronics  
1234567...19

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