Datasheet > ISL32435E

ISL32435E

更新时间： 2023-12-20 18:44:38

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
22页	1215K
描述
±40V Fault Protected, 3.3V to 5V, ±15V Common Mode Range, RS-485/RS-422 Transceivers With Cable Invert and ±15kV ESD

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中文翻译

获取价格

数据手册

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ISL32435E 数据手册

DATASHEET

ISL32430E, ISL32432E, ISL32433E, ISL32435E, ISL32437E

±40V Fault Protected, 3.3V to 5V, ±15V Common-Mode Range, RS-485/RS-422

Transceivers With Cable Invert and ±15kV ESD

FN7920

Rev.1.00

Feb 15, 2019

The ISL32430E, ISL32432E, ISL32433E, ISL32435E, and

Features

ISL32437E are 3.3V to 5V powered, fault protected, extended

• Fault protected RS-485 bus pins . . . . . . . . . . . . . . up to ±40V

common-mode range differential transceivers for balanced

communication. The RS-485 bus pins, driver outputs and

receiver inputs, are protected against overvoltages up to ±40V

and against ±15kV ESD strikes. Additionally, these transceivers

operate in environments with common-mode voltages up to

±15V (exceeds the RS-485 requirement), making this RS-485

family one of the most robust on the market.

• Extended common-mode range. . . . . . . . . . . . . . . . . . . . ±15V

larger than required for RS-485

• ±15kV HBM ESD protection on RS-485 bus pins

• Wide supply range . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 5.5V

• Cable invert pin corrects for reversed cable connections

while maintaining Rx full fail-safe functionality (ISL32437E

only)

The transmitters are RS-485 compliant with V ≥ 4.5V and

deliver a 1.1V differential output voltage into the RS-485

specified 54Ω load even with V = 3V.

• 1/4 Unit load for up to 128 devices on the bus

• High transient overvoltage tolerance. . . . . . . . . . . . . . . . ±60V

• Full fail-safe (open, short, terminated) RS-485 receivers

• Choice of RS-485 data rates . . . . . . . . . . . . . 250kbps or 1Mbps

• Low quiescent supply current. . . . . . . . . . . . . . . . . . . . 2.1mA

• Ultra low shutdown supply current. . . . . . . . . . . . . . . . . . 10µA

• Pb-free (RoHS compliant)

The receiver (Rx) inputs feature a full fail-safe design that

ensures a logic high Rx output if the Rx inputs are floating,

shorted, or on a terminated but undriven (idle) bus. The Rx full

fail-safe operation is maintained even when the Rx input polarity

is switched (cable invert function on ISL32437E).

The ISL32437E includes a cable invert function that reverses

the polarity of the Rx and Tx bus pins if the cable is

misconnected during installation.

Applications

• Utility meters/automated meter reading systems

See Table 1 on page 4 for key features and configurations by

device number.

• Air conditioning systems

Related Literature

For a full list of related documents, visit our website:

• Security camera networks

• Building lighting and environmental control systems

• Industrial/process control networks

• ISL32430E, ISL32432E, ISL32433E, ISL32435E, and

ISL32437E device pages

= 3V

VID = ±1V

2Mbps

-7

-15

STANDARD RS-485

TRANSCEIVER

ISL3243XE

TIME (200ns/DIV)

FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON-MODE

RANGE vs STANDARD RS-485 DEVICES

FIGURE 1. EXCEPTIONAL ISL32433E RX OPERATES AT >1Mbps

EVEN WITH ±15V COMMON-MODE VOLTAGE

FN7920 Rev.1.00

Feb 15, 2019

Page 1 of 22

12 3 4 5 6 7...22

中文翻译

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与ISL32435E相关器件

型号	品牌	获取价格	描述	数据表
ISL32435EIBZ	INTERSIL	获取价格	Â±40V Fault Protected, 3.3V to 5V, Â±15V Comm
ISL32435EIUZ	INTERSIL	获取价格	Â±40V Fault Protected, 3.3V to 5V, Â±15V Comm
ISL32437E	INTERSIL	获取价格	Â±40V Fault Protected, 3.3V to 5V, Â±15V Comm
ISL32437E	RENESAS	获取价格	±40V Fault Protected, 3.3V to 5V, ±15V Common
ISL32437EIBZ	INTERSIL	获取价格	Â±40V Fault Protected, 3.3V to 5V, Â±15V Comm
ISL32437EIUZ	INTERSIL	获取价格	Â±40V Fault Protected, 3.3V to 5V, Â±15V Comm
ISL3243E	INTERSIL	获取价格	Providing high-performance solutions for every link in the signal chain
ISL3243E	RENESAS	获取价格	QFN Packaged, ±15kV ESD Protected, +2.7V to +
ISL3243EIRZ	INTERSIL	获取价格	QFN Packaged, ±15kV ESD Protected, +2.7V to +
ISL3243EIRZ-T	INTERSIL	获取价格	QFN Packaged, ±15kV ESD Protected, +2.7V to +

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