ISL32435EIUZ Intersil Corporation, ISL32435EIUZ Datasheet

ISL32435EIUZ

Manufacturer Part Number

ISL32435EIUZ

Description

8 LEAD MSOP (3.0M/260 DEGREE CELSIUS/40V OVP, 15V CMR, -40+85, 3V RS-485 1

Manufacturer

Intersil Corporation

Datasheet

1.ISL32432EIUZ.pdf (21 pages)

Specifications of ISL32435EIUZ

Pack_quantity

Comm_code

85423990

Lead_time

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

ISL32435EIUZ

Manufacturer:

INTERSIL

Quantity:

20 000

Current page: 1 of 21
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±40V Fault Protected, 3.3V to 5V, ±15V Common Mode

Range, RS-485/RS-422 Transceivers With Cable Invert

and ±15kV ESD

ISL32430E, ISL32432E, ISL32433E, ISL32435E, ISL32437E

The ISL32430E through ISL32437E are 3.3V to 5V powered, fault

protected, extended 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 more robust on the market.

Transmitters are RS-485 compliant with V

1.1V differential output voltage into the RS-485 specified 54Ω

load even with V

Receiver (Rx) inputs feature a “Full Fail-Safe” design, which

ensures a logic high Rx output if Rx inputs are floating, shorted, or

on a terminated but undriven (idle) bus. 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 in case the cable is

misconnected during installation.

See Table 1 on page 2 for key features and configurations by

device number.

Related Literature

• See FN7921, “ISL32450E, ISL32452E, ISL32453E,

March 1, 2012

FN7920.0

ISL32455E, ISL32457E: ±60V Fault Protected, 3.3V to 5V,

±20V Common Mode Range, RS-485/RS-422 Transceivers

with Cable Invert and ±15kV ESD”

FIGURE 1. EXCEPTIONAL ISL32433E RX OPERATES AT >1Mbps

EVEN WITH ±15V COMMON MODE VOLTAGE

= 3V.

TIME (200ns/DIV)

≥ 4.5V and deliver a

VID = ±1V

2Mbps

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

= 3V

1-888-INTERSIL or 1-888-468-3774

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

Features

• Fault Protected RS-485 Bus Pins . . . . . . . . . . . . . . up to ±40V

• Extended Common Mode Range . . . . . . . . . . . . . . . . . . . ±15V

• ±15kV HBM ESD Protection on RS-485 Bus Pins

• Wide Supply Range . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 5.5V

• Cable Invert Pin (ISL32437E Only)

• 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

• Pb-Free (RoHS Compliant)

Applications

• Utility Meters/Automated Meter Reading Systems

• Air Conditioning Systems

• Security Camera Networks

• Building Lighting and Environmental Control Systems

• Industrial/Process Control Networks

Larger Than Required for RS-485

Corrects for Reversed Cable Connections While Maintaining Rx

Full Fail-safe Functionality

Ultra Low Shutdown Supply Current . . . . . . . . . . . . . . . 10µA

FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON MODE

-15

-7

All other trademarks mentioned are the property of their respective owners.

STANDARD RS-485

TRANSCEIVER

RANGE vs STANDARD RS-485 DEVICES

ISL3243XE

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