ISL31483EIBZ-T13 datasheet, PDF

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ISL31483EIBZ-T13: DescriptionLINE TRANSCEIVER; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size684KB，18 Pages; ManufacturerRenesas Electronics Corporation; Websitehttps://www.renesas.com/

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ISL31483EIBZ-T13 Overview

LINE TRANSCEIVER

ISL31483EIBZ-T13 Parametric

Parameter Name	Attribute value
Maker	Renesas Electronics Corporation
package instruction	,
Reach Compliance Code	unknown
ECCN code	EAR99
Interface integrated circuit type	LINE TRANSCEIVER

ISL31483EIBZ-T13 Preview

NOT RECOMMENDED FOR NEW DESIGNS

RECOMMENDED REPLACEMENT PART

ISL32483E, ISL32485E

DATASHEET

Fault Protected, Extended CMR, RS-485/RS-422

Transceivers with Cable Invert

ISL31483E, ISL31485E

The

ISL31483E

and

ISL31485E

are fault protected, 5V powered

differential transceivers that exceed the RS-485 and RS-422

standards for balanced communication. The RS-485 transceiver

pins (driver outputs and receiver inputs) are fault protected up to

±60V. Additionally, the extended common mode range allows

these transceivers to operate in environments with common mode

voltages up to ±25V (>2x the RS-485 requirement), making this

fault protected RS-485 family one of the most robust on the

market.

Transmitters deliver an exceptional 2.5V (typical) differential

output voltage into the RS-485 specified 54Ω load. This yields

better noise immunity than standard RS-485 ICs, or allows up to

six 120Ω terminations in star network topologies.

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.

The ISL31483E and ISL31485E include cable invert functions

that reverse the polarity of the Rx and/or Tx bus pins in case the

cable is misconnected. Unlike competing devices, Rx full fail-safe

operation is maintained even when the Rx input polarity is

switched.

Features

• Fault protected RS-485 bus pins . . . . . . . . . . . . . . up to ±60V

• Extended common mode range . . . . . . . . . . . . . . . . . . . . ±25V

More than twice the range required for RS-485

• Cable invert pins

corrects for reversed cable connections while maintaining Rx

full fail-safe functionality

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

• 1/4 unit load (UL) for up to 128 devices on the bus

• High Rx I

for opto-couplers in isolated designs

• Hot plug circuitry - Tx and Rx outputs remain three-state during

power-up/power-down

• Slew rate limited RS-485 data rate . . . . . . . . . . . . . . . 1Mbps

• Low quiescent supply current . . . . . . . . . . . . . . . . . . . . 2.3mA

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

Applications

• Utility meters/automated meter reading systems

• High node count RS-485 systems

• PROFIBUS™ and RS-485 based field bus networks and factory

automation

• Security camera networks

• Building lighting and environmental control systems

• Industrial/process control networks

VOLTAGE (V)

-5

TIME (400ns/DIV)

VID = ±1V

COMMON MODE RANGE

-7

-12

-20

-25

STANDARD RS-485

TRANSCEIVER

CLOSEST

COMPETITOR

ISL3148XE

FIGURE 1. EXCEPTIONAL Rx OPERATES AT 1Mbps EVEN WITH

±25V COMMON MODE VOLTAGE

FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON MODE

RANGE vs STANDARD RS-485 DEVICES

May 13, 2015

FN7638.4

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 trademark owned by Intersil Corporation or one of its subsidiaries.

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

ISL31483E, ISL31485E

Table of Contents

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Pin Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Truth Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Typical Operating Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Test Circuits and Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Receiver (Rx) Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Driver (Tx) Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High Overvoltage (Fault) Protection Increases Ruggedness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Widest Common Mode Voltage (CMV) Tolerance Improves Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cable Invert (Polarity Reversal) Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High VOD Improves Noise Immunity and Flexibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hot Plug Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Data Rate, Cables and Terminations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Built-in Driver Overload Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Low Power Shutdown Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Die Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

About Intersil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Package Outline Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

M14.15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

M8.15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Submit Document Feedback

FN7638.4

May 13, 2015

ISL31483E, ISL31485E

TABLE 1. SUMMARY OF FEATURES

PART

NUMBER

ISL31483E

ISL31485E

HALF/FULL

DUPLEX

Full

Half

DATA RATE

(Mbps)

SLEW-RATE

LIMITED?

Yes

POLARITY

REVERSAL

PINS?

Yes

QUIESCENT I

(mA)

2.3

LOW

POWER

SHDN?

Yes

EN PINS? HOT PLUG

Yes

Tx Only

Yes

PIN COUNT

Ordering Information

PART NUMBER

(Notes

1, 2, 3)

ISL31483EIBZ

ISL31485EIBZ

NOTES:

1. Add “-T*” suffix for tape and reel. Please refer to

TB347

for details on reel specifications.

2. 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.

3. For Moisture Sensitivity Level (MSL), please see product information page for

ISL31483E, ISL31485E.

For more information on MSL, please see tech

brief

TB363

PART

MARKING

ISL31483 EIBZ

31485 EIBZ

TEMP. RANGE

(°C)

-40 to +85

PACKAGE

(RoHS Compliant)

14 Ld SOIC

8 Ld SOIC

PKG.

DWG. #

M14.15

M8.15

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May 13, 2015

ISL31483E, ISL31485E

Pin Configurations

ISL31483E

(14 LD SOIC)

TOP VIEW

RINV 1

RO 2

RE 3

DE 4

DI 5

GND 6

GND 7

14 V

13 V

12 A

11 B

10 Z

9 Y

8 DINV

RO 1

INV 2

DE 3

DI 4

ISL31485E

(8 LD SOIC)

TOP VIEW

B/Z

A/Y

GND

Pin Descriptions

NAME

PIN #

ISL31483E ISL31485E

DESCRIPTION

Receiver output. If INV or RINV is low, then: If A - B



-10mV, RO is high; if A - B



-200mV, RO is low. If INV or RINV is high,

then: If B - A



-10mV, RO is high; if B - A



-200mV, RO is low. In all cases, RO = High if A and B are unconnected (floating),

or shorted together, or connected to an undriven, terminated bus (i.e., Rx is always failsafe open, shorted and idle, even

if polarity is inverted).

Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. Internally pulled low.

Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high and they are high impedance

when DE is low. Internally pulled high to V

Driver input. If INV or DINV is low, a low on DI forces output Y low and output Z high, while a high on DI forces output

Y high and output Z low. The output states relative to DI invert if INV or DINV is high.

Ground connection.

±60V Fault Protected RS-485/RS-422 level I/O pin. If INV is low, A/Y is the non-inverting receiver input and

non-inverting driver output. If INV is high, A/Y is the inverting receiver input and the inverting driver output. Pin is an

input if DE = 0; pin is an output if DE = 1.

±60V Fault Protected RS-485/RS-422 level I/O pin. If INV is low, B/Z is the inverting receiver input and inverting

driver output. If INV is high, B/Z is the non-inverting receiver input and the non-inverting driver output. Pin is an input

if DE = 0; pin is an output if DE = 1.

±60V Fault Protected RS-485/RS-422 level input. If RINV is low, then A is the non-inverting receiver input. If RINV is

high, then A is the inverting receiver input.

±60V Fault Protected RS-485/RS-422 level input. If RINV is low, then B is the inverting receiver input. If RINV is high,

then B is the non-inverting receiver input.

±60V Fault Protected RS-485/RS-422 level output. If DINV is low, then Y is the non-inverting driver output. If DINV

is high, then Y is the inverting driver output.

±60V Fault Protected RS-485/RS-422 level. If DINV is low, then Z is the inverting driver output. If DINV is high, then

Z is the non-inverting driver output.

System power supply input (4.5V to 5.5V).

Receiver and driver polarity selection input. When driven high this pin swaps the polarity of the driver output and receiver

input pins. If unconnected (floating) or connected low, normal RS-485 polarity conventions apply. Internally pulled low.

Receiver polarity selection input. When driven high this pin swaps the polarity of the receiver input pins. If unconnected

(floating) or connected low, normal RS-485 polarity conventions apply. Internally pulled low.

Driver polarity selection input. When driven high this pin swaps the polarity of the driver output pins. If unconnected

(floating) or connected low, normal RS-485 polarity conventions apply. Internally pulled low.

GND

A/Y

6, 7

B/Z

INV

RINV

DINV

13, 14

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FN7638.4

May 13, 2015

ISL31483E, ISL31485E

Truth Tables

TRANSMITTING

INPUTS

INV or DINV

High-Z

High-Z*

OUTPUTS

High-Z

High-Z*

(Half Duplex)

RECEIVING

INPUTS

(Full Duplex)

A-B



-0.01V



-0.2V



0.01V



0.2V

Inputs

Open or

Shorted

INV or

RINV

OUTPUT

High-Z*

High-Z

NOTE: *Low Power Shutdown Mode (See

Note 11),

except for ISL31485E.

NOTE: *Low Power Shutdown Mode (See

Note 11),

except for ISL31485E.

Typical Operating Circuits

+5V

INV

1 RO

0.1µF

RO 1

+5V

A/Y

B/Z

A/Y

3 DE

4 DI

GND

DE 3

DI 4

INV

NOTE: The IC on the left has the cable connections

swapped, so the INV pin is strapped high to invert its Rx and

Tx polarity.

FIGURE 3. ISL31485E HALF DUPLEX EXAMPLE

+5V

RINV

2 RO

3 RE

4 DE

5 DI

Y 9

GND

6, 7

Z 10

11 B

12 A

GND

6, 7

13, 14

B 11

A 12

0.1µF

13, 14

9 Y

10 Z

DI 5

DE 4

RE 3

RO 2

RINV

DINV

+5V

DINV

NOTE: The IC on the left has the cable connections swapped, so the INV

pins (1, 8) are strapped high to invert its Rx and Tx polarity.

FIGURE 4. ISL31483E FULL DUPLEX EXAMPLE

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ISL31483EIBZ-T13 Related Products

	ISL31483EIBZ-T13	ISL31483EIBZ-T7
Description	LINE TRANSCEIVER	LINE TRANSCEIVER
Maker	Renesas Electronics Corporation	Renesas Electronics Corporation
Reach Compliance Code	unknown	unknown
ECCN code	EAR99	EAR99
Interface integrated circuit type	LINE TRANSCEIVER	LINE TRANSCEIVER

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Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

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