ISL8483EIB Intersil, ISL8483EIB Datasheet

IC TXRX RS-485/422 ESD 8-SOIC

ISL8483EIB

Manufacturer Part Number
ISL8483EIB
Description
IC TXRX RS-485/422 ESD 8-SOIC
Manufacturer
Intersil
Type
Transceiverr
Datasheet

Specifications of ISL8483EIB

Number Of Drivers/receivers
1/1
Protocol
RS422, RS485
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Intersil
Quantity:
6 000
ESD Protected to ±15kV, 5V, Low Power,
High Speed or Slew Rate Limited,
RS-485/RS-422 Transceivers
These Intersil RS-485, RS-422 devices are ESD protected,
BiCMOS 5V powered, single transceivers that meet both the
RS-485 and RS-422 standards for balanced communication.
Each driver output/receiver input is protected against ±15kV
ESD strikes, without latch-up. Unlike competitive devices,
this Intersil family is specified for 10% tolerance supplies
(4.5V to 5.5V).
The ISL8483E utilizes slew rate limited drivers which reduce
EMI, and minimize reflections from improperly terminated
transmission lines, or un-terminated stubs in multidrop and
multipoint applications.
Data rates up to 10Mbps are achievable by using the
ISL8485E which features higher slew rates.
Both devices present a “single unit load” to the RS-485 bus,
which allows up to 32 transceivers on the network.
Receiver (Rx) inputs feature a “fail-safe if open” design,
which ensures a logic high Rx output, if Rx inputs are
floating.
Driver (Tx) outputs are short circuit protected, even for
voltages exceeding the power supply voltage. Additionally,
on-chip thermal shutdown circuitry disables the Tx outputs to
prevent damage if power dissipation becomes excessive.
These half duplex configurations multiplex the Rx inputs and
Tx outputs to allow transceivers with Rx and Tx disable
functions in 8 lead packages.
NUMBER
ISL8483E
ISL8485E
PART
HALF/FULL
DUPLEX
Half
Half
TEMP?
MIL
Yes
No
®
1
ALLOWED
DEVICES
ON BUS
NO. OF
Data Sheet
32
32
DATA RATE
TABLE 1. SUMMARY OF FEATURES
(Mbps)
0.25
10
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
SLEW-RATE
LIMITED?
Yes
No
Features
• Pb-Free Available (RoHS Compliant)
• Military and Extended Industrial Temperature Options
• RS-485 I/O Pin ESD Protection
• Specified for 10% Tolerance Supplies
• High Data Rate Version (ISL8485E) . . . . . up to 10Mbps
• Slew Rate Limited Version for Error Free Data
• Single Unit Load Allows up to 32 Devices on the Bus
• 1nA Low Current Shutdown Mode (ISL8483E)
• Low Quiescent Current:
• -7V to +12V Common Mode Input Voltage Range
• Three State Rx and Tx Outputs
• 30ns Propagation Delays, 5ns Skew (ISL8485E)
• Operate from a Single +5V Supply (10% Tolerance)
• Current Limiting and Thermal Shutdown for driver
Applications
• Factory Automation
• Security Networks
• Building Environmental Control Systems
• Industrial/Process Control Networks
• Level Translators (e.g., RS-232 to RS-422)
• RS-232 “Extension Cords”
(+125°C)
- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM
Transmission (ISL8483E) . . . . . . . . . . . . . up to 250kbps
- 160µA (ISL8483E)
- 500µA (ISL8485E)
Overload Protection
September 9, 2008
RECEIVER/DRIVER
Copyright Intersil Americas Inc. 2003, 2004, 2005, 2008. All Rights Reserved.
ENABLE?
All other trademarks mentioned are the property of their respective owners.
Yes
Yes
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
ISL8483E, ISL8485E
QUIESCENT
I
CC
160
500
(
µ
A)
. . . . . . . . . . . . . ±
SHUTDOWN?
LOW POWER
Yes
No
FN6048.9
15kV HBM
COUNT
PIN
8
8

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ISL8483EIB Summary of contents

Page 1

... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2003, 2004, 2005, 2008. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. ISL8483E, ISL8485E FN6048.9 15kV HBM . . . . . . . . . . . . . ± ...

Page 2

... Inputs Open *Shutdown Mode for ISL8483E (see Note 7) 2 ISL8483E, ISL8485E Ordering Information PART NUMBER ISL8483ECPZ (Note) 7 B/Z ISL8483EIB** 6 A/Y ISL8483EIBZ** 5 GND (Note) ISL8483EIP ISL8483EIPZ (Note) ISL8485EABZ** (Note) OUTPUTS ISL8485ECB ISL8485ECBZ (Note ISL8485ECP High-Z High-Z ISL8485ECPZ (Note) High-Z * High-Z * ISL8485EIB** ...

Page 3

Pin Descriptions PIN RO Receiver output > least 0.2V high < 0.2V or more low High if A and B are unconnected (floating). RE Receiver ...

Page 4

... Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C +0.5V) Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below CC http://www.intersil.com/pbfree/Pb-FreeReflow.asp *Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in reflow solder processing applications. = 4.5V to 5.5V; Unless Otherwise Specified. ...

Page 5

Electrical Specifications Test Conditions: V Typicals are at V PARAMETER SYMBOL No-Load Supply Current, (Note Shutdown Supply Current I SHDN Driver Short-Circuit Current, I OSD1 V = High or Low O Receiver Short-Circuit Current I OSR SWITCHING ...

Page 6

Electrical Specifications Test Conditions: V Typicals are at V PARAMETER SYMBOL Driver Enable from Shutdown to t ZL(SHDN) Output Low Receiver Enable from Shutdown to t ZH(SHDN) Output High Receiver Enable from Shutdown to t ZL(SHDN) Output Low ESD PERFORMANCE ...

Page 7

Test Circuits and Waveforms SIGNAL GENERATOR FIGURE 2A. TEST CIRCUIT FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES SIGNAL Y GENERATOR C L (SHDN) FOR ISL8483E ONLY ...

Page 8

Test Circuits and Waveforms SIGNAL A GENERATOR (SHDN) FOR ISL8483E ONLY PARAMETER +1. -1. (Note 6) 0 +1. (Note 6) 0 -1. (Note 9) ...

Page 9

Data Rate, Cables, and Terminations RS485, RS-422 are intended for network lengths up to 4000 feet, but the maximum system data rate decreases as the transmission length increases. Devices operating at 10Mbps are limited to lengths less than 100 feet, ...

Page 10

Typical Performance Curves DIFFERENTIAL OUTPUT VOLTAGE (V) FIGURE 6. DRIVER OUTPUT CURRENT vs DIFFERENTIAL OUTPUT VOLTAGE 160 140 120 LOW 100 80 60 ...

Page 11

Typical Performance Curves PHLY t PHLZ 30 t PLHY 25 20 -40 0 -25 25 TEMPERATURE (°C) FIGURE 12. DRIVER PROPAGATION DELAY vs TEMPERATURE (ISL8485E) R DIFF B A/Y 1 ...

Page 12

Die Characteristics SUBSTRATE POTENTIAL (POWERED UP): GND TRANSISTOR COUNT: 518 PROCESS: Si Gate CMOS 12 ISL8483E, ISL8485E FN6048.9 September 9, 2008 ...

Page 13

Dual-In-Line Plastic Packages (PDIP INDEX N/2 AREA -B- -A- D BASE PLANE -C- SEATING PLANE 0.010 (0.25 NOTES: 1. Controlling Dimensions: INCH. In case of conflict between ...

Page 14

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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