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ISL31490EIRTZ-T7A

Description
±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range; DFN10, MSOP10, SOIC14; Temp Range: -40° to 85°C
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1MB,26 Pages
ManufacturerRenesas Electronics Corporation
Websitehttps://www.renesas.com/
Environmental Compliance
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ISL31490EIRTZ-T7A Overview

±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range; DFN10, MSOP10, SOIC14; Temp Range: -40° to 85°C

ISL31490EIRTZ-T7A Parametric

Parameter NameAttribute value
Brand NameIntersil
Is it Rohs certified?conform to
MakerRenesas Electronics Corporation
Parts packaging codeDFN, MSOP, SOIC
package instructionHVSON,
Contacts10, 10, 14
Reach Compliance Codecompliant
ECCN codeEAR99
Differential outputYES
Number of drives1
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-422; EIA-485
JESD-30 codeS-PDSO-N10
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Maximum receive delay280 ns
Number of receiver bits1
Maximum seat height0.8 mm
Maximum supply voltage5.5 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
maximum transmission delay1000 ns
width3 mm
NOT RECOMMENDED FOR NEW DESIGNS
FOR EXACT REPLACEMENT SEE
ISL32490E Series Datasheet
DATASHEET
FN7637
Rev 3.00
May 13, 2015
ISL31490E, ISL31491E, ISL31492E, ISL31493E, ISL31495E,
ISL31496E, ISL31498E
The
ISL31490E, ISL31491E, ISL31492E, ISL31493E,
ISL31495E, ISL31496E, ISL31498E
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
protected against faults 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 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. Rx outputs have high
drive levels - typically 15mA at V
OL
= 1V (for opto-coupled,
isolated applications).
Half duplex (Rx inputs and Tx outputs multiplexed together)
and full duplex pinouts are available. See
Table 1 on page 3
for
key features and configurations by device number.
For fault protected or wide common mode range devices with
cable invert (polarity reversal) please see the
ISL32485E
datasheet.
Features
• Fault protected RS-485 bus pins . . . . . . . . . . . . . . up to ±60V
• Extended common mode range. . . . . . . . . . . . . . . . . . . . ±25V
More than twice the range required for RS-485
• 1/4 unit load for up to 128 devices on the bus
• High transient overvoltage tolerance. . . . . . . . . . . . . . . . ±80V
• Full fail-safe (open, short, terminated) RS-485 receivers
• High Rx I
OL
for opto-couplers in isolated designs
• Hot plug circuitry - Tx and Rx outputs remain three-state
during power-up/power-down
• Choice of RS-485 data rates. . . . . . . . . . 250kbps to 15Mbps
• Low quiescent supply current. . . . . . . . . . . . . . . . . . . . 2.3mA
• Ultra low shutdown supply current. . . . . . . . . . . . . . . . . . 10µA
• Pb-free (RoHS compliant)
Applications
• Utility meters/automated meter reading systems
• High node count systems
• PROFIBUS™ and field bus networks, and factory automation
• Security camera networks
• Building lighting and environmental control systems
• Industrial/process control networks
30
B
25
20
VOLTAGE (V)
15
10
5
VID = ±1V
COMMON MODE RANGE
25
A
12
0
-7
-12
-20
-25
STANDARD RS-485
TRANSCEIVER
CLOSEST
COMPETITOR
ISL3149xE
RO
0
-5
TIME (20ns/DIV)
FIGURE 1. EXCEPTIONAL Rx OPERATES AT >15Mbps EVEN WITH A
±25V COMMON MODE VOLTAGE
FIGURE 2. ISL3149XE DELIVERS SUPERIOR COMMON MODE
RANGE vs STANDARD RS-485 DEVICES
FN7637 Rev 3.00
May 13, 2015
Page 1 of 26
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