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ISL32492EIBZ-T

Description
±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V CMR and ESD Protection; MSOP8, SOIC8; Temp Range: -40° to 85°C
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1MB,22 Pages
ManufacturerRenesas Electronics Corporation
Websitehttps://www.renesas.com/
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ISL32492EIBZ-T Overview

±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V CMR and ESD Protection; MSOP8, SOIC8; Temp Range: -40° to 85°C

ISL32492EIBZ-T Parametric

Parameter NameAttribute value
Brand NameIntersil
MakerRenesas Electronics Corporation
Parts packaging codeMSOP, SOIC
package instructionSOIC-8
Contacts8, 8
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time17 weeks
Differential outputYES
Number of drives1
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-485; EIA-422
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level2
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Minimum output swing0.8 V
Maximum output low current0.006 A
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum receive delay280 ns
Number of receiver bits1
Maximum seat height1.75 mm
Maximum slew rate4.5 mA
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 formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
maximum transmission delay1000 ns
width3.9 mm
Base Number Matches1
DATASHEET
ISL32490E, ISL32492E, ISL32493E, ISL32495E, ISL32496E, ISL32498E
±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V CMR and ESD Protection
The
ISL32490E, ISL32492E, ISL32493E, ISL32495E,
ISL32496E,
and
ISL32498E
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 and are protected against ±16.5kV ESD strikes without
latch-up. Additionally, the extended Common-Mode Range
(CMR) 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.
The transmitters (Tx) 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.
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
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 RS-485
transceivers with cable invert (polarity reversal) pins, see the
ISL32483E
datasheet.
FN7786
Rev.6.00
Feb 8, 2019
Features
• Fault protected RS-485 bus pins . . . . . . . . . . . . . . up to ±60V
• Extended CMR . . . . . . . . . . ±25V (more than twice the range
required for RS-485)
• ±16.5kV HBM ESD protection on RS-485 bus pins
• 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
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
Related Literature
• For a full list of related documents, visit our website:
-
ISL32490E, ISL32492E, ISL32493E, ISL32495E,
ISL32496E,
and
ISL32498E
device pages
30
B
25
20
VOLTAGE (V)
15
10
5
RO
0
-5
TIME (20ns/DIV)
A
V
ID
= ±1V
25
COMMON-MODE RANGE
12
0
-7
-12
-20
-25
STANDARD RS-485
TRANSCEIVER
CLOSEST
COMPETITOR
ISL3249xE
FIGURE 1. EXCEPTIONAL Rx OPERATES AT >15Mbps EVEN WITH A
±25V COMMON-MODE VOLTAGE
FIGURE 2. ISL3249xE DELIVERS SUPERIOR COMMON-MODE
RANGE vs STANDARD RS-485 DEVICES
FN7786 Rev.6.00
Feb 8, 2019
Page 1 of 22
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