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ISL32498EIBZ-T7A

Description
RS-422/RS-485 interface IC 8ld ovp -40+85 5V RS 1/2 dup 10mbps trans
Categorysemiconductor    Other integrated circuit (IC)   
File Size1MB,22 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Environmental Compliance  
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ISL32498EIBZ-T7A Overview

RS-422/RS-485 interface IC 8ld ovp -40+85 5V RS 1/2 dup 10mbps trans

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, 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.
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.
Receiver (Rx) inputs feature a “full fail-safe” design that 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. Refer to
Table 1 on
page 2
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, refer to
the
ISL32483E
datasheet.
FN7786
Rev.5.00
Sep 18, 2017
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
product 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.5.00
Sep 18, 2017
Page 1 of 22

ISL32498EIBZ-T7A Related Products

ISL32498EIBZ-T7A ISL32495EIBZ-T7A ISL32490EIUZ-T7A ISL32496EIBZ-T ISL32493EIBZ-T ISL32490EIBZ-T ISL32490EIBZ-T7A ISL32496EIUZ-T7A ISL32496EIBZ-T7A ISL32498EIBZ-T
Description RS-422/RS-485 interface IC 8ld ovp -40+85 5V RS 1/2 dup 10mbps trans RS-422/RS-485 interface IC 8ld ovp -40+85 5V RS 1/2 dup 1mbps tran RS-422/RS-485 interface IC 10ld HI-esd ovp 5V -40+85 full dup 250k RS-422/RS-485 interface IC 14ld ovp -40+85 HI esd 5V RS-485 10mbps RS-422/RS-485 interface IC 14ld ovp -40+85 HI esd 5V RS-485 10mbps RS-422/RS-485 interface IC 14ld ovp -40+85 HI esd 5V RS-485 10mbps RS-422/RS-485 interface IC 14ld ovp -40+85 5V FL dup 250kbps trans RS-422/RS-485 interface IC 10ld ovp-40+85 5V full dup 10mb RS-422/RS-485 interface IC 14ld ovp -40+85 5V FL dup 10mbps trans RS-422/RS-485 interface IC 8ld ovp -40+85 5V HI-esd polarity
Manufacture - Intersil Intersil Intersil Intersil Intersil Intersil Intersil Intersil Intersil
Product Category - RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC
RoHS - Yes Yes Yes Yes Yes Yes Yes Yes Yes
Functi - Transceivers Transceivers Transceivers Transceivers Transceivers Transceivers Transceivers Transceivers Transceivers
Number of Drivers - 1 Drive - 1 Drive 1 Drive 1 Drive 1 Drive - 1 Drive 1 Drive
Number of Receivers - 1 Receive - 1 Receive 1 Receive 1 Receive 1 Receive - 1 Receive 1 Receive
Data Rate - 1 Mb/s 1.5 Mb/s 15 Mb/s 1 Mb/s 250 kb/s 250 Mb/s 1.5 Mb/s 15 Mb/s 15 Mb/s
Operating Supply Voltage - 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Operating Temperature Range - - 40 C to + 85 C - 40 C to + 85 C + 85 C + 85 C + 85 C - 40 C to + 85 C - 40 C to + 85 C - 40 C to + 85 C + 85 C
Mounting Style - SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT
Package / Case - SOIC-8 MSOP-10 SOIC-14 Narrow SOIC-14 Narrow SOIC-14 Narrow SOIC-14 MSOP-10 SOIC-14 SOIC-8 Narrow
Maximum Operating Temperature - + 85 C + 85 C + 85 C + 85 C + 85 C + 85 C + 85 C + 85 C + 85 C
Minimum Operating Temperature - - 40 C - 40 C - 40 C - 40 C - 40 C - 40 C - 40 C - 40 C - 40 C
Packaging - Reel Reel Reel Reel Reel Reel Reel Reel Reel
Factory Pack Quantity - 250 250 2500 2500 2500 250 250 250 2500
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