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ISL3159EIUZ-T7A

Description
RS-422/RS-485 interface IC RS-485 iec-61000 isl 3159e1/2dup5v40mbp
Categorysemiconductor    Other integrated circuit (IC)   
File Size1MB,17 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Environmental Compliance  
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ISL3159EIUZ-T7A Overview

RS-422/RS-485 interface IC RS-485 iec-61000 isl 3159e1/2dup5v40mbp

ISL3159EIUZ-T7A Parametric

Parameter NameAttribute value
ManufactureIntersil
Product CategoryRS-422/RS-485 Interface IC
RoHSYes
FunctiTransceivers
Data Rate40 Mb/s
Operating Supply Voltage5 V
Supply Curre4 mA
Operating Temperature Range- 40 C to + 125 C
Mounting StyleSMD/SMT
Package / CaseMSOP-8
Maximum Operating Temperature+ 125 C
Minimum Operating Temperature- 40 C
PackagingReel
ShutdowYes
Factory Pack Quantity250
DATASHEET
ISL3159E
±15kV ESD Protected, +125°C, 40Mbps, 5V, PROFIBUS, Full Fail-Safe,
RS-485/RS-422 Transceiver
The
ISL3159E
is a ±15kV IEC61000 ESD protected, 5V
powered, single transceiver that meets both the RS-485 and
RS-422 standards for balanced communication. It also
features the larger output voltage and higher data rate (up to
40Mbps) required by high speed PROFIBUS applications, and
is offered in industrial and extended Industrial (-40°C to
+125°C) temperature ranges. The low bus currents
(+220µA/-150µA) present a 1/5 unit load to the RS-485 bus.
This allows up to 160 transceivers on the network without
violating the RS-485 specification’s load limit and without
using repeaters.
This transceiver requires a 5V ±10% tolerance supply, and
delivers at least a 2.1V differential output voltage over this
supply range. This translates into better noise immunity (data
integrity), longer reach, or the ability to drive up to six 120Ω
terminations in “star” or other nonstandard bus topologies, at
the exceptional 40Mbps data rate.
SCSI applications benefit from the ISL3159E’s low receiver
and transmitter part-to-part skews. The ISL3159E is perfect for
high speed parallel applications requiring simultaneous
capture of large numbers of bits. The low bit-to-bit skew eases
the timing constraints on the data latching signal.
Receiver (Rx) inputs feature a “full fail-safe” design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or terminated but undriven. Rx outputs feature high
drive levels (typically >30mA at V
OL
= 1V) to ease the design of
optically isolated interfaces.
Hot plug circuitry ensures that the Tx and Rx outputs remain in
a high impedance state while the power supply stabilizes.
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.
FN6364
Rev.3.00
Aug 28, 2017
Features
• IEC61000 ESD protection on RS-485 I/O pins . . . . . . ±15kV
- Class 3 HBM ESD level on all other pins . . . . . . . . . . . >9kV
• Large differential V
OUT
. . . . . . . . . . . . . . . . . . . 2.8V into 54Ω
Better noise immunity, or drive up to 6 terminations
• High data rates. . . . . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps
• Specified for +125°C operation
• 11/13ns (maximum) Tx/Rx propagation delays; 1.5ns
(maximum) skew
• 1/5 unit load allows up to 160 devices on the bus
• Full fail-safe (open, shorted, terminated/undriven) receiver
• High Rx I
OL
to drive optocouplers for isolated applications
• Hot plug - Tx and Rx outputs remain three-state during
power-up
• Low quiescent supply current. . . . . . . . . . . . . . . . . . . . . . 4mA
• Low current shutdown mode . . . . . . . . . . . . . . . . . . . . . . . 1µA
• -7V to +12V common-mode input voltage range
• Three-state Rx and Tx outputs
• Operates from a single +5V supply (10% tolerance)
• Current limiting and thermal shutdown for driver overload
protection
• Pb-free (RoHS compliant)
Applications
• PROFIBUS DP and FMS networks
• SCSI “fast 40” drivers and receivers
• Motor controller/position encoder systems
• Factory automation
• Field bus networks
• Security networks
• Building environmental control systems
• Industrial/process control networks
Related Literature
• For a full list of related documents, refer to our website
-
ISL3159E
product page
+5V
+
8
V
CC
1 RO
2 RE
3 DE
4 DI
D
GND
5
R
B/Z
A/Y
7
6
R
T
0.1µF
SOIC AND MSOP PIN NUMBERS SHOWN
0.1µF
+
+5V
8
V
CC
D
DI 4
DE 3
RE 2
R
GND
5
RO 1
R
T
7
6
B/Z
A/Y
FIGURE 1. TYPICAL OPERATING CIRCUIT
FN6364 Rev.3.00
Aug 28, 2017
Page 1 of 17
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