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ISL3280EIHZ-T 数据表(PDF) 1 Page - Intersil Corporation

部件名 ISL3280EIHZ-T
功能描述  ±16.5kV ESD Protected, 125°C, 3.0V to 5.5V, SOT-23/TDFN Packaged, 20Mbps, Full Fail-safe, Low Power, RS-485/RS-422 Receivers
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

ISL3280EIHZ-T 数据表(HTML) 1 Page - Intersil Corporation

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DATASHEET
±16.5kV ESD Protected, +125°C, 3.0V to 5.5V,
SOT-23/TDFN Packaged, 20Mbps, Full Fail-safe, Low
Power, RS-485/RS-422 Receivers
ISL3280E, ISL3281E, ISL3282E, ISL3283E, ISL3284E, ISL3285E
The Intersil ISL3280E, ISL3281E, ISL3282E, ISL3283E,
ISL3284E, ISL3285E are ±16.5kV IEC61000 ESD Protected,
3.0V to 5.5V powered, single receivers that meet both the
RS-485 and RS-422 standards for balanced communication.
These receivers have very low bus currents (+125µA/-100µA),
so they present a true “1/8 unit load” to the RS-485 bus. This
allows up to 256 receivers on the network without violating the
RS-485 specification’s 32 unit load maximum and without using
repeaters.
Receiver inputs feature a “Full Fail-Safe” design, which ensures
a logic high Rx output if Rx inputs are floating, shorted, or
terminated but undriven.
The ISL3280E and ISL3284E feature an always enabled Rx;
the ISL3281E and ISL3285E feature an active high Rx enable
pin and the ISL3282E and ISL3283E include an active low
enable pin. All versions are offered in Industrial and Extended
Industrial (-40°C to +125°C) temperature ranges.
A 26% smaller footprint is available with the ISL3282E and
ISL3285E TDFN package. These devices, plus the ISL3284E,
also feature a logic supply pin (VL) that sets the VOH level of
the RO output (and the switching points of the RE/RE input) to
be compatible with another supply voltage in mixed voltage
systems.
For companion single RS-485 transmitters in micro packages,
please see the ISL3293E datasheet.
Features
• IEC61000 ESD protection on RS-485 inputs . . . . . . . ±16.5kV
- Class 3 ESD level on all other pins. . . . . . . . . . . .>5kV HBM
• Pb-free (RoHS compliant)
• Wide supply range . . . . . . . . . . . . . . . . . . . . . . . . . 3.0V to 5.5V
• Specified for +125°C operation
• Logic supply pin (VL) eases operation in mixed supply
systems (ISL3282E, ISL3284E, ISL3285E only)
• Full fail-safe (open, short, terminated/undriven)
• True 1/8 unit load allows up to 256 devices on the bus
• High data rates. . . . . . . . . . . . . . . . . . . . . . . . . . up to 20Mbps
• Low quiescent supply current. . . . . . . . . . . . . . . 500µA (max)
- Very low shutdown supply current . . . . . . . . . . 20µA (max)
• -7V to +12V common mode input voltage range
• Tri-statable Rx available (active low or high EN input)
• 5V tolerant logic inputs when VCC ≤ 5V
Applications
• Clock distribution
• High node count systems
• Space constrained systems
•Security camera networks
• Building environmental control/lighting systems
• Industrial/process control networks
TABLE 1. SUMMARY OF FEATURES
PART NUMBER
FUNCTION
DATA RATE
(Mbps)
# DEVICES
ON BUS
RX
ENABLE?
VL PIN?
QUIESCENT ICC
(µA)
LOW POWER
SHUTDOWN?
LEAD
COUNT
ISL3280E
1 Rx
20
256
NO
NO
350
NO
5-SOT
ISL3281E
1 Rx
20
256
ACTIVE HIGH
NO
350
YES
6-SOT
ISL3282E
1 Rx
20
256
ACTIVE LOW
YES
350
YES
8-TDFN
ISL3283E
1 Rx
20
256
ACTIVE LOW
NO
350
YES
6-SOT
ISL3284E
1 Rx
20
256
NO
YES
350
NO
6-SOT
ISL3285E
(No longer available or supported)
1 Rx
20
256
ACTIVE HIGH
YES
350
YES
8-TDFN
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas LLC 2007, 2014, 2015. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
July 27, 2015
FN6543.4


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