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LTC486CN Datasheet(PDF) 1 Page - Linear Technology

Part # LTC486CN
Description  Quad Low Power RS485 Driver
Download  8 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC486CN Datasheet(HTML) 1 Page - Linear Technology

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LTC486
Quad Low Power
RS485 Driver
DESCRIPTIO
APPLICATI
TYPICAL
DATA RATE (bps)
10k
10
100
1k
10k
100k
1M
10M
LTC486 • TA09
2.5M
* APPLIES FOR 24 GAUGE, POLYETHYLENE
DIELECTRIC TWISTED PAIR
RS485 Cable Length Specification*
s
Low Power RS485/RS422 Drivers
s
Level Translator
S
APPLICATI
S
FEATURE
s
Very Low Power: ICC = 110µA Typ
s
Designed for RS485 or RS422 Applications
s
Single 5V Supply
s
– 7V to 12V Bus Common-Mode Range Permits
±7V GND Difference Between Devices on the Bus
s
Thermal Shutdown Protection
s
Power-Up/Down Glitch-Free Driver Outputs Permit
Live Insertion/Removal of Package
s
Driver Maintains High Impedance in Three-State or
with the Power Off
s
28ns Typical Driver Propagation Delays
with 5ns Skew
s
Pin Compatible with the SN75172, DS96172,
µA96172, and DS96F172
The LTC486 is a low power differential bus/line driver
designed for multipoint data transmission standard RS485
applications with extended common-mode range (12V to
–7V). It also meets RS422 requirements.
The CMOS design offers significant power savings over its
bipolar counterpart without sacrificing ruggedness against
overload or ESD damage.
The driver features three-state outputs, with the driver
outputs maintaining high impedance over the entire
common-mode range. Excessive power dissipation caused
by bus contention or faults is prevented by a thermal
shutdown circuit which forces the driver outputs into a
high impedance state.
Both AC and DC specifications are guaranteed from 0
°C to
70
°C (Commercial), –40°C to 85°C (Industrial), over the
4.75V to 5.25V supply voltage range.
LTC486 • TA01
RECEIVER
EN
DI
EN
44
12
1
1/4 LTC486
120
120
RO
3
EN
2
1
1/4 LTC488
4000 FT BELDEN 9841
DRIVER


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