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ANALOG DEVICES LTC1485IS8#TRPBF

Differential Transceiver, RS422/RS485, 1 Driver, 1 Receiver, 4.75 to 5.25 V, NSOIC-8, -40 to 85 °C

ANALOG DEVICES LTC1485IS8#TRPBF
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Manufacturer Part No:
LTC1485IS8#TRPBF
Order Code:
4024186
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Technical Datasheet:
LTC1485IS8#TRPBF   Datasheet
ECAD / MCAD
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Product Overview

LTC1485 is a low power differential bus/line transceiver designed for multipoint data transmission standard RS485 applications with extended common-mode range (12V to -7V). It also meets the requirements of RS422. The CMOS with Schottky design offers significant power savings over its bipolar counterpart without sacrificing ruggedness against overload or ESD damage. The driver and receiver feature 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 into a high impedance state. I/O pins are protected against multiple ESD strikes of over ±10KV. The receiver has a fail-safe feature which guarantees a high output state when inputs are left open. Both AC and DC specifications are guaranteed from -40°C to 85°C and 4.75V to 5.25V supply voltage range. Applications include low power RS485/RS422 transceiver and level translator.
  • ESD protection over ±10KV, low power: ICC = 1.8mA typical
  • 28ns typical driver propagation delays with 4ns skew
  • Designed for RS485 or RS422 applications, single 5V supply
  • -7V to 12V bus common-mode range permits, ±7V ground difference between devices on the bus
  • Thermal shutdown protection, power-up/down glitch-free driver output
  • Driver maintains high impedance in three-state or with the power off
  • Combined impedance of a driver output and receiver allows up to 32 transceivers on the bus
  • 60mV typical input hysteresis
  • Pin-compatible with the SN75176A, DS75176A and SN75LBC176
  • 8-lead plastic SOIC package, -40°C to 85°C temperature range

Product Information

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:
RS422 / RS485 Transceiver

:
1Receivers

:
1

:
Half Duplex

:
10Mbps

:
4.75V

:
5.25V

:
NSOIC

:
8Pins

:
32

:
±10 kV (HBM)

:
Open

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited

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Technical Documents (1)

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