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LT1791CS

LT1791CS

IC TXRX RS485/RS422 60V 14-SOIC

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In Stock

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Shenzhen
7666 pcs
Shanghai
7420 pcs
Hong Kong
5683 pcs
United States
2606 pcs
The above prices and inventory are for reference only, please consult customer service for the latest quotation and inventory!

Specifications of LT1791CS

Part Number LT1791CS
Date Code 2031
Quantity Available 23375 pcs
Manufacturer Linear Technology/Analog Devices
Lead Time Ship within 24 hours
QTY 1500
Datasheet LT1791.pdf
Minimum Quantity More than 50pcs
Distributor SingSun
RoHS Status Lead free / RoHS Compliant
Ship From Hong Kong
Shipment Way EMS/SF/DHL/TNT/UPS/FedEx
Country of Assembly THAILAND
Country of Diffusion UNITED STATES
Base Product Number LT1791
Packaging Tube
Lot Number ZJ84645.13
MSL 1
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Full
Receiver Hysteresis 20mV
Data Rate 250kbps
Voltage - Supply 4.75 V ~ 5.25 V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC

LT1791CS Features

● Protected from Overvoltage Line Faults to ±60V
● Pin Compatible with LTC485 and LTC491
● High Input Impedance Supports Up to 128 Nodes
● No Damage or Latchup to ESD
  ○ IEC-1000-4-2 Level 4: ±15kV Air Discharge
  ○ IEC-1000-4-2 Level 2: ±4kV Contact Discharge
● Controlled Slew Rates for EMI Emissions Control
● Guaranteed High Receiver Output State for Floating, Shorted or Inactive Inputs (LT1785A/LT1791A)
● Outputs Assume a High Impedance When Off or Powered Down
● Drives Low Cost, Low Impedance Cables
● Short-Circuit Protection on All Outputs
● Thermal Shutdown Protection
● Guaranteed Operation to 125°C
● AEC-Q100 Qualified for Automotive Applications (LT1785#W)

LT1791CS Applications

● Industrial Control Data Networks
● CAN Bus Applications
● HVAC Controls

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LT1791CS Description

The LT1791CS are half-duplex and full-duplex differential bus transceivers for RS485 and RS422 applications which feature on-chip protection from overvoltage faults on the data transmission lines. Receiver input and driver output pins can withstand voltage faults up to ±60V with respect to ground with no damage to the device. Faults may occur while the transceiver is active, shut down or powered off.

Data rates to 250kbaud on networks of up to 128 nodes are supported. Controlled slew rates on the driver outputs control EMI emissions and improve data transmission integrity on improperly terminated lines. Drivers are specified to operate with inexpensive cables as low as 72Ω characteristic impedance.

The LT1791CS devices have “fail-safe” receiver inputs to guarantee a receiver output high for shorted, open or inactive data lines. On-chip ESD protection eliminates need for external protection devices.

The LT1791CS in 14-lead DIP and SO packages.

LT1791CS Tags

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