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SN75LBC184 Datasheet PDF

Part Series:SN75LBC184 Series
Description:Transient Voltage Suppression Differential Transceiver
Document:SN75LBC184DR Datasheet PDF (29 Pages)

SN75LBC184 Datasheet PDF

28 Pages
TI
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Transient Voltage Suppression Differential Transceiver

SN75LBC184 - TI Specifications

TYPE
DESCRIPTION
Case/Package
1
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SN75LBC184 - TI Function Overview

The SN75LBC184 and SN65LBC184 devices are differential data line transceivers in the trade-standard footprint of the SN75176 with built-in protection against high-energy noise transients. This feature provides a substantial increase in reliability for better immunity to noise transients coupled to the data cable over most existing devices. Use of these circuits provides a reliable low-cost direct-coupled (with no isolation transformer) data line interface without requiring any external components.
The SN75LBC184 and SN65LBC184 can withstand overvoltage transients of 400-W peak (typical). The conventional combination wave called out in IEC 61000-4-5 simulates the overvoltage transient and models a unidirectional surge caused by overvoltages from switching and secondary lightning transients.
Integrated Transient Voltage Suppression
ESD Protection for Bus Terminals Exceeds:
±30 kV IEC 61000-4-2, Contact Discharge
±15 kV IEC 61000-4-2, Air-Gap Discharge
±15 kV EIA/JEDEC Human Body Model
Circuit Damage Protection of 400-W Peak
(Typical) Per IEC 61000-4-5
Controlled Driver Output-Voltage Slew Rates
Allow Longer Cable Stub Lengths
250-kbps in Electrically Noisy Environments
Open-Circuit Fail-Safe Receiver Design
1/4 Unit Load Allows for 128 Devices Connected
on Bus
Thermal Shutdown Protection
Power-Up and Power-Down Glitch Protection
Each Transceiver Meets or Exceeds the
Requirements of TIA/EIA-485 (RS-485) and
ISO/IEC 8482:1993(E) Standards
Low Disabled Supply Current 300 µA Maximum
Pin Compatible With SN75176
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