SN75LBC184DR
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Texas Instruments SN75LBC184DR

Manufacturer No:
SN75LBC184DR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TRANSCEIVER HALF 1/1 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The SN75LBC184DR is a differential data line transceiver produced by Texas Instruments. It is designed in the trade-standard footprint of the SN75176 and features built-in protection against high-energy noise transients, enhancing reliability and immunity to noise. This transceiver is suitable for direct-coupled data line interfaces without the need for external components or isolation transformers.

Key Specifications

Parameter Description
Package 8-SOIC (Surface Mount)
Package Size 4.9mm × 6mm
Data Rate 250 kbps
Duplex Half
Protocol RS422, RS485
Receiver Hysteresis 70 mV
Supply Voltage 4.75 V to 5.25 V
Operating Temperature 0°C to 70°C
ESD Protection ±30 kV IEC 61000-4-2 (contact and air-gap discharge)
Transient Voltage Suppression 400 W peak (typical) per IEC 61000-4-5
Disabled Supply Current 300 μA maximum

Key Features

  • Integrated transient voltage suppression and ESD protection exceeding ±30 kV IEC 61000-4-2 for bus terminals.
  • Circuit damage protection of 400 W peak (typical) per IEC 61000-4-5.
  • Controlled driver output-voltage slew rates allowing longer cable stub lengths.
  • Open-circuit fail-safe receiver design.
  • 1/4 unit load, enabling up to 128 devices on the bus.
  • Thermal shutdown protection and power-up/power-down glitch protection.
  • Compliance with TIA/EIA-485 (RS-485) and ISO/IEC 8482:1993(E) standards.
  • Low disabled supply current of 300 μA maximum.
  • Pin compatible with SN75176.

Applications

  • Industrial networks.
  • Utility meters.
  • Motor control systems.

Q & A

  1. What is the primary function of the SN75LBC184DR?

    The SN75LBC184DR is a differential data line transceiver designed for RS422 and RS485 communication protocols.

  2. What are the key protection features of the SN75LBC184DR?

    The device features integrated transient voltage suppression and ESD protection exceeding ±30 kV IEC 61000-4-2, as well as circuit damage protection of 400 W peak (typical) per IEC 61000-4-5.

  3. What is the data rate supported by the SN75LBC184DR?

    The SN75LBC184DR supports a data rate of up to 250 kbps.

  4. What is the operating temperature range of the SN75LBC184DR?

    The operating temperature range is from 0°C to 70°C.

  5. Is the SN75LBC184DR compatible with other devices?

    Yes, it is pin compatible with the SN75176.

  6. What are the typical applications of the SN75LBC184DR?

    Typical applications include industrial networks, utility meters, and motor control systems.

  7. What is the supply voltage range for the SN75LBC184DR?

    The supply voltage range is from 4.75 V to 5.25 V.

  8. Does the SN75LBC184DR have thermal shutdown protection?

    Yes, it includes thermal shutdown protection.

  9. How many devices can be connected on the bus using the SN75LBC184DR?

    Up to 128 devices can be connected on the bus due to its 1/4 unit load capability.

  10. Is the SN75LBC184DR RoHS compliant?

    Yes, the SN75LBC184DR is lead-free and RoHS compliant.

Product Attributes

Type:Transceiver
Protocol:RS422, RS485
Number of Drivers/Receivers:1/1
Duplex:Half
Receiver Hysteresis:70 mV
Data Rate:250kbps
Voltage - Supply:4.75V ~ 5.25V
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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$4.24
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Similar Products

Part Number SN75LBC184DR SN75LBC180DR SN75LBC182DR SN75LBC184D
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Last Time Buy Active Active
Type Transceiver Transceiver Transceiver Transceiver
Protocol RS422, RS485 RS422, RS485 RS422, RS485 RS422, RS485
Number of Drivers/Receivers 1/1 1/1 1/1 1/1
Duplex Half Full Half Half
Receiver Hysteresis 70 mV 45 mV 70 mV 70 mV
Data Rate 250kbps - 250kbps 250kbps
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 14-SOIC 8-SOIC 8-SOIC

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