Inicio Interfaz Transceptores RS-485 y RS-422
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Transceptores RS-485 y RS-422

SN75LBC184

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Transceptor diferencial de supresión de tensión transitoria

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SN75LBC184

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Detalles del producto

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 5 Signaling rate (max) (MBits) 0.25 IEC 61000-4-2 contact (±V) 30000 Fault protection (V) -15 to 15 Common-mode range (V) -7 to 12 Number of nodes 128 Features IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 25000 Rating Catalog Operating temperature range (°C) 0 to 70
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 5 Signaling rate (max) (MBits) 0.25 IEC 61000-4-2 contact (±V) 30000 Fault protection (V) -15 to 15 Common-mode range (V) -7 to 12 Number of nodes 128 Features IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 25000 Rating Catalog Operating temperature range (°C) 0 to 70
PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6
  • 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
  • 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

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.

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.
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Documentación técnica

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* Data sheet SNx5LBC184 Differential Transceiver With Transient Voltage Suppression datasheet (Rev. I) PDF | HTML 30 jun 2015

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