Line Transceiver with BiCMOS Technology and Lead-Free Construction

Quantity Unit Price(USD) Ext. Price
2 $0.639 $1.28
20 $0.550 $11.00
60 $0.487 $29.22
200 $0.436 $87.20
1000 $0.366 $366.00
2500 $0.356 $890.00


*The price is for reference only.
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Overview of SP3078EEN-L/TR

The SP3078EEN-L/TR is a multi-channel RS-485/RS-422 transceiver IC designed for industrial communication applications. It features enhanced ESD protection and high noise immunity, making it ideal for robust communication in harsh environments.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • A: Signal A Input/Output
  • B: Signal B Input/Output
  • GND: Ground
  • VCC: Positive Power Supply
  • ~RE: Receiver Enable
  • DE: Driver Enable

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the SP3078EEN-L/TR IC for a visual representation.

Key Features

  • Multi-Channel Transceiver: The SP3078EEN-L/TR provides multiple channels for RS-485/RS-422 communication.
  • ESD Protection: Enhanced ±16kV ESD protection on the RS-485/RS-422 pins ensures rugged operation in challenging environments.
  • High Noise Immunity: Built-in noise rejection capabilities enhance signal integrity in noisy industrial settings.
  • Low Power Consumption: This transceiver IC offers low power consumption for energy-efficient operation.
  • Extended Temperature Range: Suitable for use in industrial applications with a wide operating temperature range.

Note: For detailed technical specifications, please refer to the SP3078EEN-L/TR datasheet.


  • Industrial Communication: Ideal for industrial automation, process control, and factory networking applications.
  • Fieldbus Systems: Suitable for use in fieldbus systems requiring reliable RS-485/RS-422 communication.
  • Building Automation: Used in building automation systems for remote monitoring and control.


The SP3078EEN-L/TR is a robust multi-channel transceiver designed for reliable RS-485/RS-422 communication in industrial environments. It offers enhanced protection and noise immunity for seamless data exchange.

Usage Guide

  • Power Supply: Connect VCC (Pin) to the positive power supply and GND (Pin) to ground.
  • Data Connections: Connect the A/B pins to the RS-485/RS-422 communication lines.
  • Enable Control: Use ~RE (Receiver Enable) and DE (Driver Enable) pins to control the receiver and driver functionality.

Frequently Asked Questions

Q: What is the maximum data rate supported by the SP3078EEN-L/TR?
A: The SP3078EEN-L/TR can support data rates up to 10Mbps, making it suitable for high-speed industrial applications.

Q: Is the SP3078EEN-L/TR compatible with 3.3V supply voltage?
A: Yes, the SP3078EEN-L/TR is compatible with 3.3V supply voltage, providing flexibility in system design.


For similar functionalities, consider these alternatives to the SP3078EEN-L/TR:

  • SN65HVD485E: A multi-channel RS-485 transceiver IC with enhanced features for industrial communication.
  • MAX485: This RS-485 transceiver IC offers robust performance and compatibility with various systems.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer MAXLINEAR INC Package Description SOP,
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer MaxLinear, Inc.
Differential Output YES Driver Number of Bits 1
Interface Standard EIA-422; EIA-485; TIA-485 JESD-30 Code R-PDSO-G8
JESD-609 Code e3 Length 4.9 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C Package Body Material PLASTIC/EPOXY
Package Code SOP Package Shape RECTANGULAR
Package Style SMALL OUTLINE Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Receive Delay-Max 75 ns
Receiver Number of Bits 1 Seated Height-Max 1.75 mm
Supply Voltage-Max 3.6 V Supply Voltage-Min 3 V
Supply Voltage-Nom 3.3 V Surface Mount YES
Technology BICMOS Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN Terminal Form GULL WING
Terminal Pitch 1.27 mm Terminal Position DUAL
Transmit Delay-Max 50 ns Width 3.9 mm
Product Status Active Type Transceiver
Protocol RS422, RS485 Number of Drivers/Receivers 1/1
Duplex Half Receiver Hysteresis 15 mV
Data Rate 16Mbps Voltage - Supply 3.3V
Operating Temperature -40°C ~ 85°C Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Supplier Device Package 8-SOIC
Base Product Number SP3078

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