Microchip Technology MCP2551-E/SN Linear IC User Manuals

Table of Contents

• 1.0 Device Overview

  3
  • 1.1 Transmitter Function

    3
  • 1.2 Receiver Function

    3
  • 1.3 Internal Protection

    3
  • 1.4 Operating Modes

    3
    • TABLE 1-1: Modes of Operation

      4
    • TABLE 1-2: Transceiver Truth Table

      4
    • FIGURE 1-1: Slew Rate vs. Slope-control Resistance Value

      4
  • 1.5 TXD Permanent Dominant Detection

    5
  • 1.6 Power-on Reset

    5
  • 1.7 Pin Descriptions

    5
    • TABLE 1-3: MCP2551 Pinout

      5
• 2.0 Electrical Characteristics

  7
  • 2.1 Terms and Definitions

    7
    • FIGURE 2-1: Physical Layer Definitions

      7
  • 2.2 DC Characteristics

    9
    • FIGURE 2-1: Test Circuit for Electrical Characteristics

      11
    • FIGURE 2-2: Test circuit for automotive transients

      11
    • FIGURE 2-3: Hysteresis of the Receiver

      11
  • 2.3 AC Characteristics

    12
  • 2.4 Timing Diagrams and Specifications

    13
    • FIGURE 2-4: Timing Diagram for AC Characteristics

      13
    • FIGURE 2-5: Timing diagram for wake-up from standby

      13
    • FIGURE 2-6: Timing diagram for bus dominant to RXD low (Standby mode)

      13
• 3.0 Packaging Information

  15
  • 3.1 Package Marking Information

    15
• Trademarks

  23
• Worldwide Sales

  24