MCP2551-E/SN* Microchip

MCP2551 High-Speed CAN Transceiver Features Package Types Supports 1 Mb/s operation PDIP/SOIC Implements ISO-11898 standard physical layer requirements Suitable for 12V and 24V systems TXD 1 8 RS Externally-controlled slope for reduced RFI VSS 2 7 CANH emissions Detection of ground fault (permanent Dominant) VDD 3 6 CANL on TXD input Power-on Reset and voltage brown-out protection RXD 4 5 VREF An unpowered node or brown-out event will not disturb the CAN bus Low current standby operation Protection against damage due to short-circuit conditions (positive or negative battery voltage) Protection against high-voltage transients Automatic thermal shutdown protection Up to 112 nodes can be connected High-noise immunity due to differential bus implementation Temperature ranges: - Industrial (I): -40C to +85C - Extended (E): -40C to +125C Block Diagram VDD TXD Thermal Dominant Shutdown VDD Detect Driver TXD Control Slope Power-On CANH RS Control Reset 0.5 VDD RXD GND CANL Receiver Reference VREF Voltage VSS 2010 Microchip Technology Inc. DS21667F-page 1 MCP2551MCP2551 NOTES: DS21667F-page 2 2010 Microchip Technology Inc.