MCP2551 Maximum Ratings
VDD...................................................................................................................................................................7.0V
DC Voltage at TXD, RXD, VREF and VS......................................................................................-0.3V to VDD + 0.3V
DC Voltage at CANH, CANL (Note 1).................................................................................................. -42V to +42V
Transient Voltage on Pins 6 and 7 (Note 2)................................................................................... -250V to +250V
Storage temperature ..................................................................................................................55°C to +150°C
Operating ambient temperature ................................................................................................-40°C to +125°C
Virtual Junction Temperature, TVJ (Note 3) ...............................................................................-40°C to +150°C
Soldering temperature of leads (10 seconds) .......................................................................................... +300°C
ESD protection on CANH and CANL pins (Note 4) ............................................................................................ 6 kV
ESD protection on all other pins (Note 4) ........................................................................................................ 4 kV
Note 1: Short-circuit applied when TXD is high and low.
2: In accordance with ISO-7637.
3: In accordance with IEC 60747-1.
4: Classification A: Human Body Model.
MCP2551 Features
• Supports 1 Mb/s operation
• Implements ISO-11898 standard physical layer requirements
• Suitable for 12V and 24V systems
• Externally-controlled slope for reduced RFI emissions
• Detection of ground fault (permanent dominant) on TXD input
• Power-on reset and voltage brown-out protection
• 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): -40°C to +85°C
- Extended (E): -40°C to +125°C
MCP2551 Connection Diagram
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