M
Features
鈥?Supports 1 Mb/s operation
鈥?Implements ISO-11898 standard physical layer
requirements
鈥?Suitable for 12V and 24V systems
鈥?Externally-controlled slope for reduced RFI
emissions
鈥?Detection of ground fault (permanent dominant)
on TXD input
鈥?Power-on reset and voltage brown-out protection
鈥?An unpowered node or brown-out event will not
disturb the CAN bus
鈥?Low current standby operation
鈥?Protection against damage due to short-circuit
conditions (positive or negative battery voltage)
鈥?Protection against high-voltage transients
鈥?Automatic thermal shutdown protection
鈥?Up to 112 nodes can be connected
鈥?High noise immunity due to differential bus
implementation
鈥?Temperature ranges:
- Industrial (I): -40掳C to +85掳C
- Extended (E): -40掳C to +125掳C
PDIP/SOIC
MCP2551
Package Types
High-Speed CAN Transceiver
TXD
V
SS
V
DD
RXD
1
8
R
S
CANH
CANL
V
REF
3
4
MCP2551
V
DD
V
SS
2
7
6
5
Block Diagram
V
DD
TXD
Slope
Control
TXD
Dominant
Detect
Thermal
Shutdown
Driver
Control
Power-On
Reset
CANH
0.5 V
DD
GND
Reference
Voltage
Receiver
CANL
R
S
RXD
V
REF
铮?/div>
2002 Microchip Technology Inc.
Preliminary
DS21667C-page 1
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