PCA82C250
CAN controller interface
Rev. 06 — 26 March 2009
Product data sheet
1. General description
The PCA82C250 is the interface between a CAN protocol controller and the physical bus.
The device provides differential transmit capability to the bus and differential receive
capability to the CAN controller.
2. Features
I
I
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I
I
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Fully compatible with the
“ISO 11898”
standard
High speed (up to 1 MBd)
Bus lines protected against transients in an automotive environment
Slope control to reduce Radio Frequency Interference (RFI)
Differential receiver with wide common-mode range for high immunity against
ElectroMagnetic Interference (EMI)
Thermally protected
Short-circuit proof to battery and ground
Low-current Standby mode
An unpowered node does not disturb the bus lines
At least 110 nodes can be connected
3. Applications
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High-speed automotive applications (up to 1 MBd).
4. Quick reference data
Table 1.
Symbol
V
CC
I
CC
1/t
bit
V
CAN
V
diff
t
PD
T
amb
Quick reference data
Parameter
supply voltage
supply current
maximum transmission speed
CANH, CANL input/output voltage
differential bus voltage
propagation delay
ambient temperature
High-speed mode
Standby mode
non-return-to-zero
Conditions
Min
4.5
-
1
−8
1.5
-
−40
Max
5.5
170
-
+18
3.0
50
+125
Unit
V
µA
MBd
V
V
ns
°C