PCA82C250T/YM,118 Integrated Circuit Chip power ic chip CAN controller interface
electronics ic chip
,integrated circuit components
CAN controller interface PCA82C250
FEATURES
• Fully compatible with the “ISO 11898” standard
• High speed (up to 1 Mbaud)
• 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.
APPLICATIONS
• High-speed applications (up to 1 Mbaud) in cars.
GENERAL DESCRIPTION
The PCA82C250 is the interface between the CAN protocol controller and the physical bus. The device provides differential transmit capability to the bus and differential receive capability to the CAN controller.
BLOCK DIAGRAM
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134); all voltages are referenced to pin 2; positive input current.
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
|---|---|---|---|---|---|
| VCC | supply voltage | −0.3 | +9.0 | V | |
| Vn | DC voltage at pins 1, 4, 5 and 8 | −0.3 | VCC + 0.3 | V | |
| V6, 7 | DC voltage at pins 6 and 7 | 0 V < VCC < 5.5 V; no time limit | −8.0 | +18.0 | V |
| Vtrt | transient voltage at pins 6 and 7 | see Fig.8 | −150 | +100 | V |
| Tstg | storage temperature | −55 | +150 | °C | |
| Tamb | ambient temperature | −40 | +125 | °C | |
| Tvj | virtual junction temperature | note 1 | −40 | +150 | °C |
| Vesd | electrostatic discharge voltage | note 2 | −2000 | +2000 | V |
| note 3 | −200 | +200 | V |
Notes
1. In accordance with “IEC 60747-1”. An alternative definition of virtual junction temperature is: Tvj = Tamb + Pd × Rth(vj-a), where Rth(j-a) is a fixed value to be used for the calculation of Tvj. The rating for Tvj limits the allowable combinations of power dissipation (Pd) and ambient temperature (Tamb).
2. Classification A: human body model; C = 100 pF; R = 1500 Ω; V = ±2000 V.
3. Classification B: machine model; C = 200 pF; R = 25 Ω; V = ±200 V.
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