Details

---

BUY PCA82C250N https://www.utsource.net/itm/p/12541693.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	4.75	5	5.25	V	Operating voltage range
Quiescent Current	ICC	-	1.5	2.5	mA	Current consumption at no load
Differential Input Voltage	Vdiff	0.2	-	1.2	V	Differential input voltage for logic 0 to logic 1 transition
Common-Mode Input Voltage	Vcm	0	2.5	5	V	Range of common-mode input voltage
Output High Voltage	VOH	2.4	-	5	V	Output voltage when high (at 20 mA)
Output Low Voltage	VOL	0	-	0.4	V	Output voltage when low (at 20 mA)
Maximum Data Rate	fmax	-	-	1	Mbit/s	Maximum data rate supported
Maximum Rise/Fall Time	tr/f	-	-	100	ns	Maximum rise and fall time for differential signals
Short-Circuit Current	Isc	-	-	30	mA	Maximum short-circuit current (output to ground)
Operating Temperature	Toper	-40	-	125	°C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	°C	Storage temperature range

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage is within the specified range (4.75V to 5.25V).
   • Connect the VCC pin to the positive supply and GND pin to the ground.

2. Signal Connections:

   • Connect the CAN_H and CAN_L pins to the CAN bus lines.
   • Connect the TXD and RXD pins to the microcontroller or other CAN controller.

3. Termination Resistors:

   • For proper operation, place a 120Ω termination resistor between CAN_H and CAN_L at each end of the bus.

4. Data Rate:

   • The PCA82C250N supports a maximum data rate of 1 Mbit/s. Ensure the bit timing settings in your CAN controller are configured appropriately.

5. Short-Circuit Protection:

   • The device has built-in short-circuit protection, but avoid prolonged exposure to short circuits to prevent damage.

6. Temperature Considerations:

   • Operate the device within the specified temperature range (-40°C to 125°C). Store the device within the storage temperature range (-65°C to 150°C).

7. ESD Protection:

   • Handle the device with care to avoid electrostatic discharge (ESD). Use proper ESD protection measures during handling and installation.

8. Grounding:

   • Ensure a clean and stable ground connection to minimize noise and interference.

9. Noise Filtering:

   • Consider adding capacitors (e.g., 100nF) between VCC and GND to filter out noise and provide stable power.

10. Layout Considerations:

    • Keep the CAN bus lines as short as possible and use twisted-pair cables to reduce electromagnetic interference (EMI).

By following these instructions, you can ensure reliable and efficient operation of the PCA82C250N CAN transceiver.

(For reference only)