Details

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BUY TEXAS INSTRUMENTS SN65HVD231DR https://www.utsource.net/itm/p/12612461.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VCC	4.75	5	5.25	V
Operating Temperature Range	TA	-40		85	掳C
Data Rate		0		250	kbps
Differential Output Voltage (VOD)		1.1	1.2	1.4	V	VCC = 5V, IL = 50mA
Common-Mode Output Voltage (VOCM)		1.5	2.5	3.5	V	VCC = 5V, IL = 50mA
Input Threshold Voltage (High)	VIH	2.0		5.25	V	VCC = 5V
Input Threshold Voltage (Low)	VIL	0		0.8	V	VCC = 5V
Output Current (Source)	IOH	0	12	20	mA	VCC = 5V, VO = 2.4V
Output Current (Sink)	IOL	-20	-12	0	mA	VCC = 5V, VO = 2.4V
Propagation Delay Time	tpd	10	15	20	ns	VCC = 5V, TA = 25掳C
Skew	tskew	0	2	5	ns	VCC = 5V, TA = 25掳C
Rise Time	tr	10	15	20	ns	VCC = 5V, TA = 25掳C
Fall Time	tf	10	15	20	ns	VCC = 5V, TA = 25掳C
Power Dissipation	PD		125		mW	VCC = 5V, TA = 25掳C
Quiescent Current	IQ	0	1	2	mA	VCC = 5V, No Load

Instructions for Use:

1. Power Supply:

   • Connect the V_CC pin to a stable 5V power supply.
   • Ensure the ground (GND) is properly connected to the system ground.

2. Signal Lines:

   • Connect the differential output lines (TXD+ and TXD-) to the corresponding input lines of the receiving device.
   • For bidirectional communication, ensure proper configuration of the direction control pin (DIR).

3. Termination:

   • Use 120惟 termination resistors at both ends of the differential bus to minimize reflections and improve signal integrity.

4. Operating Temperature:

   • The device is rated to operate between -40掳C and 85掳C. Ensure that the ambient temperature does not exceed these limits to avoid damage or performance degradation.

5. Data Rate:

   • The SN65HVD231DR supports data rates up to 250 kbps. Ensure that the data rate is within this range to maintain reliable communication.

6. Input/Output Levels:

   • The input threshold levels (V_IH and V_IL) should be respected to avoid incorrect logic states.
   • The output voltage levels (V_OD and V_OCM) should be within the specified ranges to ensure compatibility with the receiving device.

7. Propagation Delay and Skew:

   • Account for the propagation delay and skew in your timing calculations to ensure proper synchronization of data.

8. Power Dissipation:

   • Monitor the power dissipation to ensure it does not exceed the maximum rating of 125 mW, especially under high load conditions.

9. Quiescent Current:

   • The quiescent current is typically very low, but it can increase under certain operating conditions. Ensure that the power supply can handle the maximum quiescent current.

10. Handling and Storage:

    • Handle the device with care to avoid static discharge, which can damage the internal circuits.
    • Store the device in a dry, cool place to prevent moisture damage.

(For reference only)