Details

---

BUY LM2903QD https://www.utsource.net/itm/p/4734322.html
DUAL DIFFERENTIAL COMPARATORS

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage Range	Vcc		2		36	V
Output Low Voltage	VOL	IOL = 16mA, VCC = 5V	0.4			V
Output High Voltage	VOH	IOH = -4.5mA, VCC = 5V		4.4		V
Input Offset Voltage	VIO	TA = 25°C		2		mV
Input Bias Current	IB	TA = 25°C		25		nA
Supply Current	ICC	No load		350		μA
Common Mode Input Range	VICR		0		Vcc-1.5	V
Differential Input Voltage	VID	Continuous	±30			V
Operating Temperature	Topr		-40		125	°C

Instructions for LM2903QD

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) between the V+ and GND pins. Ensure that the supply voltage is within the specified range of 2V to 36V.

2. Input Connections:

   • Connect the non-inverting (+) and inverting (-) inputs as required by your circuit design. Be cautious not to exceed the differential input voltage limits of ±30V to prevent damage.

3. Output Configuration:

   • The output is open-collector and requires a pull-up resistor connected to the desired logic level. Ensure the output current ratings are not exceeded.

4. Thermal Considerations:

   • Operate the device within the temperature range of -40°C to 125°C. For applications requiring high reliability, consider thermal management techniques if operating near the upper limit.

5. Handling Precautions:

   • This device is sensitive to electrostatic discharge (ESD). Use proper ESD protection practices during handling and installation.

6. Stability and Compensation:

   • For stability, ensure the input signals do not cause excessive slew rates or oscillations. External compensation components may be necessary depending on the application.

7. Testing and Troubleshooting:

   • Verify all connections and supply voltages before powering up. Monitor the output behavior and adjust component values as needed for optimal performance.

(For reference only)