Details

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BUY LM2903DMR2G https://www.utsource.net/itm/p/829957.html
Low Offset Voltage Dual Comparators

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	2.0	-	36.0	V	Operating supply voltage range
Input Voltage Range	VIN	0	-	VCC - 1.5	V	Input voltage range relative to ground
Output Voltage (High)	VOH	-	VCC - 1.5	VCC - 0.4	V	Output high voltage level
Output Voltage (Low)	VOL	0	-	0.4	V	Output low voltage level
Quiescent Current	IQ	-	80	-	μA	Supply current per comparator
Input Bias Current	IB	-	25	-	nA	Typical input bias current
Input Offset Current	IOS	-	5	-	nA	Typical input offset current
Input Offset Voltage	VOS	-	2	-	mV	Typical input offset voltage
Common-Mode Input Range	VCM	0	-	VCC - 1.5	V	Range over which both inputs can be driven
Differential Input Voltage	VDIF	-	-	VCC	V	Maximum differential voltage between inputs
Output Current (Sink)	IOL	-	16	-	mA	Maximum output sink current
Output Current (Source)	IOH	-	0.5	-	mA	Maximum output source current
Response Time	tR	-	6	-	μs	Time to switch from low to high output
Propagation Delay	td	-	2.5	-	μs	Time delay from input change to output change

Instructions for Use

1. Supply Voltage:

   • Ensure the supply voltage is within the specified range (2.0V to 36.0V).
   • Connect the positive supply to V_CC and the negative supply to GND.

2. Input Connections:

   • Connect the input signals to the inverting (-) and non-inverting (+) inputs.
   • Ensure the input voltages are within the valid range (0V to V_CC - 1.5V).

3. Output Configuration:

   • The output is open-collector, so an external pull-up resistor is required for a high-level output.
   • Choose the pull-up resistor value based on the desired output current and voltage levels.

4. Quiescent Current:

   • The quiescent current is typically 80 μA per comparator. This should be considered in power budget calculations.

5. Input Bias and Offset:

   • The input bias current is typically 25 nA, and the input offset current is typically 5 nA.
   • These parameters affect the accuracy of the comparator and should be accounted for in precision applications.

6. Common-Mode Input Range:

   • The common-mode input range is from 0V to V_CC - 1.5V. Inputs outside this range may not function correctly.

7. Differential Input Voltage:

   • The maximum differential input voltage is V_CC. Exceeding this can cause damage to the device.

8. Output Current:

   • The output can sink up to 16 mA and source up to 0.5 mA. Ensure the load does not exceed these limits.

9. Response Time and Propagation Delay:

   • The typical response time is 6 μs, and the propagation delay is 2.5 μs. These values should be considered in timing-sensitive applications.

10. Handling and Storage:

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

By following these guidelines, you can ensure optimal performance and reliability of the LM2903DMR2G comparator.

(For reference only)