Details

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Below is the parameter table and instructions for the LM2903TH comparator.

LM2903TH Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	( V_ )	2.0	5.0	36.0	V	-
Input Voltage Range	( V_ )	0	-	( V_ - 1.5 )	V	-
Output Low Voltage	( V_ )	0.0	0.4	0.7	V	( I_ = 8 text )
Output High Voltage	( V_ )	2.4	-	( V_ - 1.5 )	V	( I_ = -0.4 text )
Input Offset Voltage	( V_ )	-2.0	0.0	2.0	mV	-
Input Bias Current	( I_ )	25	50	150	nA	-
Input Offset Current	( I_ )	-10	0	10	nA	-
Propagation Delay Time	( t_d )	-	4.5	12.0	渭s	( V_ = 5 text, text )
Operating Temperature Range	( T_A )	-40	-	125	掳C	-
Storage Temperature Range	( T_STG )	-65	-	150	掳C	-

Instructions for Using the LM2903TH

1. Power Supply:

   • The LM2903TH can operate with a single supply voltage ranging from 2.0V to 36.0V.
   • Ensure the supply voltage is within the specified range to avoid damage to the device.

2. Input Voltage:

   • The input voltage range should be between 0V and ( V_ - 1.5 ) V.
   • Avoid applying voltages outside this range to prevent damage to the inputs.

3. Output Configuration:

   • The output is open-collector, which means it requires an external pull-up resistor to a positive supply voltage.
   • Choose the pull-up resistor value based on the desired output current and voltage levels.

4. Input Bias and Offset Currents:

   • The input bias current is typically in the range of 25 nA to 150 nA.
   • The input offset current is typically 卤10 nA.
   • These parameters can affect the accuracy of the comparator, so consider them when designing the circuit.

5. Propagation Delay:

   • The propagation delay time is typically 4.5 渭s at 5V supply voltage.
   • This delay can vary with different supply voltages and load conditions.

6. Temperature Considerations:

   • The operating temperature range is from -40掳C to 125掳C.
   • The storage temperature range is from -65掳C to 150掳C.
   • Ensure the device is used within these temperature limits to maintain reliable operation.

7. Handling and Storage:

   • Handle the device with care to avoid static discharge, which can damage the sensitive components.
   • Store the device in a dry, cool place within the specified storage temperature range.

8. Circuit Design:

   • Use appropriate decoupling capacitors near the power supply pins to reduce noise and improve stability.
   • Ensure the layout is clean and well-designed to minimize parasitic effects.

By following these instructions and parameters, you can effectively use the LM2903TH comparator in your circuits.

(For reference only)