Details

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BUY LM393 https://www.utsource.net/itm/p/12598120.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	2.0	5.0	36	V
Supply Current	ICC	All inputs low	-	100	-	渭A
Input Offset Voltage	Vos	VI = 0V	-	2	7	mV
Input Bias Current	IB	VI = 0V	-	25	250	nA
Input Voltage Range	VI		0	-	Vcc	V
Output Low Voltage	VOL	IO = 10mA, Vcc = 5V	0.1	-	0.4	V
Output High Voltage	VOH	IO = -100渭A, Vcc = 5V	4.5	-	5.0	V
Output Sink Current	IOL	VOL = 0.4V	16	-	50	mA
Output Source Current	IOH	VOH = 4.5V	0.5	-	1.6	mA
Propagation Delay Time	tpd	VI to VO, Vcc = 5V	-	250	-	ns
Storage Temperature Range	Tstg		-65	-	150	掳C
Operating Temperature Range	Topr		-40	-	85	掳C

Instructions for Using the LM393:

1. Power Supply:

   • The LM393 can operate with a supply voltage ranging from 2.0V to 36V.
   • Ensure the supply voltage is stable and within the specified range to avoid damage to the device.

2. Input Connections:

   • Connect the input signals to the non-inverting (pin 2) and inverting (pin 3) inputs of the comparator.
   • The input voltage range should be between 0V and the supply voltage (Vcc).

3. Output Connections:

   • The output of the comparator is open-collector, which means it can sink current but not source it.
   • Use a pull-up resistor to the supply voltage (Vcc) to ensure a high output level when the comparator is not active.
   • The typical value for the pull-up resistor is between 1k惟 and 10k惟.

4. Supply Current:

   • The typical supply current is 100渭A when all inputs are low.
   • Ensure that the power supply can provide sufficient current to meet this requirement.

5. Temperature Considerations:

   • The operating temperature range is from -40掳C to 85掳C.
   • The storage temperature range is from -65掳C to 150掳C.
   • Avoid exposing the device to temperatures outside these ranges to prevent damage.

6. Propagation Delay:

   • The propagation delay time is typically 250ns at a supply voltage of 5V.
   • This is the time it takes for the output to change state after the input changes.

7. Handling and Storage:

   • Handle the LM393 with care to avoid static damage.
   • Store the device in a dry, cool place within the specified storage temperature range.

By following these instructions, you can ensure reliable operation of the LM393 comparator in your circuit.

(For reference only)