Details

---

BUY LM393A https://www.utsource.net/itm/p/12608875.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating Range	2.0	-	36.0	V
Supply Current (Each IC)	ICC	VCC = 5V	-	0.8	-	mA
Input Voltage Range	VI	VCC = 5V	0.0	-	5.0	V
Output High Voltage	VOH	IO = -1mA, VCC = 5V	4.5	-	5.0	V
Output Low Voltage	VOL	IO = 16mA, VCC = 5V	0.1	-	0.4	V
Output Current (Sink)	IO	VOL = 0.4V	16	-	30	mA
Input Bias Current	IB	VI = 0V	-	250	-	nA
Input Offset Voltage	VOS	VI = 0V	-	2.0	-	mV
Differential Input Voltage	VID	VI+ - VI-	-	300	-	mV
Propagation Delay	td	VCC = 5V, VI = 2.5V	-	200	-	ns

Instructions for Using the LM393A

1. Supply Voltage:

   • The LM393A can operate over a wide range of supply voltages from 2.0V to 36.0V. Ensure that the supply voltage is within this range to avoid damage.

2. Supply Current:

   • The typical supply current for each comparator is 0.8mA at 5V. This value may vary slightly depending on the operating conditions.

3. Input Voltage Range:

   • The input voltage should be within the range of 0V to the supply voltage (V_CC). Exceeding these limits can cause damage to the device.

4. Output High and Low Voltages:

   • When the output is high, it will typically be close to the supply voltage (V_CC). When low, it will be close to ground (0V). These values are specified for a 5V supply.

5. Output Current (Sink):

   • The LM393A can sink up to 30mA of current when the output is low. This is useful for driving LEDs or other low-current devices.

6. Input Bias and Offset Currents:

   • The input bias current is very low (250nA), which helps in minimizing the impact of external resistances. The input offset voltage is also low (2.0mV), ensuring accurate comparisons.

7. Differential Input Voltage:

   • The maximum differential input voltage is 300mV. This is the difference between the two input pins (V_I+ and V_I-) that the comparator can handle without damage.

8. Propagation Delay:

   • The propagation delay is the time it takes for the output to change state after the input changes. At 5V, this delay is typically 200ns.

9. Pin Configuration:

   • Refer to the datasheet for the specific pin configuration of the LM393A. Typically, it includes power supply pins, input pins, and output pins.

10. Handling and Storage:

    • Handle the LM393A with care to avoid static damage. Store in a dry, cool place away from direct sunlight.

11. Applications:

    • The LM393A is suitable for a variety of applications including level detection, window comparators, and simple logic circuits.

For more detailed information, refer to the official datasheet provided by the manufacturer.

(For reference only)