Details

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BUY L339 https://www.utsource.net/itm/p/12608169.html

Parameter	Description	Value
Part Number	Device Identifier	L339
Function	Quad 2-Input Comparator with Open-Collector Outputs	-
Supply Voltage (Vcc)	Operating Supply Voltage Range	2.0 V to 36 V
Supply Current	Quiescent Supply Current per Comparator	10 渭A (max) at Vcc = 5 V
Input Voltage Range	Range of Input Voltages	0 V to Vcc - 1.5 V
Output Type	Output Configuration	Open-Collector NPN Transistor
Output Current	Maximum Output Current	16 mA (sink)
Input Offset Voltage	Maximum Input Offset Voltage	7 mV (max) at Vcc = 5 V
Propagation Delay Time	Typical Propagation Delay Time	4 渭s (typical) at Vcc = 5 V
Operating Temperature Range	Temperature Range for Operation	-40掳C to 85掳C
Package	Package Type	DIP-14, SOIC-14

Instructions for Use:

1. Power Supply:

   • Connect the supply voltage (Vcc) to pin 14 and ground (GND) to pin 7.
   • Ensure the supply voltage is within the specified range (2.0 V to 36 V).

2. Input Connections:

   • Connect the non-inverting inputs (IN+) to pins 2, 6, 9, and 12.
   • Connect the inverting inputs (IN-) to pins 3, 5, 8, and 11.
   • The input voltages should be within the range of 0 V to Vcc - 1.5 V.

3. Output Connections:

   • The outputs (OUT) are open-collector and can be connected to pins 1, 4, 7, and 10.
   • Use a pull-up resistor (typically 1 k惟 to 10 k惟) between the output and Vcc to ensure proper logic levels.

4. Comparator Operation:

   • When the non-inverting input (IN+) is higher than the inverting input (IN-), the output will be low (ground).
   • When the non-inverting input (IN+) is lower than the inverting input (IN-), the output will be high (pulled up by the external resistor).

5. Temperature Considerations:

   • Ensure the device operates within the temperature range of -40掳C to 85掳C to avoid damage or malfunction.

6. Handling Precautions:

   • Handle the L339 with care to avoid static discharge, which can damage the device.
   • Follow standard ESD (Electrostatic Discharge) precautions when handling the component.

(For reference only)