LM339PWRE4 datasheet by Texas Instruments

LM339PWRE4 Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the LM339PWRE4?
  The LM339PWRE4 can operate from -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C.
• Can I use the LM339PWRE4 as a comparator with a single supply voltage?
  Yes, the LM339PWRE4 can be used as a comparator with a single supply voltage, but the input common-mode voltage range is limited to within 1.5V of the supply rails.
• How do I ensure that the LM339PWRE4 is not damaged by electrostatic discharge (ESD)?
  To prevent ESD damage, handle the device by the body or use an anti-static wrist strap, and ensure that the device is stored in an anti-static bag or tube.
• What is the recommended layout and routing for the LM339PWRE4 to minimize noise and oscillations?
  Keep the input traces short and away from noise sources, use a ground plane, and decouple the power supply with a 0.1uF capacitor to minimize noise and oscillations.
• Can I use the LM339PWRE4 as a voltage reference?
  No, the LM339PWRE4 is not designed to be used as a voltage reference. It is a quad comparator with an open-drain output, and its output voltage is not stable or accurate enough for use as a voltage reference.