LM339 Quad Comparator OP AMP IC

LM339 is a Quad Comparator OP AMP IC, which means it contains four independent op-amps. Each op-amp has two inputs, an inverting input and a non-inverting input.

The output of the op-amp will be high if the voltage on the non-inverting input is greater than the voltage on the inverting input, and low if the voltage on the inverting input is greater than the voltage on the non-inverting input.

The LM339 VU meter is a simple and inexpensive way to create a VU meter. It uses the LM339 quad comparator to measure the amplitude of the audio signal and drive a series of LEDs to indicate the volume level.

This quad differential comparator IC has fourteen pins. Out of these, three pins are assigned to each comparator. To make a difference, we give different colors to the pins of each comparator. But a common power supply pins use for all comparators.

The LM339 VU meter can be used with any audio signal, such as the output of a microphone, an audio amplifier, or a CD player. It is a great way to visually monitor the volume of an audio signal.

The LM339 is an operational amplifier (op amp) that can be used in a variety of applications, such as comparators, amplifiers, and oscillators. It is a popular op amp because it is relatively inexpensive and easy to use.

These comparators are designed for use in level detection, low−level sensing and memory applications in consumer, automotive, and industrial electronic applications.

The LM339 contains four differential comparators that are completely independent other than they share a common power supply connection. It can operate on a wide single supply range of 2 to 36V or split supply range of +/- 1 to 18V.

Features : –

The LM339 is a versatile op amp that can be used in a wide range of projects. It is a good choice for beginners and experienced hobbyists alike.

• High precision comparators
  
• Reduced VOS drift over temperature
  
• Eliminates need for dual supplies
  
• Allows sensing near GND
  
• Compatible with all forms of logic
  
• Power drain suitable for battery operation

LM339 Quad Comparator OP AMP IC Specifications : –

The LM339 has four independent op amps, each with its own inputs and outputs. The op amps can be configured to work in a variety of ways, depending on the desired application. The LM339 is a versatile op amp that can be used in a wide range of projects. It is a good choice for beginners and experienced hobbyists alike.

Here are some of the features of the LM339 op amp:

• Four independent op amps
• Wide supply voltage range (5 to 36 V)
• Low input bias current (< 2 nA)
• Low offset voltage (< 2 mV)
• High slew rate (10 V/µs)
• Low output impedance (< 100 Ω)

LM339 Quad Comparator OP AMP IC Applications : –

The LM339 is an operational amplifier (op amp) that can use in a variety of applications, such as comparators, amplifiers, and oscillators. It is a popular op amp because it is relatively inexpensive and easy to use.

The LM339 can use in a variety of applications, such as:

• Level detection
• Low-level sensing
• Memory
• Pulse generation
• Schmitt trigger
• Oscillators
• Linearization
• Instrumentation amplifiers
• Active filters

Package : –

1 x LM339 Quad Comparator OP AMP IC

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