Audio Amplifier IC List with Part Number and Features


Here, is the list of audio amplifier IC with part numbers and features,
  • LM377 - 2 Watt Dual Audio Power Amplifier
  • LM378 - 4 Watt Dual Audio Power Amplifier
  • LM379 - 6 Watt Dual Audio Power Amplifier
  • LM383/LM2002 - 8 Watt Dual Audio Power Amplifier
  • CD4440/LA4440 - Dual Channel Stereo Amplifier (operating voltage 12-18V, Power 6W to 19W)
  • LM1875 - 20 Watt Audio Power Amplifier
  • LM3875 - 56 Watt High-Performance Audio Power Amplifier
  • LM3886 -  68 Watt High-Performance Audio Power Amplifier
  • TdA2030/TdA2030A - 18 Wat HiFi Audio Amplifier

You can download the below image to see the audio amplifier IC list and features,

Audio Amplifier IC List with numbers


**for more information you should read the datasheets with respective part numbers**


LM377

LM377 is a dual power amplifier that delivers 2 watts per channel into 8ohm and 16ohm loads. The main features of LM377 audio amplifier IC are,
  1. 10-26V operating voltage
  2. 3 Mega Ohm Input Impedance
  3. 70dB ripple rejection
  4. Internal Stabilization
  5. Internal Current Limiting
  6. Internal Thermal Protection
  7. 2 Watt per channel
LM377 ISs are used in AM and FM Radio Receivers, Tape Recorders, MP3 Players, Servo Amplifiers, etc.

**LM 378 and LM379, LM383 are almost same just the difference is output power. For more information read the datasheets**


CD4440/LA4440

It is a stereotype dual channel audio amplifier IC. It provides 6W output in Dual Mode and 19W output in Bridge Mode.

Specification and Features

  • General Supply voltage: 13.2V
  • Maximum operating voltage: 18V
  • Acceptable Surge supply voltage: 50V
  • Normally allowable power dissipation: 15W
  • Output Power Delevering
    • Dual-mode: 6W
    • Bridge mode: 19W
  • Ripple rejection ratio: 46dB
  • Quiescent current: 100 to 200mA
  • Operating temperature for this IC: -20°C to 75°C
  • Inbuilt Over Power Protection
  • Very Good Ripple Rejection
  • Small Residual Noise

LM1875

It is a class AB Audio Amplifier that can deliver output power up to 20 watts into a 4 ohm or 8-ohm speaker with a maximum current of 4A.

Specification and Features

  • General Operating Voltage: 16V to 60V
  • Output: 20Watts with 4Ω/8 Ω speaker
  • Maximum Output Current: 4A
  • Open Loop Gain Gain: 90dB
  • Bandwidth: 70KHz
  • Internal Short circuit and thermal protection are available
  • This IC is Breadboard friendly
  • Available in a 5-pin TO220 package
  • Used for Audio signal Amplification
  • It is suitable for high power amplification
  • Capable of operating on dual/split power supply
  • It can be used to cascade audio speakers

TdA2030/TdA2030A

It is a very powerful audio amplifier IC. Generally, it provides 18 Watt output power but it can be used up to 20Watt power. So it can be used to run a 4-ohm speaker at 12Watt and an 8-ohm speaker at 8 watts.

Specification and Features
  • Low-frequency class AB amplifier most suited for audio amplification
  • It can provide up to 20 Watts as output power
  • Wide range of power supplies from 6V to 36V
  • Internal Short circuit and thermal protection are available
  • Breadboard friendly
  • Available in a 5-pin TO220 package
  • High-Performance Class AB Amplifier
  • High Output Current
  • Low Harmonic and Crossover Distortion
  • Short Circuit Protection
  • Thermal Shutdown

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Audio Amplifier IC List with Part Number and Features Audio Amplifier IC List with Part Number and Features Reviewed by Author on 5/31/2022 Rating: 5

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