Audio Amplifier IC List with Part Number and Features
Here, is the list of audio amplifier ICs 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,
**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 the LM377 audio amplifier IC are,
- 10-26V operating voltage
- 3 Mega Ohm Input Impedance
- 70dB ripple rejection
- Internal Stabilization
- Internal Current Limiting
- Internal Thermal Protection
- 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 the 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 12 watts 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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