TPA6012A4PWPR vs LM4863LQ/NOPB
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| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC AMP AB STEREO 3.2W 24HTSSOP | IC AMP CLASS AB STER 3.2W 24WQFN |
| Package | Cut Tape (CT) | Tape & Reel (TR) |
| Series | - | Boomer® |
| Type | Class AB | Class AB |
| Features | Differential Inputs, Fade, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Shutdown, Thermal Protection |
| Voltage - Supply | 4V ~ 5.5V | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-TSSOP (0.173\", 4.40mm Width) Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-HTSSOP | 24-WQFN (4x5) |
| Output Type | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones |
| Max Output Power x Channels @ Load | 3.2W x 2 @ 3Ohm; 235mW x 2 @ 16Ohm | 3.2W x 2 @ 3Ohm; 440mW x 2 @ 8Ohm |
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1. What is a power amplifier and how is it different from an audio amplifier?
A power amplifier is a type of audio amplifier designed to drive high-power loads such as speakers. It is capable of amplifying audio signals to a sufficient power output to drive speakers to produce greater volume.
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2. What is the Total Harmonic Distortion (THD) of an audio amplifier?
Total Harmonic Distortion (THD) is the distortion component introduced by an audio amplifier during the signal amplification process. the lower the THD, the closer the amplified audio signal will be to the original signal, and usually high quality audio amplifiers have a THD value of less than 1%.
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3. What is the signal-to-noise ratio (SNR) of an audio amplifier?
Signal-to-noise ratio (SNR) is a measure of the ratio of the audio signal to the background noise, with higher values indicating less noise in the audio signal. A high SNR usually means clearer sound output.
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4. How can I improve the thermal performance of my audio amplifier?
Audio amplifiers generate heat when they operate, especially Class A and Class AB amplifiers. Ways to improve heat dissipation include using a larger heat sink, adding a fan, or using a more efficient Class D amplifier. A good thermal design will improve the performance and life of the amplifier.
