LME49600TS/NOPB vs TDA7293HS
| Part Number |
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| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
| Manufacturer | Texas Instruments | STMicroelectronics |
| Description | IC AMP CLASS AB MONO 500MW TO263 | IC AMP AB MONO 100W 15MULTIWATT |
| Package | Tube | Tube |
| Series | - | - |
| Type | Class AB | Class AB |
| Features | Short-Circuit and Thermal Protection | Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby |
| Voltage - Supply | ±2.25V ~ 18V | ±12V ~ 50V |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | Multiwatt-15 (Horizontal, Bent and Staggered Leads) |
| Supplier Device Package | DDPAK/TO-263-5 | 15-Multiwatt |
| Output Type | 1-Channel (Mono) | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 500mW x 1 @ 32Ohm | 100W x 1 @ 4Ohm |
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1. What is an audio amplifier and what does it do?
An audio amplifier is a device that amplifies an audio signal, such as music or speech, to a higher voltage or current level to drive speakers or headphones, ensuring that the sound remains clear and accurate when played at higher volumes.
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2. What types of audio amplifiers are available?
Common types of audio amplifiers include:
Class A amplifiers: have the highest sound quality, but are less efficient.
Class B amplifiers: More efficient, but may produce crossover distortion.
Class AB amplifiers: between Class A and Class B with good balance.
Class D amplifier: highest efficiency, suitable for portable devices, but slightly lower sound quality. -
3. 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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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.
