TAS5142DDV vs TAS5614APHDR
| Part Number |
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| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC AMP CLSS D STER 100W 44HTSSOP | IC AMP D MONO/STER 300W 64HTQFP |
| Package | Tape & Reel (TR) | Tube |
| Series | PurePath Jinftrytal™ | PurePath™ HD |
| Type | Class D | Class D |
| Features | Jinftrytal Inputs, Short-Circuit and Thermal Protection, Shutdown | Depop, Jinftrytal Inputs, Short-Circuit and Thermal Protection, Shutdown |
| Voltage - Supply | 10.8V ~ 13.2V | 18V ~ 38V |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 44-TSSOP (0.244\", 6.20mm Width) Exposed Pad | 64-TQFP Exposed Pad |
| Supplier Device Package | 44-HTSSOP | 64-HTQFP (14x14) |
| Output Type | 2-Channel (Stereo) | 1-Channel (Mono) or 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 100W x 2 @ 4Ohm | 300W x 1 @ 2Ohm; 200W x 2 @ 3Ohm |
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1. 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. -
2. 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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3. 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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4. Does the audio amplifier need to match the impedance of the speakers?
Yes, the output impedance of the audio amplifier should match the impedance of the speaker. Typically speakers have an impedance of 4Ω, 8Ω or 16Ω. Matching the impedance ensures that the amplifier delivers maximum power and the best sound quality from the speaker.
