TAS5142DDV vs TAS5611APHDR
| 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 250W 64HTQFP |
| Package | Tape & Reel (TR) | Bulk |
| Series | PurePath Jinftrytal™ | PurePath™ HD |
| Type | Class D | Class D |
| Features | Jinftrytal Inputs, Short-Circuit and Thermal Protection, Shutdown | Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown |
| Voltage - Supply | 10.8V ~ 13.2V | 16V ~ 34.1V |
| 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 | 250W x 1 @ 2Ohm; 165W 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 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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3. 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.
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4. What should the frequency response range of an audio amplifier be?
The frequency response range of a good quality audio amplifier is usually between 20Hz and 20kHz, which is the typical frequency range that the human ear can hear. A wider frequency response ensures that the audio amplifier can accurately reproduce both low and high frequency details.
