TAS5612APHDR vs TAS5614APHDR
| Part Number |
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| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC AMP D MONO/STER 250W 64HTQFP | IC AMP D MONO/STER 300W 64HTQFP |
| Package | Cut Tape (CT) | Tube |
| Series | PurePath™ HD | PurePath™ HD |
| Type | Class D | Class D |
| Features | Depop, Jinftrytal Inputs, Short-Circuit and Thermal Protection, Shutdown | Depop, Jinftrytal Inputs, Short-Circuit and Thermal Protection, Shutdown |
| Voltage - Supply | 16V ~ 34.1V | 18V ~ 38V |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 64-TQFP Exposed Pad | 64-TQFP Exposed Pad |
| Supplier Device Package | 64-HTQFP (14x14) | 64-HTQFP (14x14) |
| Output Type | 1-Channel (Mono) or 2-Channel (Stereo) | 1-Channel (Mono) or 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 250W x 1 @ 2Ohm; 165W x 2 @ 3Ohm | 300W x 1 @ 2Ohm; 200W x 2 @ 3Ohm |
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1. What is a Class D audio amplifier and what are its advantages?
Class D audio amplifiers work through Pulse Width Modulation (PWM) technology and have extremely high efficiency (typically up to 90% or higher), making them suitable for use in portable audio equipment or high-efficiency sound systems. It generates less heat because it reduces energy consumption.
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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. 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.
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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.
