1 W BTL mono audio amplifier board with DC volume controlDesigned by 2BRobots in Mexico
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What is it? The TDA7052A is a mono BTL output amplifier with DC volume control. They are designed for use in TV and monitors, but also suitable for battery-fed portable recorders and radios. This i...Read More…
The TDA7052A is a mono BTL output amplifier with DC volume control. They are designed for use in TV and monitors, but also suitable for battery-fed portable recorders and radios.
This is a board with all required components included, so it is a ready to use solution. Just apply power, plug a speaker and send the audio signal. Great for playing with audio or even as a quick solution for a project.
Great for experiment with Arduino voice playback or music, even can be used with tones.
Thus a reduced power supply with smaller capacitors can be used which results in cost savings. For portable applications there is a trend to decrease the supply voltage, resulting in a reduction of output power at conventional output stages. Using the BTL principle increases the output power.
The maximum gain of the amplifier is fixed at 35.5 dB. The DC volume control stage has a logarithmic control characteristic. The total gain can be controlled from 35.5 dB to −44 dB. If the DC volume control voltage is below 0.3 V, the device switches to the mute mode.
The amplifier is short-circuit proof to ground, VP and across the load. Also a thermal protection circuit is implemented. If the crystal temperature rises above +150 °C the gain will be reduced, so the output power is reduced.
Special attention is given to switch on and off clicks, low HF radiation and a good overall stability
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Correos de México: Air mail
This will ship using registered international air mail, usually arrives in 20 to 45 days. But it can take a longer time. Tracking code is included.
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