The TDA integrates a DC offset detector to evade that an anomalous DC offset on the inputs of the amplifier could possibly be multiplied by the gain and contribute to an unfavorable significant offset on the outputs that might cause speakers problems for overheating. The feature is allowed by the MUTE pin and fits well with the amplifier umuted and without signal on the inputs. In shortage of correct CMOS ports or microprocessors, an immediate connection to Vs of these two pins is admissible still a kOhm similar resistance ought to give between the power and the muting together with stand-by pins. If you have any circuit related query, you may interact through comments, I'll be most happy to help! Your email:.
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences. No license is. Specification mentioned in this publication are. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products. TDA - Datasheet Catalog. Symbol Parameter Test Condition Min. Quiescent current vs. Output power vs. Distortion vs. Crosstalk vs. Supply voltage rejection vs. Output attenuation vs. Output noise vs.
Power dissipation vs. The feature is enabled by the MUTE pin and works with the amplifier umuted and with no signal on the inputs. If the standard value for the input capacitors 0. Figure In absence of true CMOS ports or microprocessors, a direct connection to Vs of these two pins is admissible but a kOhm equivalent resistance should present between the power supply and the muting and stand-by pins. R-C cells have always to be used in order to smooth down the transitions for preventing any audible transient noises.
About the stand-by, the time constant to be assigned in order to obtain a virtually pop-free transition has to be slower than 2. Noise with gaussiandistributed amplitude was employed for this simulation. This would avoid any thermal shutdown occurence even after longterm and full-volume operation. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use.
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TDA7560 amplifier. Datasheet pdf. Equivalent
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