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TDA7497 データシート(PDF) 5 Page - STMicroelectronics |
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TDA7497 データシート(HTML) 5 Page - STMicroelectronics |
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5 / 7 page ![]() t OFF STDBY MUTE MUTE MUTE MUTE PLAY STDBY PLAY OFF STDBY 20 +VS (V) -20 -V S V IN (mV) Vpin4 (V) V S VS-2.5 V S-6 VS-10 Iq (mA) 0 VOUT (V) D94AU084 Figure 4: Attenuation & Total Quiescent Current vs. Vpin4 Voltage MUTE STAND-BY FUNCTION The pin 4 (MUTE/STAND-BY) controls the ampli- fier status by two different thresholds, referred to +VS. - When Vpin4 higher than = +VS - 2.5V the amplifier is in Stand-by mode and the final stage generators are off - when Vpin4 is between +VS - 2.5V and +VS - 6V the final stage current generators are switched on and the amplifier is in mute mode - when Vpin4 is lower than +VS - 6V the am- plifier is play mode. TDA7497 5/7 |
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