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TDA7402 データシート(PDF) 12 Page - STMicroelectronics |
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TDA7402 データシート(HTML) 12 Page - STMicroelectronics |
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12 / 71 page ![]() Electrical specifications TDA7402 12/71 Speaker attenuators Rin Input impedance 35 50 65 k Ω GMAX Max. gain 141516 dB AMAX Max. attenuation -83 -79 -75 dB ASTEP Step resolution 0.5 1 1.5 dB AMUTE Output mute attenuation 80 90 dB EE Attenuation set error 2 dB VDC DC steps Adjacent attenuation steps 0.1 5 mV Audio outputs VCLIP Clipping level d = 0.3% 2.2 2.6 VRMS RL Output load resistance 2 k Ω CL Output load capacitance 10 nF ROUT Output impedance 30 100 W VDC DC voltage level 4.3 4.5 4.7 V Voice bandpass fHP Highpass corner frequency fHP1 81 90 99 Hz fHP2 122 135 148 Hz fHP3 162 180 198 Hz fHP4 194 215 236 Hz fHP5 270 300 330 Hz fHP6 405 450 495 Hz fHP7 540 600 660 Hz fHP8 675 750 825 Hz fLP Lowpass corner frequency fLP1 2.733.3 kHz fLP2 5.466.6 kHz Subwoofer attenuators Rin Input impedance 35 50 65 k Ω GMAX Max. gain 141516 dB AATTN Max. attenuation -83 -79 -75 dB ASTEP Step resolution 0.5 1 1.5 dB AMUTE Output mute attenuation 80 90 dB EE Attenuation set error 2 dB VDC DC steps Adjacent attenuation steps 1 5 mV Table 2. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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