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TDA7416 数据表(PDF) 7 Page - STMicroelectronics |
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TDA7416 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 27 page ![]() 7/27 TDA7416 trepeat Spectrum Analyzer Repeat Time 50 ms tintres Internal Reset Time 3 ms HPF2 VTH Zero Crossing Threshold ±20 mV EMAX Max. Effect 22 dB EMIN Min. Effect 4dB ESTEP Step Resolution 1.5 2 2.5 dB SPEAKER ATTENUATORS Rin Input Impedance 35 50 65 k Ω GMAX Max. Gain 13 15 17 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 3dB VDC DC Steps Adjacent Attenuation Steps 0.5 5 mV MR Mixing Ratio Signal/MixIn 50/50 % AUDIO OUTPUTS VCLIP Clipping Level Thd=0.3% 1.8 2.2 VRMS RL Output Load Resistance 2 k Ω CL Output Load Capacitance 10 nF ROUT Output Impedance 30 120 Ω VDC DC Voltage Level 4.3 4.5 4.7 V HIGH PASS fHP Highpass corner frequency fHP1 81 90 99 Hz fHP2 122 135 148 Hz fHP3 162 180 198 Hz fHP4 194 215 236 Hz SUBWOOFER ATTENUATOR Rin Input Impedance 35 50 65 k Ω GMAX Max. Gain 14 15 16 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 2dB VDC DC Steps Adjacent Attenuation Steps 1 5 mV SUBWOOFER Lowpass fLP Lowpass corner frequency fLP1 72 80 88 Hz fLP2 108 120 132 Hz fLP3 144 160 176 Hz Table 1. ELECTRICAL CHARACTERISTICS (continued) (VS=9V; Tamb=25°C; RL=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit |
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