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TDA7412 데이터시트(PDF) 8 Page - STMicroelectronics |
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TDA7412 데이터시트(HTML) 8 Page - STMicroelectronics |
8 / 56 page TDA7412 8/56 PAUSE DETECTOR1 VTH Zero Crossing Threshold Window 1 40 mV Window 2 80 mV Window 3 160 mV IDELAY Pull-Up Current 15 25 35 µA VTHP Pause Threshold 3.0 V SPEAKER ATTENUATORS Rin Input Impedance 35 50 65 k Ω GMAX Max. Gain 14 15 16 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 2dB VDC DC Steps Adjacent Attenuation Steps 0.1 5 mV Notes: 1. If configured as Pause-Output AUDIO OUTPUTS VCLIP Clipping Level d = 0.3% 1.8 2.2 VRMS RL Output Load Resistance 2 k Ω CL Output Load Capacitance 10 nF ROUT Output Impedance 30 100 Ω 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 Symbol Parameter Test Condition Min. Typ. Max. Unit ELECTRICAL CHARACTERISTICS (continued) |
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