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TDA7402 数据表(PDF) 8 Page - STMicroelectronics |
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TDA7402 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 59 page ![]() TDA7402 8/59 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 15 dB AMAX Max. Attenuation 79 dB ASTEP Step Resolution 1 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% 2.2 2.6 VRMS RL Output Load Resistance 2 k Ω CL Output Load Capacitance 10 nF ROUT Output Impedance 30 120 W VDC DC Voltage Level 4.5 V VOICE BANDPASS fHP Highpass corner frequency fHP1 90 Hz fHP2 135 Hz fHP3 180 Hz fHP4 215 Hz fHP5 300 Hz fHP6 450 Hz fHP7 600 Hz fHP8 750 Hz Symbol Parameter Test Conditio n Min. Typ. Max. Unit ELECTRICAL CHARACTERISTICS (continued) |
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