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TDA7405 Datasheet(PDF) 7 Page - STMicroelectronics |
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TDA7405 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 57 page 7/57 TDA7405 fC Center Frequency fC1 54 60 66 Hz fC2 63 70 77 Hz fC3 72 80 88 Hz fC4 81 90 99 Hz fC5 90 100 110 Hz fC6 117 130 143 Hz fC7 135 150 165 Hz fC8 180 200 220 Hz QBASS Quality Factor Q1 0.9 1 1.1 Q2 1.1 1.25 1.4 Q3 1.3 1.5 1.7 Q4 1.8 2 2.2 DCGAIN Bass-DC-Gain DC = off -1 0 +1 dB DC = on 4 4.4 6 dB TREBLE CONTROL CRANGE Control Range ±14 +15 ±16 dB ASTEP Step Resolution 0.5 1 1.5 dB fC Center Frequency fC1 810 12 kHz fC2 10 12.5 15 kHz fC3 12 15 18 kHz fC4 14 17.5 21 kHz PAUSE DETECTOR4) 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 4. If configured as Pause-Output 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 Table 5. 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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