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TDA7514 Arkusz danych(PDF) 24 Page - STMicroelectronics |
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TDA7514 Arkusz danych(HTML) 24 Page - STMicroelectronics |
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24 / 74 page ![]() TDA7514 24/74 LOUDNESS CONTROL Symbol Parameter Test Condition Min. Typ. Max. Unit AMAX Max Attenuation -21 -19 -17 dB ASTEP Step Resolution 0.5 1 1.5 dB fPeakLPF LPF Peak Frequency fP1 32.5 Hz fP2 40 Hz fP3 150 Hz fPeakLPF HPF Peak Frequency fP1 4kHz fP2 6kHz fP3 8kHz fP4 10 kHz VOLUME CONTROL GMAX Max Gain 14 15 16 dB AMAX Max Attenuation -83 -79 -75 dB ASTEP Step Resolution 0.5 1 1.5 dB EA Attenuation Set Error G = -20 to +15dB 2 dB G = -79 to -20dB 4 dB ET Tracking Error 2dB VDC DC Steps Adjacent Attenuation Steps 0.1 3 mV From 0dB to GMIN 0.5 5 mV SOFT MUTE AMUTE Mute Attenuation 80 dB TD Delay Time T1 0.48 ms T2 0.96 ms T3 20.2 ms T4 40.4 ms VTH Low Low Threshold for SM Pin 1 V VTH High High Threshold for SM Pin 2.5 V BASS CONTROL CRANGE Control Range ±14 ±15 ±16 dB ASTEP Step Resolution 0.5 1 1.5 dB fc Center Frequency fC1 54 60 66 Hz fC2 72 80 88 Hz fC3 90 100 110 Hz fC4 117 130 143 Hz QBASS Quality Factor Q1 0.9 1 1.1 Q2 1.1 1.25 1.4 Q3 1.3 1.5 1.7 Table 9. (continued) |
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