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TDA7462D Scheda tecnica(PDF) 5 Page - STMicroelectronics |
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TDA7462D Scheda tecnica(HTML) 5 Page - STMicroelectronics |
5 / 25 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit SOFT MUTE AMUTE Mute Attenuation 80 100 dB TD Delay Time T1 0.48 1 ms T2 0.96 2 ms T3 20 30.7 50 ms T4 70 123 170 ms VTHlow Low Threshold for SM Pin 1 1V VTHhigh High Threshold for SM Pin 2.5 V RPD Internal Pull-up Resistor 70 100 130 K Ω SOFT STEP TSW Switch Time TSW1 TSW2 TSW3 TSW4 TSW5 TSW6 TSW7 TSW8 0.16 0.32 0.64 1.28 2.56 5.12 10.2 20.4 ms ms ms ms ms ms ms ms 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 63 70 77 Hz fC3 72 80 88 Hz fC4 90 100 110 Hz QBASS Quality Factor Q1 0.9 1 1.1 Q2 1.11.251.4 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 ±13 ±14 ±15 dB ASTEP Step Resolution 1 2 3 dB fC Center Frequency fC1 8 10 12 KHz fC2 10 12.5 15 KHz fC3 12 15 18 KHz fC4 14 17.5 21 KHz SPEAKER ATTENUATORS CRANGE Control Range -53 50 -47 dB ASTEP Step Resolution 0.5 1 2 dB AMUTE Output Mute Attenuation 80 90 dB EE Attenuation Set Error -2 2 dB VDC DC Steps Adjacent Attenuation Steps 0.1 5 mV 1) The SM pin is active low (Mute = 0) TDA7462 5/25 |
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