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TDA7406 数据表(PDF) 13 Page - STMicroelectronics |
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TDA7406 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 64 page ![]() TDA7406 Audioprocessor part 13/64 SOFT MUTE AMUTE Mute Attenuation 80 100 dB TD Delay Time T1 0.48 1 ms T2 0.96 2 ms T3 70 123 170 ms T4 200 324 600 ms VTH low Low Threshold for SM-Pin 1) 1V VTH high High Threshold for SM - Pin 2.5 V RPU Internal pull-up resistor 32 45 58 k Ω VPU Internal pull-up Voltage 3.3 V EQUALIZER CONTROL CRANGE Control Range +14 +15 +16 dB ASTEP Step Resolution 0.5 1 1.5 dB fC1 Center Frequency Band 1 fC1a 55 62 69 Hz fC1b 90 100 110 Hz fC2 Center Frequency Band 2 fC2 141 157 173 Hz fC3 Center Frequency Band 3 fC3 365 396 437 Hz fC4 Center Frequency Band 4 fC4 0.911.1 kHz fC5 Center Frequency Band 5 fC5 2.25 2.51 2.766 kHz fC6 Center Frequency Band 6 fC6a 3.644.4 kHz fC6b 5.70 6.34 6.98 kHz fC7 Center Frequency Band 7 fC7a 13.5 15 16.5 kHz fC7b 14.4 16 17.6 kHz Q Quality Factor Q1 0.911.1 Q2 1.26 1.4 1.54 Q3 1.62 1.8 1.98 Q4 1.98 2.2 2.44 DCGAIN DC-gain, Band 1 DC = off -1 0 +1 dB DC = on, 15dB boost 4 dB SPECTRUM ANALYZER CONTROL VSAOut Output Voltage Range 0 3.3 V fC1 Center Frequency Band 1 fC1 55 62 69 Hz fC2 Center Frequency Band 2 fC2 141 157 173 Hz Table 4. Audioprocessor 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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