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TDA7406T 数据表(PDF) 7 Page - STMicroelectronics |
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TDA7406T 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 49 page ![]() 7/49 TDA7406T 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 fC3 Center Frequency Band 3 fC3 356 396 436 Hz fC4 Center Frequency Band 4 fC4 0.9 1 1.1 kHz fC5 Center Frequency Band 5 fC5 2.26 2.51 2.76 kHz fC6 Center Frequency Band 6 fC6 5.70 6.34 6.98 kHz fC7 Center Frequency Band 7 fC7 14.4 16 17.6 kHz Q Quality Factor Q1 1.62 1.8 1.98 Q2 3.15 3.5 3.85 fSAClk Clock Frequency 1 100 kHz tSAdel Analog Output Delay Time 2 µs trepeat Spectrum Analyzer Repeat Time 50 ms tintres Internal Reset Time 3 ms PAUSE DETECTOR 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 V SPEAKER ATTENUATORS Rin Input Impedance 35 50 65 k Ω GMAX Max. Gain 14.5 15.5 16.5 dB AMAX Max. Attenuation -83.5 -79.5 -75 dB ASTEP Step Resolution 0.5 1 1.5 dB AMUTE Output Mute Attenuation 80 90 dB EE Attenuation Set Error 3dB VDC DC Steps Adjacent Attenuation Steps 0.5 5 mV MR Mixing Ratio Signal/MixIn 50/50 % AUDIO OUTPUTS VCLIP Clipping Level Thd=0.3% 2.2 2.6 VRMS RL Output Load Resistance 2 k Ω Table 1. 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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