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TDA7406T 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7406T 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 49 page ![]() 5/49 TDA7406T Table 1. ELECTRICAL CHARACTERISTICS (VS=9V; Tamb=25°C; RL=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit INPUT SELECTOR Rin Input Resistance all single ended Inputs 70 100 130 k Ω VCL Clipping Level 2.2 2.6 VRMS SIN Input Separation 80 100 dB GIN MIN Min. Input Gain -1 0 1 dB GIN MAX Max. Input Gain 13 15 17 dB GSTEP Step Resolution 0.5 1 1.5 dB VDC DC Steps Adjacent Gain Steps -5 1 5 mV GMIN to GMAX -10 61 10 mV Voffset Remaining offset with Autozero 0.5 mV DIFFERENTIAL STEREO INPUTS Rin Input Resistance (see Fig. 1) Differential 70 100 130 k Ω CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1kHz 46 70 dB VCM = 1VRMS @ 10kHz 46 60 dB eNO Output-Noise @ Speaker-Outputs 20Hz - 20kHz, flat; all stages 0dB 11 µV BEEP CONTROL VRMS Beep Level Mix-Gain = 6dB 250 350 500 mV fBeep Beep Frequency fBeep1 475 500 525 Hz fBeep2 740 780 820 Hz fBeep3 1.48 1.56 1.64 kHz fBeep4 2.28 2.4 2.52 kHz MIXING CONTROL MLEVEL Mixing Ratio Main / Mix-Source -6/-6 dB GMAX Max. Gain 13 15 17 dB AMAX Max. Attenuation -83 -79 -75 dB ASTEP Attenuation Step 0.5 1 1.5 dB LOUDNESS CONTROL ASTEP Step Resolution 0.5 1 1.5 dB AMAX Max. Attenuation -21 -19 -17 dB fPeak Peak Frequency fP1 180 200 220 Hz fP2 360 400 440 Hz fP3 540 600 660 Hz fP4 720 800 880 Hz VOLUME CONTROL GMAX Max. Gain 30 32 34 dB |
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