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TDA7412 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7412 数据表(HTML) 5 Page - STMicroelectronics |
5 / 56 page 5/56 TDA7412 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 1.8 2.2 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 6 10 mV Voffset Remaining offset with AutoZero 0.5 mV DIFFERENTIAL STEREO INPUTS Rin Input Resistance (see Figure 1) Differential 70 100 130 k Ω GCD Gain only at true differential input -1 0 1 dB -5 -6 7 dB -11 -12 -13 dB 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 9 15 µV DIFFERENTIAL MONO INPUTS Rin Input Impedance Differential 40 56 72 k Ω CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1kHz 40 70 dB VCM = 1VRMS @ 10kHz 40 60 dB BEEP CONTROL VRMS Beep Level Mix-Gain = 6dB 250 350 500 mV fBeep Beep Frequency fBeep1 570 600 630 Hz fBeep2 740 780 820 Hz fBeep1 1.48 1.56 1.64 kHz fBeep1 2.28 2.4 2.52 kHz MIXING CONTROL MLEVEL Mixing Ratio Main / Mix-Source -6/-6 dB |
类似零件编号 - TDA7412 |
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类似说明 - TDA7412 |
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