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TDA7404 数据表(PDF) 9 Page - STMicroelectronics |
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TDA7404 数据表(HTML) 9 Page - STMicroelectronics |
9 / 35 page TDA7404 Electrical specifications 9/35 3.5 Electrical characteristics Table 5. Electrical characteristics (VS =9 V; Tamb=25 °C; RL=10 kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit Input selector Rin Input resistance all single ended Inputs 70 100 130 k Ω VCL Clipping level 2.20 2.60 VRMS SIN Input separation 80 100 dB GIN MIN Min. input gain -1 0 1 dB GIN MAX Max. input gain 18 20 22 dB GSTEP Step Resolution 0.5 1 1.5 dB VDC DC Steps Adjacent gain steps -5 1 5 mV GMIN to GMAX -10 5 10 mV Voffset Remaining offset with AutoZero 0.5 mV P differential stereo inputs Rin Input resistance (see Figure 3) Differential 70 100 130 k Ω GCD Gain only at true differential input -0.75 0 0.75 dB -5 -6 -7 dB -11 -12 -13 dB CMRR Common mode rejection ratio VCM = 1 VRMS @ 1 kHz 40 70 dB VCM = 1 VRMS @ 10 kHz 40 60 dB eNO Output noise @ speaker-outputs 20 Hz - 20 kHz, flat; all stages 0 dB 9V Differential mono input Rin Input resistance Differential 395673 k Ω CMRR Common mode rejection ratio VCM = 1 VRMS @ 1 kHz 40 70 dB VCM = 1 VRMS @ 10 kHz 40 60 dB Beep control VRMS Beep level 250 350 500 mV fB Beep frequency fB1 740 781 820 Hz fB2 1.48 1.56 1.64 kHz fB3 1.7 1.8 1.9 kHz |
类似零件编号 - TDA7404_08 |
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类似说明 - TDA7404_08 |
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