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TDA7501 数据表(PDF) 4 Page - STMicroelectronics |
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TDA7501 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 18 page ![]() Symbol Parameter Test Condition Min. Typ. Max. Unit ASTEP Step Resolution 1 dB AMUTE Output Mute Attenuation 80 100 dB EE Attenuation Set Error from +15 to -40dB 2 dB VDC DC Steps Adjacent Attenuation Steps 0.1 3 mV VDCOUT Output DC-voltage single supply mode dual supply mode 4.15 outref V V VCLIP Output Clipping Level d = 0.3%, VCC =VDD = 8.3V gain = 0dB gain = 6dB 2.3 2.8 VRMS VRMS d = 0.3%, VCC = 12V VDD = 8.3V gain = 0dB 4VRMS RL Output Load Resistance AC-coupled 5 k Ω CL Output Load Capacitance 10 nF ROUT Output Impedance 30 120 Ω VN Output Noise BW = 20Hz-20kHz muted 0dB muted 6dB gain = 0dB gain = 6dB 3 7.5 10 13 µV µV µV µV S/N Signal to Noise Ratio BW = 20Hz-20kHz VO =2VRMS VO =4VRMS 106 110 dB dB dout distortion VOUT =1VRMS; all stages 0dB 0.005 0.08 % SC Channel Separation left/right 80 100 dB ADCVDDREF (CODEC reference) Imaxadc Max. Output Current pin 40 5 mA BUS INPUTS Vlow Voltage for logic ”0” inputs SEL, SCL,SDA,MUTE 0.8 V Vhigh Voltage for logic ”1” inputs SEL, SCL,SDA,MUTE 2.4 V ELECTRICAL CHARACTERISTICS (continued) TDA7501 4/18 |
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