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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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TDA7494 Datasheet(PDF) 3 Page - STMicroelectronics |
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TDA7494 Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 12 page  ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit THD Total Harmonic Distortion PO = 1W; f = 1KHz; Gv = 26dB 0.4 % Ipeak Output Peak Current (internally limited) 1.4 1.9 A Top Operating Temperature 0 70 °C Vin Input Signal 2.8 Vrms GV Closed Loop Gain Vol Ctrl > 4.5V 24.5 26 27.5 dB GvLine Monitor Out Gain RLOAD Mon = ∞ -3 -1.5 0 dB AMinVol Attenuation at Min Volume Vol Ctrl < 0.5V 80 dB BW 0.6 MHz eN Total Output Noise f = 20Hz to 22KHz Play, max volume 350 700 µV f = 20Hz to 22KHz Play, max attenuation 60 100 µV f = 20Hz to 22KHz Mute 30 50 µV SR Slew Rate 5 8 V/ µs Ri Input Resistance 22.5 30 K Ω RMon Monitor Output Resistance 1.4 2 3 K Ω Rload Mon Monitor Output Load 30 K Ω SVR Supply Voltage Rejection f = 1kHz; max volume CSVR = 470 µA; VRIP = 1VRMS 36 43 dB f = 1kHz; max attenuation CSVR = 470 µA; VRIP = 1VRMS 60 73 dB TM Thermal Muting 150 °C Ts Thermal Shut-down 160 °C VST-BY Stand-by threshold 2.3 2.5 2.7 V VMUTE Mute Threshold 2.3 2.5 2.7 V Sel #1 Control Voltage Input #1 selected 0 1 V Sel #2 Control Voltage Input #2 selected 2.3 2.7 V Sel #3 Control Voltage Input #3 selected 4 5 V IqST-BY Quiescent Current @ Stand-by 0.6 1 mA AMUTE Mute Attenuation 60 75 dB IstbyBIAS Stand-by bias current Stand by on; VST-BY = 5V; VMUTE = 5V; 80 150 µA Play or Mute 2 20 µA ImuteBIAS Mute bias current Mute 1.5 10 µA Play 0.5 5 µA IswitchBIAS Switch bias current Input #1 selected -0.5 5 µA Input #2 selected 1 10 µA Input #3 selected 1.5 20 µA TDA7494 3/12 |
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