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TDA7494SA 데이터시트(PDF) 3 Page - STMicroelectronics |
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3 / 13 page 3/13 TDA7496SA Ipeak Output Peak Current (internally limited) 1.0 1.3 A VIN Input Signal 2.8 Vrms GV Closed Loop Gain VOl Ctrl >4.5V 28.5 30 31.5 dB GVLine Monitor Out Gain VOl Ctrl >4.5V; Zload >30KΩ -1.5 0 1.5 dB AMin VOL Attenuation at Minimum Volume VOl Ctrl <0.5V 80 dB BW 0.6 MHz eN Total Output Noise f = 20Hz to 22KHz PLAY, max volume 500 800 µV f = 20Hz to 22KHz PLAY, max attenuation 100 250 µV f = 20Hz to 22KHz MUTE 60 150 µV SR Slew Rate 5 8 V/ µs Ri Input Resistance 22.5 30 K Ω RVar Out Variable Output Resistance 30 100 Ω RL Var Out Variable Output Load 2 K Ω SVR Supply Voltage Rejection f = 1KHz; max volume CSVR = 470µF; VRIP = 1Vrms 35 39 dB f = 1KHz; max attenuation CSVR = 470µF; VRIP = 1Vrms 55 65 dB TM Thermal Muting 150 °C TS Thermal Shut-down 160 °C MUTE & INPUT SELECTION FUNCTIONS VST-ON Stand-by ON Threshold 3.5 V VST-OFF Stand-by OFF Threshold 1.5 V VMUTEON Mute ON threshold 3.5 V VMUTEOFF Mute OFF threshold 1.5 V AMUTE Mute Attenuation 50 65 dB IqST-BY Quiescent Current @ Stand-by 0.6 1 mA IstbyBIAS Stand-by bias current Stand by ON: VST-BY = 5V; Vmute = 5V 80 µA Play or Mute -20 -5 µA ImuteBIAS Mute Bias Current Mute 1 5 µA Play 0.2 2 µA ELECTRICAL CHARACTERISTCS (continued) (Refer to the test circuit RL = 8Ω, f = 1KHz, Rg = 50Ω, VS = 22V, Tamb = 25°C) Symbol Parameter Test Condition Min. Typ. Max. Unit |
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