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TDA7411 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7411 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 43 page ![]() 5/43 TDA7411 ELECTRICAL CHARACTERISTICS (VS = 8V; 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 inputs except Phone 70 100 130 K Ω VCL Clipping Level THD < 0.3% 1.6 1.7 VRMS SIN Input Separation 80 100 dB GIN MIN Min. Input Gain -0.5 0 0.5 dB GIN MAX Max. Input Gain 14 15 16 dB GSTEP Step Resolution 0.5 1 1.5 dB VDC DC Steps Adjacent Gain Step -5 0.5 5 mV GMIN to GMAX -10 5 10 mV FULL AND QUASI DIFFERENTIAL STEREO INPUT Rin Input Resistance (see Figure 1) Differential 70 100 130 K Ω Common Mode 70 100 130 K Ω CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1KHz 45 70 dB VCM = 1VRMS @ 10KHz 45 60 dB eN Output Noise @ Speaker Outputs 20Hz to 20KHz flat; all stages 0dB 915 µV MONO DIFFERENTIAL INPUT (NV and MD in differential mode) Rin Input Resistance Differential 40 56 K Ω CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1KHz 40 70 dB VCM = 1VRMS @ 10KHz 40 60 dB VOLUME CONTROL GMAX Max Gain 14 15 16 dB AMAX Max Attenuation 74 79 dB ASTEP Step Resolution 0.5 1 1.5 dB EA Attenuation Set Error G = -20 to +20dB -1.25 0 +1.25 dB G = -60 to +20dB -4 0 +3 dB ET Tracking Error 2dB VDC DC Steps Adjacent Attenuation Steps 0.1 3 mV From 0dB to GMIN 0.5 5 mV SOFT MUTE/AFS AMUTE Mute Attenuation 80 100 dB TD Delay Time T1 0.24 ms T2 0.48 ms T3 10.1 ms T4 20.2 ms VTH low Low Threshold for Mute/AFS-Pin1 1V VTH high High Threshold for SM -Pin 1.8 V VTH high High Threshold for AFS -Pin 2.4 V VSMon Monitor Voltage for SMon 2.4 V RPD Internal Pull-up Resistor 100 K Ω BASS CONTROL CRANGE Control Range ±13 ±15 ±17 dB ASTEP Step Resolution 0.5 1 1.5 dB |
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