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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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TDA7402 数据表(PDF) 10 Page - STMicroelectronics |
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TDA7402 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 71 page  Electrical specifications TDA7402 10/71 Mixing control MLEVEL Mixing ratio Main / mix source -6/-6 dB GMAX Max. gain 131517 dB AMAX Max. attenuation -83 -79 -75 dB ASTEP Attennuation step 0.5 1 1.5 dB Multiplexer output (1) ROUT Output impedance 225 300 W RL Output load resistance 2 k Ω CL Output load capacitance 10 nF VDC DC voltage level 4.3 4.5 4.7 V Loudness control ASTEP Step resolution 0.5 1 1.5 dB AMAX Max. attenuation -21 -19 -17 dB fPeak Peak frequency fP1 180 200 220 Hz fP2 360 400 440 Hz fP3 540 600 660 Hz fP4 720 800 880 Hz Volume control GMAX Max. gain 303234 dB AMAX Max. attenuation -83 -79.5 -75 dB ASTEP Step resolution 0 0.5 1 dB EA Attenuation set error G = -20 to +20dB -0.75 0 +0.75 dB G = -80 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 AMUTE Mute attenuation 80 100 dB TD Delay time T1 0.48 1 ms T2 0.96 2 ms T3 70 123 170 ms T4 200 324 600 ms VTH low Low threshold for SM Pin (2) 1V Table 2. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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