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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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STA538B 数据表(PDF) 13 Page - STMicroelectronics |
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STA538B 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 59 page  STA538 Electrical specifications 13/59 3.2 Electrical characteristics Table 6 lists the device’s electrical characteristics (see also Table 5 for supply voltages). Note: LRCLKI frequency (Fs) = 48 kHz, input frequency = 1 kHz, and Rload = 32 Ω unless otherwise specified. Table 6. Electrical characteristics Symbol Parameter Test conditions Min Typ Max Unit Eff Output power efficiency 90 % Rdson Output stage N/PMOS on- resistance 250 m Ω IstbyL Logic power supply current at standby 1.3 µA IstbyP Bridges power supply current in standby 0.7 µA IddL Logic power supply current at operating 15 mA IddP Bridges power supply current at operating 0.5 mA Tds Low current dead time (static) 1 ns Tdd High current dead time (dynamic) 2.5 ns Tr Rise time 3 ns Tf Fall time 3 ns DNR Dynamic range A-weighted Speaker mode 96 dB SNR Signal-to-noise ratio (A- weighted) Speaker mode 92 dB THDN Total harmonic distortion 0 dBFS input, 8 Ω load speaker 0.1 % THDN Total harmonic distortion -6 dBFS input, 8 Ω load speaker 0.05 % THDN Total harmonic distortion 0 dBFS input, 32 Ω load headphone 0.1 % THDN Total harmonic distortion -6 dBFS input, 32 Ω load headphone 0.05 % |
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