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[资料] TYPE-C模拟耳机方案
2018-11-12 10:40:56  4847 耳机
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The AS3UA6313CR is a switches combo of High-Speed Data/Hi-Fi audio and Side Band Use (SBU). It

operates dual power supplies of VBUS and VBAT, either of which can power-up the chip.
The Audio path is with low distortion, high swing capability that features Ron of 1.2Ω (typical) at VBAT=3.3V.
With very sound THD+N peRFormance, it is an ideal device for Hi-Fi system applications.
The USB path bandwidth is wide enough (>900MHz) to pass high-speed USB 2.0 dIFferential signals (480
Mb/s) with good signal integrity.
The Side Band Use (SBU) configures internal switches to Ground and MIC connections on a headphone
connector. The Ground switch has a low Ron of 0.3Ω (typical) to minimize voltage drop across it, preventing
undesired increase in headphone ground reference voltage. Furthermore, a GND sense path supports quasidifferential
amplifier architectures, which helps reduce cross-talk between R and L and improve sound quality.
In addition, SBU ports (40MHz bandwidth) can be configured as UART Tx/Rx ports or to transmit eDP AUX
signals (1MHz).


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AS3UA6313CR_Preliminary_Datasheet.pdf

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· 2018-11-12 22:01:56
有中文版的资料吗

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