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CS43L21 数据表(PDF) 56 Page - Cirrus Logic

部件名 CS43L21
功能描述  Low Power, Stereo Digital to Analog Converter
PDF  63 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS43L21 数据表(HTML) 56 Page - Cirrus Logic

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DS723A1
CS43L21
7.2
Headphone Amplifier Efficiency
The architecture of the headphone amplifier is that of typical class AB amplifiers. Test conditions (unless
otherwise specified): Input test signal is a 997 Hz sine wave; Power Consumption Mode 6 - Stereo Playback
w/16
Ω load. HP_GAIN = 1.1430. Best efficiency is realized when the amplifier outputs maximum power.
Figure 25. Power Dissipation vs. Output Power into Stereo 16
Ω
VA_HP = VA = 1.8 V
Figure 26. Power Dissipation vs. Output Power into Stereo 16
Ω (Log Detail)
VA_HP = VA = 1.8 V



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