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CS43L21 Fiches technique(PDF) 56 Page - Cirrus Logic

No de pièce CS43L21
Description  Low Power, Stereo Digital to Analog Converter
PDF  63 Pages
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Fabricant  CIRRUS [Cirrus Logic]
Site Internet  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43L21 Fiches technique(HTML) 56 Page - Cirrus Logic

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56
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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