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LM4921,pdf datasheet (Power Am
消耗积分:3 |
格式:rar |
大小:550 |
2009-10-09
王兰
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The LM4921 combines a 16-bit resolution stereo I2S input
digital-to-analog converter (DAC) with a stereo headphone
audio power amplifier. It is primarily designed for demanding
applications in mobile phones and other portable communication
device applications. The LM4921 features an I2S serial
interface for the digital audio information and a 16-bit SPI serial
interface for internal register control and communication.
With AVDD and DVDD = 3.0VDC and driving a 32Ω single-ended
load to a 26mWRMS output level the distortion (THD+N) of
the LM4921 will be less than 0.5%. The LM4921 also features
a programmable 32-step digital volume control accessed
through an SPI interface.
digital-to-analog converter (DAC) with a stereo headphone
audio power amplifier. It is primarily designed for demanding
applications in mobile phones and other portable communication
device applications. The LM4921 features an I2S serial
interface for the digital audio information and a 16-bit SPI serial
interface for internal register control and communication.
With AVDD and DVDD = 3.0VDC and driving a 32Ω single-ended
load to a 26mWRMS output level the distortion (THD+N) of
the LM4921 will be less than 0.5%. The LM4921 also features
a programmable 32-step digital volume control accessed
through an SPI interface.
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