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LM4934,pdf datasheet (Stereo H
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大小:551 |
2009-10-08
杨海清
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The LM4934 is an integrated audio sub-system designed for
stereo cell phone applications. Operating on a 3.3V supply, it
combines a stereo speaker amplifier delivering 520mW per
channel into an 8Ω load, a stereo headphone amplifier delivering
36mW per channel into a 32Ω load, a mono earpiece
amplifier delivering 55mW into a 32Ω load, and a line output
for an external powered handsfree speaker. It integrates the
audio amplifiers, volume control, mixer, power management
control, and National 3D enhancement all into a single package.
In addition, the LM4934 routes and mixes the stereo
and mono inputs into multiple distinct output modes. The
LM4934 features an I2S serial interface for full range audio
and an I2C/SPI compatible interface for control.
Boomer audio power amplifiers are designed specifically to
provide high quality output power with a minimal amount of
external components.
stereo cell phone applications. Operating on a 3.3V supply, it
combines a stereo speaker amplifier delivering 520mW per
channel into an 8Ω load, a stereo headphone amplifier delivering
36mW per channel into a 32Ω load, a mono earpiece
amplifier delivering 55mW into a 32Ω load, and a line output
for an external powered handsfree speaker. It integrates the
audio amplifiers, volume control, mixer, power management
control, and National 3D enhancement all into a single package.
In addition, the LM4934 routes and mixes the stereo
and mono inputs into multiple distinct output modes. The
LM4934 features an I2S serial interface for full range audio
and an I2C/SPI compatible interface for control.
Boomer audio power amplifiers are designed specifically to
provide high quality output power with a minimal amount of
external components.
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