LM4545 Datasheet - National Semiconductor

AC97 Codec

LM4545 Features

* full duplex stereo A/D’s and D/A’s and an analog mixer with 4 stereo and 3 mono inputs, each of which has separate gain, attenuation and mute control. In addition, the LM4545 provides a stereo headphone amplifier with an independent gain control and National’s 3D Sound stereo enhancement technology.

LM4545 General Description

The LM4545 is an audio codec for PC systems which performs the analog-intensive function of the Analog Codec ’97 Rev 1.03 Architecture. Using 18-Bit Σ∆ A/D and D/A converters, the LM4545 provides 90dB of dynamic range. The LM4545 was designed specifically to provide a high quality audio path and pro.

LM4545 Datasheet (327.51 KB)

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LM4545

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National Semiconductor

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327.51 KB

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Ac97 codec.
LM4545 AC ’97 Codec with Stereo Headphone Amplifier and National 3D Sound PRELIMINARY July 1999 LM4545 AC ’97 Codec with Stereo Headphone Amplifier .

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LM4545 AC97 Codec National Semiconductor

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LM4545 Features

LM4545 General Description

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