LM4550

AC97 Multi-Channel Audio Codec

National Semiconductor

LM4550 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. The LM4550 provides a stereo headphone amplifier with an independent gain control and also supports National’s 3D Sound stereo enhancement and variab

LM4550 General Description

The LM4550 is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC97 Rev2.1 architecture. Using 18-bit Sigma-Delta A/D’s and D/A’s, the LM4550 provides 90 dB of Dynamic Range. The LM4550 was designed specifically to provide a high quality .

LM4550 Datasheet (507.06 KB)

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LM4550

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National Semiconductor

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507.06 KB

Description:

Ac97 multi-channel audio codec.
LM4550 AC ’97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound December 2002 LM4550 A.

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LM4550 AC97 Multi-Channel Audio Codec National Semiconductor

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LM4550 Features

LM4550 General Description

Datasheet Details

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