LM4548A Datasheet (National Semiconductor) - 2 Multi-Channel Audio Codec

LM4548A, 2 Multi-Channel Audio Codec

The LM4548A is an audio codec for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC ’97 Rev 2 architecture.

Using 18-bit Sigma-Delta ADCs and DACs, the LM4548A provides 90 dB of Dynamic Range.

The LM4548A was designed specifically to provide a high qualit

LM4548A Features

* full duplex stereo ADCs and DACs and analog mixers with access to 4 stereo and 4 mono inputs. Each mixer input has separate gain, attenuation and mute control and the mixers drive 1 mono and 2 stereo outputs, each with attenuation and mute control. The LM4548A supports National’s 3D Sound stereo enh