LM4546A Datasheet (National Semiconductor) - 2 Multi-Channel Audio Codec

LM4546A, 2 Multi-Channel Audio Codec

The LM4546A 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 LM4546A provides 90 dB of Dynamic Range.

The LM4546A was designed specifically to provide a high qualit

LM4546A Features

* full duplex stereo ADCs and DACs and analog mixers with access to 2 stereo and 2 mono inputs. Each mixer input has separate gain, attenuation and mute control and the mixers drive 1 mono and 1 stereo output, each with attenuation and mute control. The LM4546A supports National's 3D Sound stereo enha