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.
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. The LM4545 features AC-Link, a synchronous, fixed rate serial bus for connection to the digital AC ’97 Controller. The separation of the analog and digital functions of the AC ’97 architecture allows.
LM4545_NationalSemiconductor.pdf
