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LM4543

National Semiconductor
Part Number LM4543
Manufacturer National Semiconductor
Description AC97 Codec
Published Mar 22, 2005
Detailed Description LM4543 AC ’97 Codec with National 3D Sound February 1999 LM4543 AC ’97 Codec with National 3D Sound General Descriptio...
Datasheet PDF File LM4543 PDF File

LM4543
LM4543

Overview
LM4543 AC ’97 Codec with National 3D Sound February 1999 LM4543 AC ’97 Codec with National 3D Sound General Description The LM4543 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 LM4543 provides 90dB of dynamic range.
The LM4543 was designed specifically to provide a high quality audio path and provide all analog functionality in a PC audio system.
It 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 LM4543 provides National’s 3D Sound stereo enh...


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