LM4548 codec equivalent, ac97 codec.
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 LM4548 also pro.
n Desktop PC Audio Systems n Portable PC Systems n Mobile PC Systems
Block Diagram
DS100987-1
FIGURE 1. LM4548 Block .
The LM4548 is an audio codec for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC97 Rev2 architecture. Using 18-bit Sigma-Delta A/D’s and D/A’s, the LM4548 provides 90dB of Dynamic Range. The LM4548 was d.
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