LM4540 codec equivalent, ac97 codec.
full duplex stereo A/D’s and D/A’s and an analog mixer with 2 stereo and 3 mono inputs, each of which has separate gain, attenuation and mute control. In addition, the LM.
n PC Audio Systems Requiring Only 2 Stereo Inputs (CD, Line) and 3 Mono Inputs (Mic, Phone, PC Beep)
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DS1.
The LM4540 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 LM4540 provides 90dB of dynamic range. The LM4540 was designed specifi.
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