Datasheet Details
- Part number
- LM4548
- Manufacturer
- National Semiconductor
- File Size
- 322.23 KB
- Datasheet
- LM4548_NationalSemiconductor.pdf
- Description
- AC97 Codec
LM4548 Description
LM4548 AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound February 1999 LM4548 AC ’97 Rev 2 Codec with Sample Rate Conversion and .
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.
LM4548 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. The LM4548 also provides the additional True Line-Level output and National’s 3D Sound stereo enhancement. The LM4548 supports variable sample rate c
LM4548 Applications
* n Desktop PC Audio Systems n Portable PC Systems n Mobile PC Systems
Block Diagram
DS100987-1
FIGURE 1. LM4548 Block Diagram
© 1999 National Semiconductor Corporation
DS100987
www. national. com
Absolute Maximum Ratings (Note 3)
If Military/Aerospace specified devices are required, please conta
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