LM4548
Overview
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.
- Analog Mixer Dynamic Range
- D/A Dynamic Range
- A/D Dynamic Range 97dB (typ) 89dB (typ) 90dB (typ) Features
- AC’97 Rev2 compliant
- National’s 3D Sound circuitry
- High quality Sample Rate Conversion (SRC) from 4kHz to 48kHz in 1Hz increments.
- Multiple Codec Support
- True Line Level Output with volume control in addition to standard Line Out
- Advanced power management support
- Digital 3V and 5V compliant
