HMP9701

Semiconductor November 1998 T CT DUC PRODU O R TE P TITUTE 42-7747 OLE 4 OBS LE SUBS s 1-800- m o n B c I . o i s S t POS Applica p@harri A R l p a FO Centra cent call r email: o HMP9701 AC’97 Audio Codec Features Fully Compatible with the Audio Codec ‘97 Standard High Fidelity 16-Bit Σ∆ Converters - DAC SNR > 80dB - ADC SNR > 80dB Additional A/D for Microphone Pass-Through AC Link Serial Interface Compatible with AC’97 Digital Controllers Fixed 48kHz Sampling Rate 6 Channel Input Mixer Programmable Powerdown Modes 48 Lead TQFP Package Single +5V Supply Description The HMP9701 is the next generation PC based audio codec solution. The HMP9701 is fully compatible to the new AC’97 standard and, as such, interfaces to any AC’97 compliant digital controller. The HMP9701 offers the designer a solution to satisfy the demand for flexibility and improved High Fidelity sound in a PC environment. As part of the AC’97 PC audio standard architecture, the HMP9701 helps pave the way for PC’97 compliant desktop, portable and entertainment PCs with a cost effective high-quality audio solution. As the analog front end of the AC’97 chipset, the HMP9701 accepts line level audio inputs from seven different sources and converts the analog audio to 16-bit digital streams of either stereo or mono data. The 48 Kss data is transmitted to the controller via the AC’97 standard five wire interface. The controller sends digital audio data to the HMP9701 to be converted to analog stere...