STAC9752

www.DataSheet4U.com DATASHEET TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING Description IDT's STAC9752/9753 are general purpose 20-bit, full duplex, audio CODECs conforming to the analog component specification of AC'97 (Audio CODEC 97 Component Specification Rev. 2.3). The STAC9752/9753 incorporate IDT's proprietary Σ∆ technology to achieve a DAC SNR in excess of 90dB. The DACs, ADCs and mixer are integrated with analog I/Os, which include four analog line-level stereo inputs, two analog line-level mono inputs, two stereo outputs, and one mono output channel. The STAC9752/9753 include digital output capability for support of modern PC systems with an output that supports the SPDIF format. The STAC9752/9753 are standard 2-channel stereo CODECs. With IDT’s headphone capability, headphones can be driven without an external amplifier. The STAC9752/9753 may be used as a secondary or tertiary CODECs, with STAC9700/21/44/56/ 08/84/50/66 as the primary, in a multiple CODEC configuration conforming to the AC'97 Rev. 2.3 specification. This configuration can provide the true six-channel, AC-3 playback required for DVD applications. The STAC9752/9753 communicate via the five AC-Link lines to any digital component of AC'97, providing flexibility in the audio system design. Packaged in an AC'97 compliant 48-pin TQFP, the STAC9752/9753 can be placed on the motherboard, daughter boards, PCI, AMR, CNR, MDC or ACR cards. STAC9752/9753 ...