STAC9250 Datasheet | IDT

DESCRIPTION The STAC9250/9251 are high fidelity, 2-channel audio CODECs pliant with the High Definition Audio (HD Audio) specification defined by Intel. The STAC9250/9251 enables a two-chip audio and modem implementation by integrating the “System Side” functionality of Silicon Labs’ modem solution. The STAC9250/ 9251 provides a direct interface to Silicon Labs’ “Line Side” integrated circuit. This integration results in cost savings without sacrificing audio fidelity or modem functionality. The STAC9251 also implements a direct interface to two digital microphones, supporting advanced beam forming applications and resulting in increased quality of voice applications. STAC9250/9251 - Integrated modem functionality from Silicon Labs1 supports reduced BOM costs - - - - - - - - Interfaces directly to Line Side integrated circuit from Silicon Labs Supports two-chip audio plus modem functionality Supports Software modem implementations from Motorola and others patible with the Silicon Labs chipset Supports Motherboard implementations eliminating MDC card and connector costs Reduced board space Reduced external ponent count Features - High-integration HD Audio Product - 2-channel PC Audio CODEC - Modem “System-side” functionality1 - Dual Digital Microphone interface(STAC9251) - Two-Channel DACs and ADCs with 24-bit sample resolution Integrated Headphone Amps Stereo Analog Microphone - - - - - - - - - Supports Stereo Microphone Microphone Boost 0, 10, 20, 30, 40d B S/PDIF In and Out Universal Jacks™ Functionality for jack retasking Adjustable VREF Out Digital PC Beep to all outputs 48-pin LQFP Environmental Package Two-Channel High Definition Audio CODEC with Modem and Dual Digital Microphone Interfaces - - - High performance Σ∆ technology Sample rates up to 192 KHz 100d B DAC SNR 1. Modem functionality can only be used with a “Line Side” DAA integrated circuit, Si3080 or similar, available from Silicon Labs (.silabs.). IDT™ STAC9250/9251 V 1.1...