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CS4297A Datasheet(PDF) 1 Page - Cirrus Logic |
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CS4297A Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 52 page  Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. 1 Copyright Cirrus Logic, Inc. 2001 (All Rights Reserved) P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.cirrus.com JUN ‘01 DS318PP5 CS4297A Features l AC ’97 2.1 Compatible l Industry Leading Mixed Signal Technology l 20-bit Stereo Digital-to-Analog Converters l 18-bit Stereo Analog-to-Digital Converters l Four Analog Line-level Stereo Inputs for LINE_IN, CD, VIDEO, and AUX l Two Analog Line-level Mono Inputs for Modem and Internal PC Beep l Dual Stereo Line-level Outputs for LINE_OUT and ALT_LINE_OUT l Dual Microphone Inputs l High Quality Pseudo-Differential CD Input l Extensive Power Management Support l Meets or Exceeds the Microsoft PC 99 Audio Performance Requirements l S/PDIF Digital Audio Output l CrystalClear 3D Stereo Enhancement Description The CS4297A is an AC ’97 2.1 compatible stereo audio codec designed for PC multimedia systems. Using the industry leading CrystalClear delta-sigma and mixed signal technology, the CS4297A enables the design of PC 99-compliant desktop, portable, and entertainment PCs. Coupling the CS4297A with a PCI audio accelerator or core logic supporting the AC ’97 interface, implements a cost effective, superior quality, audio solution. The CS4297A surpasses PC 99 and AC ’97 2.1 audio quality standards. ORDERING INFO CS4297A-KQ 48-pin TQFP 9x9x1.4 mm CS4297A-JQ 48-pin TQFP 9x9x1.4 mm AC’97 REGISTERS LINE CD AUX VIDEO MIC1 MIC2 PHONE PC_BEEP LINE_OUT ALT_LINE_OUT MONO_OUT ANALOG INPUT MUX AND OUTPUT MIXER AC-LINK AND AC’97 REGISTERS GAIN / MUTE CONTROLS INPUT MUX Σ OUTPUT MIXER MIXER / MUX SELECTS AC- LINK PWR MGT SYNC BIT_CLK SDATA_OUT SDATA_IN RESET# PCM_DATA DAC 20 bits ADC 18 bits S/PDIF PCM_DATA CrystalClear SoundFusion™ Audio Codec ’97 |
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