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AD1888JCP-REEL Datasheet(PDF) 1 Page - Analog Devices |
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AD1888JCP-REEL Datasheet(HTML) 1 Page - Analog Devices |
1 / 32 page AC ’97 SoundMAX® Codec AD1888 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.Trademarks and registered trademarks are the property oftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2005 Analog Devices, Inc. All rights reserved. FEATURES AC ’97 2.3 compatible features 6 DAC channels for 5.1 surround 90 dB dynamic range 20-bit PCM DACs S/PDIF output Integrated stereo headphone amplifiers Phone, aux, and line-in High quality CD input Selectable MIC input Mono output External amplifier power-down control Double rate audio (fS = 96 kHz) Power-management modes 48-lead LQFP and 48-lead LFCSP ENHANCED FEATURES Selectable front and rear MIC inputs with preamp Integrated PLL for system clocking Crystal-free operation Variable sample rate 7 kHz to 96 kHz Jack sense (auto topology switching) Software-controlled VREF_OUT for MIC bias Software enabled outputs for jack sharing Auto down-mix and channel spreading modes FUNCTIONAL BLOCK DIAGRAM ID0 ID1 RESET SYNC BIT_CLK SDATA_OUT SDATA_IN SPDIF_OUT EAPD JS0 JS1 VREF VREFOUT AC '97 CONTROL REGISTERS DAC SLOT LOGIC G = GAIN A = ATTENUATION M=MUTE Z= HIGH-Z M A MONO_OUT M GA M 16-BIT Σ-Δ ADC G M G M M M M M M M GA M GA M GA M GA M GA M GA M GA M GA M GA M GA M GA M GA M GA ADC SLOT LOGIC PLL SPDIF TX EAPD JACK SENSE LOGIC VOLTAGE REFERENCE M A SURR_L/ HP_OUT_L HP M A SURR_R/ HP_OUT_R HP MZ A LFE_OUT MZ A CENTER_OUT MZ A LINE_OUT_R MZ A LINE_OUT_L 16-BIT Σ-Δ ADC PHONE_IN CD_L CD_R AUX_L AUX_R LINE_IN_L LINE_IN_R MIC1 MIC2 XTAL_IN AD1888 XTAL_OUT 20-BIT Σ-Δ DAC 20-BIT Σ-Δ DAC 20-BIT Σ-Δ DAC 20-BIT Σ-Δ DAC 20-BIT Σ-Δ DAC 20-BIT Σ-Δ DAC M GA G DIFF AMP Figure 1. |
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