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AD1981HD データシート(PDF) 1 Page - Analog Devices |
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AD1981HD データシート(HTML) 1 Page - Analog Devices |
1 / 16 page HD Audio SoundMAX® Codec AD1981HD Rev. 0 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 of their respective owners. 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 2 DAC channels: 16-, 20-, or 24-bit 2 ADC channels: 16- or 20-bit HD audio sample rates 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz Greater than 90 dB dynamic range S/PDIF output: 32 kHz, 44.1 kHz or 48 kHz, 16- or 24-bit Digital beep and analog PC beep pass-through Integrated headphone amplifiers on two ports Port retasking Selectable microphone and line inputs Full analog mixer Legacy inputs: CD and auxiliary inputs External amplifier power-down (EAPD) 48-pin, Pb-free LQFP ENHANCED FEATURES No AFILT pins, results in BOM savings 5.0 V AVDD supply, 3.3 V DVDD supply Jack-sensing autoconfiguration options Mute line output and monaural output (MONO_OUT) when headphones are used Mute MONO_OUT when a device is in the line out jack Selectable trip level: high/low supports all jack types Peripheral identification/enumeration Jack event/presence detection using SENSE or GPIO pins Microphone to MONO_OUT for speakerphone applications Advanced power management modes 4 software-controlled microphone bias pins Up to 30 dB microphone boost 4 GPIOs—external control or traditional jack sense FUNCTIONAL BLOCK DIAGRAM EQ PCM Σ-Δ DAC S/PDIF_OUT GPIO GPIO JACK SENSE SENSE DIGITAL PC BEEP Σ GA G PC BEEP GA GA GA GA GA GA PC BEEP PCM/FLOAT32 Σ-Δ ADC M G PCM/AC3 S/PDIF TX GAM GAM HP GAM BOOST BOOST MIC BIAS HP Z Z GAM MIC BIAS Z Z BOOST GAM MIC BIAS Z Z BOOST MIC BIAS Z DIFF AMP Σ M M MIC_BIAS-C PORT-C MONO_OUT PORT-A MIC_BIAS-F PORT-F MIC_BIAS-D PORT-D MIC_BIAS-B PORT-B LINE_IN HEADPHONE REAR MIC LINE_OUT FRONT MIC RESET AVDD AVSS PC BEEP 5V M M M M M M M M Figure 1. |
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同様の説明 - AD1981HD |
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