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AD1819 Arkusz danych(PDF) 1 Page - Analog Devices |
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AD1819 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 28 page 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD1819B One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 AC’97 SoundPort® Codec AC’97 FEATURES Fully Compliant AC’97 Analog I/O Component 48-Terminal LQFP Package Multibit Converter Architecture for Improved S/N Ratio >90 dB 16-Bit Stereo Full-Duplex Codec Four Analog Line-Level Stereo Inputs for Connection from LINE, CD, VIDEO, and AUX Two Analog Line-Level Mono Inputs for Speakerphone and PC BEEP Mono MIC Input Switchable from Two External Sources High Quality CD Input with Ground Sense Stereo Line Level Output Mono Output for Speakerphone Power Management Support ENHANCED FEATURES Support for Multiple Codec Communications DSP 16-Bit Serial Port Format Variable 7 kHz to 48 kHz Sampling Rate with 1 Hz Resolution Supports Modem Sample Rates and Filtering Phat™ Stereo 3D Stereo Enhancement VHDL and Verilog Models of Serial Port Available SoundPort is a registered trademark of Analog Devices, Inc. Phat is a trademark of Analog Devices, Inc. FUNCTIONAL BLOCK DIAGRAM G A M G A M G A M SYNC BIT_CLK PHAT STEREO PHAT STEREO G A M A M MV 0dB/ 20dB MV AD1819B MIC1 MIC2 AUX CD VIDEO PC_BEEP LINE_OUT_L MONO_OUT LINE_IN PHONE_IN LINE_OUT_R MV PGA PGA 16-BIT A/D CONVERTER G A M SAMPLE RATE GENERATORS G = GAIN A = ATTENUATE M = MUTE MV = MASTER VOLUME OSCILLATORS XTALO XTALI CS1 CHAIN_IN CHAIN_CLK RESET SDATA_IN CS0 MASTER/SLAVE SYNCHRONIZER SDATA_OUT G A M 16-BIT A/D CONVERTER G A M G A M 16-BIT D/A CONVERTER 16-BIT D/A CONVERTER |
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