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AD1885

Analog Devices
Part Number AD1885
Manufacturer Analog Devices
Description AC97 SoundMAX Codec
Published Mar 23, 2005
Detailed Description a AC’97 2.1 FEATURES Variable Sample Rate True Line-Level Output Supports Secondary Codec Modes AC’97 SoundMAX® Codec A...
Datasheet PDF File AD1885 PDF File

AD1885
AD1885

Overview
a AC’97 2.
1 FEATURES Variable Sample Rate True Line-Level Output Supports Secondary Codec Modes AC’97 SoundMAX® Codec AD1881A ENHANCED FEATURES Mobile Low Power Mixer Mode Digital Audio Mixer Mode Full Duplex Variable 8 kHz to 48 kHz Sampling Rate with 1 Hz Resolution PHAT™ Stereo 3D Stereo Enhancement Split Power Supplies (3.
3 V Digital/5 V Analog) Extended 6-Bit Master Volume Control Audio Amp Power-Down Signal AC’97 FEATURES Designed for AC’97 Analog I/O Component 48-Lead LQFP Package Multibit ⌺⌬ Converter Architecture for Improved S/N Ratio Greater than 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 or Internal Speaker Power Management Support FUNCTIONAL BLOCK DIAGRAM CS0 CS1 EAPD MODE AD1881A MODE/SYNCHRONIZER MIC1 MIC2 LINE_IN 0dB/ 20dB CD VIDEO PHONE_IN SELECTOR AUX PGA 16-BIT ⌺⌬ A/D CONVERTER PGA 16-BIT ⌺⌬ A/D CONVERTER RESET SYNC MONO_OUT MV AC LINK ⌺ LNLVL_OUT_L ⌺ ⌺ POP G A M ⌺ G A M G A M G A M G A M G A M SAMPLE RATE GENERATORS BIT_CLK SDATA_OUT G A M LINE_OUT_L MV D A M PHAT STEREO ⌺ ⌺ ⌺ ⌺ ⌺ ⌺ NC 16-BIT ⌺⌬ D/A CONVERTER ⌺ SDATA_IN LINE_OUT_R MV ⌺ POP PHAT STEREO ⌺ ⌺ ⌺ ⌺ ⌺ ⌺ NC G A M 16-BIT ⌺⌬ D/A CONVERTER ⌺ LNLVL_OUT_R A M PC_BEEP G = GAIN A = ATTENUATE M = MUTE MV = MASTER VOLUME NC = NO CONNECT OSCILLATORS XTL_OUT XTL_IN SoundMAX is a registered trademark and PHAT is a trademark of Analog Device, Inc.
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 ...


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