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AD1886A

Analog Devices
Part Number AD1886A
Manufacturer Analog Devices
Description AC97 SoundMAX Codec
Published Mar 23, 2005
Detailed Description a AC’97 2.1 FEATURES Variable Sample Rate Audio Multiple Codec Configuration Options External Audio Power-Down Control A...
Datasheet PDF File AD1886A PDF File

AD1886A
AD1886A

Overview
a AC’97 2.
1 FEATURES Variable Sample Rate Audio Multiple Codec Configuration Options External Audio Power-Down Control AC’97 FEATURES AC’97 2.
2 Compliant Greater than 90 dB Dynamic Range Stereo Headphone Amplifier 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: LINE-IN, CD, VIDEO, and AUX Two Analog Line-Level Mono Inputs for Speakerphone and PC BEEP Mono MIC Input w/Built-In 20 dB Preamp, Switchable from Two External Sources High-Quality CD Input with Ground Sense AC’97 SoundMAX Codec AD1886A ® Stereo Line Level Outputs Mono Output for Speakerphone or Internal Speaker Power Management Support 48-Terminal LQFP Package ENHANCED FEATURES 20-Bit SPDIF Output w/32 kHz, 44.
1 kHz, and 48 kHz Symbol Rates Full Duplex Variable Sample Rates from 7040 Hz to 48 kHz with 1 Hz Resolution Jack Sense Pins Provide Automatic Output Switching Software-Enabled VREFOUT Output for Microphones and External Power Amp Split Power Supplies (3.
3 V Digital/5 V Analog) Mobile Low-Power Mixer Mode Extended 6-Bit Master Volume Control Extended 6-Bit Headphone Volume Control Digital Audio Mixer Mode Phat™ Stereo 3D Stereo Enhancement FUNCTIONAL BLOCK DIAGRAM ID0 ID1 JS SPDIF VREFOUT MIC1 MIC2 LINE AUX CD VIDEO PHONE_IN 0dB/ 20dB VREF CHIP SELECT JACK SENSE AD1886A SPDIF OUT SELECTOR PGA 16-BIT ⌺-⌬ A/D CONVERTER PGA 16-BIT ⌺-⌬ A/D CONVERTER RESET SYNC MONO_OUT MV AC LINK ⌺ HP_OUT_L ⌺ MV PHAT STEREO G A M ⌺ 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 LINE_OUT_L MV ⌺ ⌺ ⌺ ⌺ ⌺ ⌺ 16-BIT ⌺-⌬ D/A CONVERTER ⌺ SDATA_IN LINE_OUT_R MV PHAT STEREO ⌺ A M ⌺ ⌺ ⌺ ⌺ ⌺ G A M 16-BIT ⌺-⌬ D/A CONVERTER ⌺ HP_OUT_R MV G = GAIN A = ATTENUATE M = MUTE OSCILLATOR PC_BEEP XTAL_OUT XTAL_IN SoundMAX is a registered trademark and Phat is a trademark of Analog Devices, Inc.
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