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DATA SHEET
2-CHANNEL HIGH DEFINITION AUDIO CODEC Description
The 92HD001/92HD001D is a high quality, 2-channel audio CODEC compatible with the Intel High Definition (HD) Audio Interface. The 92HD001/92HD001D provides Stereo 24-Bit resolution with sample rates up to 192 KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The 92HD001/92HD001D incorporates IDT's proprietary SD technology to achieve an estimated DAC SNR of 95dB. The 92HD001/92HD001D provides high quality, HD Audio capability to notebook and cost sensitive desktop PC applications.
92HD001/92HD001D
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Mixer-less design
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Low-latency Karaoke Mode Supported
Integrated Headphone Amplifiers Stereo Microphone
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Supports Stereo Microphone Microphone Boost 0, 10, 20, 30, 40dB
Direct CDROM Recording Mixerless Design S/PDIF In and Out Universal JacksTM Functionality for jack retasking Adjustable VREF Out Digital PC Beep to all outputs +3.3 V, and +5 V analog power supply options 48-pin LQFP RoHS package Dolby Sound Room Compliant (92HD001D only)
(System manufacturers must obtain system license from Dolby.)
Features
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High performance SD technology 95dB DAC SNR Intel HD Audio Interface Two Channel DACs and ADCs with 24-bit resolution Sample rates up to 192 KHz
Dolby Home Theater Compliant (92HD001D only)
(System manufacturers must obtain system license from Dolby.)
IDT™
2-CHANNEL HIGH DEFINITION AUDIO CODEC
1 IDT CONFIDENTIAL
92HD001/92HD001D
V 1.0 12/06
92HD001/92HD001D 2-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table of Contents
1. DESCRIPTION ......................................................................................................................... 11 2. PERFORMANCE ..................................................................................................................... 12
2.1. Audio Fidelity ................................................................................................................................... 12 2.2. Electrical Specifications ................................................................................................................... 12 2.2.1. Absolute Maximum Ratings ............................................................................................... 12 2.2.2. Recommended Operation Conditions ............................................................................... 12 2.3. Power Consumption ........................................................................................................................ 13 2.3.1. Digital ................................................................................................................................. 13 2.3.2. Analog ............................................................................................................................... 13 2.4. 92HD001/92HD001D 5V Analog Performance Characteristics ....................................................... 14 2.5. 92HD001/92HD001D 3.3V Analog Performance Characteristics .................................................... 17
3. EXTENDED FEATURE EXPLANATION ................................................................................. 19
3.1. SPDIF Input ..................................................................................................................................... 19 3.2. SPDIF Output .................................................................................................................................. 19 3.3. Universal JacksTM .......................................................................................................................... 19 3.4. Audio Jack Presence Detect ........................................................................................................... 19
4. BLOCK DIAGRAMS AND TYPICAL HOOKUPS .................................................................... 20
4.1. Functional Block Diagram ................................................................................................................ 20 4.2. 92HD001/92HD001D Typical Connection Diagram for 48-pin LQFP .............................................. 21 4.3. 92HD001/92HD001D Split Independent Power Supply for 48-pin LQFP ........................................ 22
5. WIDGET INFORMATION .........................................................................................................23
5.1. Widget Diagram ............................................................................................................................... 23 5.2. 92HD001/92HD001D Widget List .................................................................................................... 24 5.3. Root Node (NID = 0x00) .................................................................................................................. 25 5.3.1. Root PnpID ......................................................................................................