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92HD001

2-CHANNEL HIGH DEFINITION AUDIO CODEC



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2-CHANNEL HIGH DEFINITION AUDIO CODEC
DATA SHEET
92HD001/92HD001D
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.
Features
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
Mixer-less design
Low-latency Karaoke Mode Supported
Integrated Headphone Amplifiers
Stereo Microphone
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.)
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



No Preview Available !

92HD001 pdf
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 ....................................................................................................................... 25
5.3.2. Root RevID ..................................................................................................................... 25
5.3.3. Root NodeInfo .................................................................................................................. 26
5.4. AFG Node (NID = 0x01) .................................................................................................................. 26
5.4.1. AFG Reset ........................................................................................................................ 26
5.4.2. AFG NodeInfo ................................................................................................................... 27
5.4.3. AFG Type ......................................................................................................................... 27
5.4.4. AFG GrpCap ..................................................................................................................... 27
5.4.5. AFG FrmtCap ................................................................................................................... 28
5.4.6. AFG StreamCap ............................................................................................................... 29
5.4.7. AFG PwrCap .................................................................................................................... 30
5.4.8. AFG GPIOCap .................................................................................................................. 30
5.4.9. AFG OutAmpCap ............................................................................................................. 31
5.4.10. AFG PwrState ................................................................................................................. 32
5.4.11. AFG UnsolResp .............................................................................................................. 32
5.4.12. AFG GPIO ...................................................................................................................... 33
5.4.13. AFG GPIOEn .................................................................................................................. 34
5.4.14. AFG GPIODir .................................................................................................................. 35
5.4.15. AFG GPIOWake ............................................................................................................. 35
5.4.16. AFG GPIOUnsolEn ......................................................................................................... 36
5.4.17. AFG GPIOSticky ............................................................................................................. 37
5.4.18. AFG SysID ...................................................................................................................... 38
5.5. DAC0Cnvtr Node (NID = 0x02) ....................................................................................................... 39
5.5.1. DAC0Cnvtr Frmt ............................................................................................................... 39
5.5.2. DAC0Cnvtr WCap ............................................................................................................ 40
5.5.3. DAC0Cnvtr PwrState ......................................................................................................... 41
5.5.4. DAC0Cnvtr Stream ........................................................................................................... 42
5.6. ADC0Cnvtr Node (NID = 0x03) ...................................................................................................... 42
5.6.1. ADC0Cnvtr Frmt ............................................................................................................... 42
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC
2
IDT CONFIDENTIAL
92HD001/92HD001D
V 1.0 12/06



Part Number 92HD001
Description 2-CHANNEL HIGH DEFINITION AUDIO CODEC
Maker IDT - IDT
Total Page 30 Pages
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