IDTSTAC9227X3TAEA2XR IDT, Integrated Device Technology Inc, IDTSTAC9227X3TAEA2XR Datasheet - Page 2
IDTSTAC9227X3TAEA2XR
Manufacturer Part Number
IDTSTAC9227X3TAEA2XR
Description
IC AUDIO CODEC 8CH HD 3.3V 48QFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDTSTAC9227X3TAEA2XR.pdf
(231 pages)
Specifications of IDTSTAC9227X3TAEA2XR
Resolution (bits)
24 b
Number Of Adcs / Dacs
3 / 4
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
90 / 105
Dynamic Range, Adcs / Dacs (db) Typ
90 / 95
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 3.8 V ~ 4.2 V; 4.28 V ~ 4.73 V; 4.75 V ~ 5.25 V
Voltage - Supply, Digital
3.14 V ~ 3.47 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9227X3TAEA2XR
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TABLE OF CONTENTS
IDT™
STAC9227/9228/9228D
8-CHANNEL HIGH DEFINITION AUDIO CODEC
8-CHANNEL HIGH DEFINITION AUDIO CODEC
1. DESCRIPTION ......................................................................................................................... 14
2. CHARACTERISTICS ............................................................................................................... 15
3. DETAILED DESCRIPTION ...................................................................................................... 22
4. FUNCTIONAL BLOCK DIAGRAMS ........................................................................................ 28
5. WIDGET DIAGRAM ................................................................................................................. 29
6. WIDGET INFORMATION FOR THE STAC9227/9228/9228D ................................................ 31
2.1. Audio Fidelity ................................................................................................................... 15
2.2. Electrical Specifications .................................................................................................. 15
2.3. STAC9227/9228/9228D 5V, 4.5V, 4.0V, and 3.3V Analog Performance Characteristics 17
3.1. Universal JacksTM .......................................................................................................... 22
3.2. Impedance Sense ........................................................................................................... 23
3.3. SPDIF Input ..................................................................................................................... 23
3.4. SPDIF Output .................................................................................................................. 23
3.5. Digital Microphone Support (STAC9228X/D) .................................................................. 23
3.6. Analog PC-Beep ............................................................................................................. 27
3.7. Headphone Drivers (Restrictions) ................................................................................... 27
3.8. Device IDs ....................................................................................................................... 27
5.1. Pin Configuration Default Register Settings .................................................................... 30
6.1. Root Node (NID = 0x00) ................................................................................................. 33
6.2. AFG Node (NID = 0x01) .................................................................................................. 34
2.2.1. Absolute Maximum Ratings ................................................................................ 15
2.2.2. Recommended Operation Conditions ................................................................ 15
3.1.1. Audio Jack Presence Detect .............................................................................. 22
6.1.1. Root ID ............................................................................................................... 33
6.1.2. Root RevID ......................................................................................................... 33
6.1.3. Root NodeInfo .................................................................................................... 34
6.2.1. AFG Reset .......................................................................................................... 34
6.2.2. AFG NodeInfo .................................................................................................... 35
6.2.3. AFG Type ........................................................................................................... 35
6.2.4. AFG Cap ............................................................................................................ 36
6.2.5. AFG PCMCap .................................................................................................... 37
6.2.6. AFG Stream ....................................................................................................... 38
6.2.7. AFG InAmpCap .................................................................................................. 38
6.2.8. AFG SupPwrState .............................................................................................. 39
6.2.9. AFG GPIOCnt .................................................................................................... 39
6.2.10. AFG OutAmpCap ............................................................................................. 40
6.2.11. AFG PwrState .................................................................................................. 41
6.2.12. AFG UnsolResp ............................................................................................... 41
6.2.13. AFG GPIO ........................................................................................................ 42
6.2.14. AFG GPIOEn .................................................................................................... 43
6.2.15. AFG GPIODir ................................................................................................... 44
6.2.16. AFG GPIOWakeEn .......................................................................................... 45
6.2.17. AFG GPIOUnsol ............................................................................................... 46
6.2.18. AFG GPIOSticky .............................................................................................. 47
6.2.19. AFG SubID ....................................................................................................... 48
6.2.20. AFG TCKT ........................................................................................................ 49
6.2.21. AFG Sply .......................................................................................................... 49
6.2.22. AFG DACMode ................................................................................................ 50
IDT CONFIDENTIAL
2
STAC9227/9228/9228D
PC AUDIO
V 1.1 01/08
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