IDTSTAC9228D3TAEB4X IDT, Integrated Device Technology Inc, IDTSTAC9228D3TAEB4X Datasheet - Page 2

• Manufacturer Part Number: IDTSTAC9228D3TAEB4X
• Description: IC AUDIO CODEC 8CH HD 3.3V 48QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec, HDr

Specifications of IDTSTAC9228D3TAEB4X

• 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: STAC9228D3TAEB4X

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