IDTSTAC9274X5TAEA2XR IDT, Integrated Device Technology Inc, IDTSTAC9274X5TAEA2XR Datasheet - Page 2

• Manufacturer Part Number: IDTSTAC9274X5TAEA2XR
• Description: IC AUDIO CODEC 10CH HD 5V 48TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec, HDr

Specifications of IDTSTAC9274X5TAEA2XR

• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 3 / 5
• 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-TQFP, 48-VQFP
• Single Supply Voltage (typ): 3.3V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.465V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9274X5TAEA2XR

Table of Contents
IDT™
STAC9271/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
10-CHANNEL HIGH DEFINITION AUDIO CODEC
1. DESCRIPTION ......................................................................................................................... 14
2. CHARACTERISTICS ............................................................................................................... 15
3. DETAILED DESCRIPTION ...................................................................................................... 21
4. FUNCTIONAL BLOCK DIAGRAMS ........................................................................................ 28
5. WIDGET DIAGRAM ................................................................................................................. 30
6. WIDGET INFORMATION .......................................................................................................32
2.1. Audio Fidelity ................................................................................................................................... 15
2.2. Electrical Specifications ................................................................................................................... 15
2.3. STAC9271/74 5 V, 4.5 V, 4.0 V and 3.3 V Analog Performance Characteristics ............................ 17
3.1. Universal JacksTM .......................................................................................................................... 21
3.2. SPDIF Input ..................................................................................................................................... 22
3.3. SPDIF Output .................................................................................................................................. 23
3.4. ADAT
3.5. Digital Microphone Support (STAC9274) ........................................................................................ 23
3.6. Analog PC-Beep .............................................................................................................................. 27
3.7. Headphone Drivers (Restrictions) ................................................................................................... 27
3.8. Device IDs ....................................................................................................................................... 27
4.1. STAC9274 ....................................................................................................................................... 28
4.2. STAC9271 ....................................................................................................................................... 29
5.1. Pin Configuration Default Register Settings .................................................................................... 31
6.1. Root Node (NID = 0x00) .................................................................................................................. 34
6.2. AFG Node (NID = 0x01) .................................................................................................................. 35
2.2.1. Absolute Maximum Ratings ............................................................................................... 15
2.2.2. Recommended Operation Conditions ............................................................................... 15
3.1.1. Audio Jack Presence Detect ............................................................................................. 21
6.1.1. Root ID .............................................................................................................................. 34
6.1.2. Root RevID ........................................................................................................................ 34
6.1.3. Root NodeInfo ................................................................................................................... 35
6.2.1. AFG Reset ......................................................................................................................... 35
6.2.2. AFG NodeInfo .................................................................................................................... 36
6.2.3. AFG Type .......................................................................................................................... 36
6.2.4. AFG Type .......................................................................................................................... 36
6.2.5. AFG PCMCap .................................................................................................................... 37
6.2.6. AFG Stream ....................................................................................................................... 38
6.2.7. AFG InAmpCap ................................................................................................................. 39
6.2.8. AFG SupPwrState ............................................................................................................. 39
6.2.9. AFG GPIOCnt .................................................................................................................... 40
6.2.10. AFG OutAmpCap ............................................................................................................ 41
6.2.11. AFG PwrState .................................................................................................................. 41
6.2.12. AFG UnsolResp ............................................................................................................... 42
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
6.2.23. AFG GPIOPlrty ................................................................................................................ 51
6.2.24. AFG GPIODrive ............................................................................................................... 52
6.2.25. AFG DMic ........................................................................................................................ 53
®
Output (STAC9274) ............................................................................................................ 23
IDT CONFIDENTIAL
2
STAC9271/9274
PC AUDIO
V 1.1 01/08