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STAC9251D3TAEYY Datasheet(PDF) 2 Page - Integrated Device Technology |
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STAC9251D3TAEYY Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 137 page STAC9250/9251 TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES PC AUDIO IDT™ 2 STAC9250/9251 V 1.1 102706 TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES Table of Contents 1. DESCRIPTION ........................................................................................................................... 9 1.1. Overview ........................................................................................................................................... 9 1.2. Features ............................................................................................................................................ 9 1.3. Description ...................................................................................................................................... 10 2. CHARACTERISTICS ............................................................................................................... 11 2.1. Audio Fidelity .................................................................................................................................. 11 2.2. Electrical Specifications ................................................................................................................... 11 2.3. STAC9250/9251 5V Analog Performance Characteristics .............................................................. 13 2.4. STAC9250/9251 4V Analog Performance Characteristics .............................................................. 14 2.5. STAC9250/9251 3.3V Analog Performance Characteristics ........................................................... 14 2.6. Power Consumption ........................................................................................................................ 15 3. DETAILED DESCRIPTION ...................................................................................................... 16 3.1. SPDIF Input ..................................................................................................................................... 16 3.2. SPDIF Output .................................................................................................................................. 16 3.3. Digital Microphone Support (STAC9251 only) ................................................................................. 16 3.4. SiLabs System Side Modem ........................................................................................................... 16 3.5. Mono Out ......................................................................................................................................... 16 3.6. Headphone Drivers (Restrictions) ................................................................................................... 17 3.7. Universal Jacks™ ............................................................................................................................ 17 4. FUNCTIONAL BLOCK DIAGRAMS ........................................................................................ 18 4.1. STAC9250 ....................................................................................................................................... 18 4.2. STAC9251 ....................................................................................................................................... 19 5. WIDGET INFORMATION ......................................................................................................... 20 5.1. Widget Diagram - STAC9250 .......................................................................................................... 20 5.2. Widget Diagram - STAC9251 .......................................................................................................... 21 5.3. Widget List - STAC9250/9251 ........................................................................................................ 22 5.4. Root Node (NID = 0x00) .................................................................................................................. 23 5.5. AFG Node (NID = 0x01) .................................................................................................................. 24 5.6. DAC0Cnvtr Node (NID = 0x02) ....................................................................................................... 39 5.7. ADC0Cnvtr Node (NID = 0x03) ....................................................................................................... 43 5.8. SPDIFinCnvtr Node (NID = 0x04) ................................................................................................... 48 5.9. SPDIFoutCnvtr Node (NID = 0x05) ................................................................................................. 54 5.10. DAC0Mux Node (NID = 0x06) ....................................................................................................... 59 5.11. DigInPin Node (NID = 0x07) .......................................................................................................... 62 5.12. DigOutPin Node (NID = 0x08) ....................................................................................................... 68 5.13. ADC0VolMux Node (NID = 0x09) .................................................................................................. 73 5.14. MasterVol Node (NID = 0x0E) ....................................................................................................... 77 5.15. InPortMux Node (NID = 0x0F) ....................................................................................................... 80 5.16. PortAPin Node (NID = 0x0A) ......................................................................................................... 84 5.17. PortDPin Node (NID = 0x0D) ........................................................................................................ 89 5.18. PortCPin Node (NID = 0x0C) ........................................................................................................ 95 5.19. PortBPin Node (NID = 0x0B) ....................................................................................................... 101 5.20. MonoOutPin Node (NID = 0x10) ................................................................................................. 107 5.21. CDPin Node (NID = 0x11) ........................................................................................................... 112 5.22. MonoOutMix Node (NID = 0x12) ................................................................................................. 115 5.23. PCBeep Node (NID = 0x13) ........................................................................................................ 117 5.24. ADC0InMux Node (NID = 0x14) .................................................................................................. 120 5.25. DigMicPin Node (NID = 0x15) (STAC9251 only) ......................................................................... 125 6. ORDERING INFORMATION .................................................................................................. 129 6.1. STAC9250/9251 Family Options and Part Order Numbers ........................................................... 129 6.2. STAC9250/9251 Pin Diagram ....................................................................................................... 130 6.3. Pin Table for STAC9250/9251 ...................................................................................................... 131 7. PACKAGE DRAWINGS ......................................................................................................... 133 |
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