IDT92HD91B1X5NLGXYAX8 IDT, Integrated Device Technology Inc, IDT92HD91B1X5NLGXYAX8 Datasheet - Page 3
IDT92HD91B1X5NLGXYAX8
Manufacturer Part Number
IDT92HD91B1X5NLGXYAX8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT92HD91B1X5NLGXYAX8.pdf
(298 pages)
Specifications of IDT92HD91B1X5NLGXYAX8
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92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
TABLE OF CONTENTS
IDT™ CONFIDENTIAL
1. DESCRIPTION ........................................................................................................................ 11
2. DETAILED DESCRIPTION ..................................................................................................... 12
3. CHARACTERISTICS ............................................................................................................... 45
1.1. Overview ..........................................................................................................................................11
1.2. Orderable Part Numbers ..................................................................................................................11
2.1. Port Functionality .............................................................................................................................12
2.2. Mono Output ....................................................................................................................................17
2.3. Mono output Band-Pass Filter .........................................................................................................18
2.4. Mixer ................................................................................................................................................18
2.5. ADC Multiplexers .............................................................................................................................18
2.6. Power Management .........................................................................................................................19
2.7. AFG D0 ............................................................................................................................................20
2.8. AFG D1 ............................................................................................................................................20
2.9. AFG D2 ............................................................................................................................................20
2.10. AFG D3 ..........................................................................................................................................20
2.11. Vendor Specific Function Group Power States D4/D5 ..................................................................20
2.12. Low-voltage HDA Signaling ...........................................................................................................21
2.13. Multi-channel capture ....................................................................................................................21
2.14. EAPD .............................................................................................................................................23
2.15. Digital Microphone Support ...........................................................................................................27
2.16. Analog PC-Beep ............................................................................................................................31
2.17. Digital PC-Beep .............................................................................................................................33
2.18. Headphone Drivers ........................................................................................................................34
2.19. BTL Amplifier .................................................................................................................................34
2.20. BTL Amplifier High-Pass Filter .......................................................................................................34
2.21. EQ ..................................................................................................................................................35
2.22. Combo Jack Detection ...................................................................................................................35
2.23. GPIO ..............................................................................................................................................36
2.24. HD Audio HDA015-B support ........................................................................................................36
2.25. Digital Core Voltage Regulator ......................................................................................................37
2.26. Aux Audio Support .........................................................................................................................38
3.1. Electrical Specifications ...................................................................................................................45
3.2. 92HD91 Analog Performance Characteristics (PRELIMINARY) .....................................................46
3.3. Class-D BTL Amplifier Performance ................................................................................................50
2.1.1. Port Characteristics ............................................................................................................13
2.1.2. Vref_Out .............................................................................................................................15
2.1.3. Jack Detect ........................................................................................................................15
2.1.4. SPDIF Output .....................................................................................................................15
2.3.1. Filter Description ................................................................................................................18
2.10.1. AFG D3cold .....................................................................................................................20
2.20.1. Filter Description ..............................................................................................................35
2.23.1. GPIO Pin mapping and shared functions .........................................................................36
2.23.2. SPDIF/Digital Microphone/GPIO Selection ......................................................................36
2.23.3. Digital Microphone/GPIO Selection .................................................................................36
2.26.1. General conditions in Aux Audio Mode: ...........................................................................38
2.26.2. Entering Aux Audio Mode ................................................................................................39
2.26.3. “Playback Path” Port Behavior (AnaIog I/O) ....................................................................40
2.26.4. When Port E presence detect = 0 ....................................................................................40
2.26.5. When Port E presence detect = 1 ....................................................................................40
2.26.6. “Record Path” Port Behavior (Analog I/O) .......................................................................41
2.26.7. SYSTEM DIAGRAMS (Analog I/O) ..................................................................................41
2.26.8. EAPD ...............................................................................................................................43
2.26.9. Analog PC_Beep .............................................................................................................43
2.26.10. Class-D BTL Issues .......................................................................................................44
2.26.11. Firmware/Software Requirements: .................................................................................44
3.1.1. Absolute Maximum Ratings ...............................................................................................45
3.1.2. Recommended Operating Conditions ................................................................................45
3
V 0.91 10/10
92HD91
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