92HD75B2X3NLGXYBX Integrated Device Technology (Idt), 92HD75B2X3NLGXYBX Datasheet - Page 9

• Manufacturer Part Number: 92HD75B2X3NLGXYBX
• Description: Audio Codec 2ADC / 2DAC 24-Bit 32-Pin VFQFPN EP
• Manufacturer: Integrated Device Technology (Idt)
• Type: PCMr

Specifications of 92HD75B2X3NLGXYBX

• Package: 32VFQFPN EP
• Adc/dac Resolution: 24 Bit
• Number Of Channels: 2ADC /2 DAC
• Sampling Rate: 192 KSPS
• Number Of Dacs: 2
• Operating Supply Voltage: 1.5|3.3|4|4.75|5 V

4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
LIST OF FIGURES
LIST OF TABLES
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
Figure 1. 92HD75B Block Diagram ...............................................................................................................11
Figure 2. System Diagram ............................................................................................................................11
Figure 3. Jack Detect .....................................................................................................................................13
Figure 4. Multi-channel capture ......................................................................................................................17
Figure 5. Multi-channel timing diagram ..........................................................................................................17
Figure 6. Single Digital Microphone (data is ported to both left and right channels .......................................20
Figure 7. Stereo Digital Microphone Configuration ........................................................................................21
Figure 8. Quad Digital Microphone Configuration ..........................................................................................22
Figure 9. Volume Knob ..................................................................................................................................25
Figure 10. Port Configurations .......................................................................................................................33
Figure 11. 92HD75B 5-port 32 pad Functional Block Diagram ......................................................................34
Figure 12. 92HD75B 6-port 48 pad Functional Block Diagram ......................................................................35
Figure 13. 92HD75B 5-port 32 pad Widget Diagram .....................................................................................36
Figure 14. 92HD75B 6-port 48 pad Widget Diagram .....................................................................................37
Figure 15. 32 Pad Assignment .....................................................................................................................207
Figure 16. 48 Pad Assignment .....................................................................................................................208
Figure 17. 32-pad QFN Package Drawing ...................................................................................................211
Figure 18. 48-pad QFN Package Drawing ...................................................................................................212
Figure 19. Solder Reflow Profile .................................................................................................................213
Table 1. Analog Output Port Behavior ...........................................................................................................13
Table 2. SPDIF OUT 0 (Pin 48) Behavior ......................................................................................................14
Table 3. SPDIF OUT 1 (Pin 45) Behavior ......................................................................................................14
Table 4. Power Managemen ..........................................................................................................................16
Table 6. EAPD Behavior ................................................................................................................................18
Table 7. Valid Digital Mic Configurations .......................................................................................................19
Table 8. DMIC_CLK and DMIC_0,1 Operation During Power States ............................................................19
Table 9. GPIO Pin mapping and shared functions .........................................................................................23
Table 10. Electrical Specification: Maximum Ratings ...................................................................................26
Table 11. Recommended Operating Conditions ............................................................................................26
Table 12. 92HD75B 5V, 4.75V, and 3.3V Analog Performance Characteristics ...........................................27
Table 13. High Definition Audio Widget .........................................................................................................38
Table 14. Pin Configuration Default Settings .................................................................................................39
Table 15. Command Format for Verb with 4-bit Identifier .............................................................................40
Table 16. Command Format for Verb with 12-bit Identifier ...........................................................................40
Table 17. Solicited Response Format ...........................................................................................................40
Table 18. Unsolicited Response Format .......................................................................................................40
Table 19. Pin descriptions ............................................................................................................................209
Table 20. Standard Reflow Profile ...............................................................................................................213
Table 21. Pb-Free Process Reflow ..............................................................................................................214
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92HD75B
PC AUDIO
V 1.0 01-09