IDTSTAC9753AXNAED1XR IDT, Integrated Device Technology Inc, IDTSTAC9753AXNAED1XR Datasheet - Page 4

• Manufacturer Part Number: IDTSTAC9753AXNAED1XR
• Description: IC CODEC AC'97 MIC/JACK 32-QFN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9753AXNAED1XR

• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 92
• Voltage - Supply, Analog: 3.14 V ~ 3.47 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: 32-QFN
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.465/5.25V
• Package Type: VFQFPN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9753AXNAED1XR

LIST OF FIGURES
IDT™
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
Figure 1. STAC9752A/9753A Block Diagram ................................................................................................. 8
Figure 2. Cold Reset Timing .......................................................................................................................... 16
Figure 3. Warm Reset Timing ........................................................................................................................16
Figure 4. Clocks Timing ................................................................................................................................. 17
Figure 5. Data Setup and Hold Timing ........................................................................................................ 18
Figure 6. Signal Rise and Fall Times Timing ............................................................................................... 19
Figure 7. AC-Link Low Power Mode Timing .................................................................................................. 19
Figure 8. ATE Test Mode Timing ................................................................................................................... 20
Figure 9. STAC9752A/9753A Typical Connection Diagram 48-pin LQFP .................................................... 21
Figure 10. STAC9752A/9753A Typical Connection Diagram 32-pad QFN ................................................. 22
Figure 11. Split Connection Diagram 32-pad QFN ....................................................................................... 24
Figure 12. AC-Link to its Companion Controller ........................................................................................... 25
Figure 13. STAC9752A/9753A Powerdown Timing ...................................................................................... 29
Figure 14. Bi-directional AC-Link Frame with Slot assignments ................................................................... 31
Figure 15. AC-Link Audio Output Frame ...................................................................................................... 35
Figure 16. Start of an Audio Output Frame ................................................................................................... 35
Figure 17. STAC9752A/9753A Audio Input Frame ....................................................................................... 38
Figure 18. Start of an Audio Input Frame ..................................................................................................... 39
Figure 19. Bi-directional AC-Link Frame with Slot assignments ....................................................................43
Figure 20. AC-Link Input Slots Dedicated To CODEC .................................................................................. 44
Figure 21. STAC9752A/9753A 2-Channel Mixer Functional Diagram .......................................................... 47
Figure 22. Example of STAC9752A/9753A Powerdown/Powerup Flow ....................................................... 85
Figure 23. Powerdown/Powerup Flow With Analog Still Alive ..................................................................... 86
Figure 24. Pin Description Drawing .............................................................................................................. 90
Figure 25. STAC9752A/9753A 32 pad QFN Pin Description Drawing ......................................................... 92
Figure 26. Package Drawing - 48-pin LQFP .................................................................................................. 98
Figure 27. Package Drawing - 32-pad QFN .................................................................................................. 99
Figure 28. Recommended PCB Layout for 32-pad QFN Package .............................................................. 100
Figure 29. Reflow Profile ............................................................................................................................ 101
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STAC9752A/9753A
PC AUDIO
V 1.5 1206