STAC9752A Datasheet, PDF (24/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
3.4. Split Independent Power Supply Operation for the 32-pad QFP Package
Figure 11. Split Connection Diagram 32-pad QFN
3.3V or 5V ± 5%
3.3V ± 5%
10 µF
0.1 µF
10 µF 0.1 µF
EMI
Filter
22 Ω
27 pF
TUNE TO LAYOUT
LINK PINS
1 µF*
*OPTIONAL
820 pF
FILTER PINS
820 pF
STANDARD
ANALOG I/O
1
XTL_IN
2
SDATA_OUT
3
BIT_CLK
5
SDATA_IN
7
SYNC
8
RESET#
22 _CAP2
0.1 µF
20
AFILT1
21
AFILT2
26
AVdd2
STAC9752A
(5V Analog)
or
STAC9753A
(3.3V Analog)
in 32-pad QFN
9 _PHONE
10
CD_L
11 _{CD_GND}
12 _{CD_R}
25 _{MONO_OUT}
AVss1
17
AVss2 DVss1
29 4
DVss2
7
9
DVdd2
GPIO ³⁰
EAPD/GPI0 ³¹
SPDIF_OUT ³²
19
VREFOUT
18
VREF
SPDIF and
GPIO PINS
1 µF
VREF PINS
13
MIC1
14
MIC2
15
LINE_IN_L
16
LINE_IN_R
23
LINE_OUT_L
24
LINE_OUT_R
HP_OUT_L ²⁷
28
HP_OUT_R
UNIVERSAL
JACKS^TM
PINS
*Terminate ground
plane as close to codec
as possible
Analog
Ground
Digital
Ground
IDT™
24
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206