IDTSTAC9766XXTAEC1X IDT, Integrated Device Technology Inc, IDTSTAC9766XXTAEC1X Datasheet - Page 19

• Manufacturer Part Number: IDTSTAC9766XXTAEC1X
• Description: IC CODEC AC'97 2CH 2.3 48-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9766XXTAEC1X

• Data Interface: Serial
• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 95
• 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: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9766XXTAEC1X

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
*OPTIONAL
1 µF*
820 pF
820 pF
3.3V or 5V ± 5%
0.1 µF
0.1 µF
12
13
14
15
16
17
18
19
20
21
22
23
24
32
29
30
PC_BEEP
PHONE
AUX_L
AUX_R
VIDEO_L
VIDEO_R
CD_L
CD_GND
CD_R
MIC1
MIC2
LINE_IN_L
LINE_IN_R
CAP2
AFILT1
AFILT2
1 µF
Figure 10. Split Independent Power Supply Operation
25
AVdd1
26
AVss1
STAC9767 (3.3V Analog)
AVdd2
STAC9766 (5V Analog)
AVss2
38
0.1 µF
42
DVss1
4
0.1 µF
or
DVss2
7
19
1
DVdd1
*Suggested
DVdd2
10 µF
9
LINE_OUT_R
SDATA_OUT
LINE_OUT_L
MONO_OUT
HP_OUT_R
HP_OUT_L
HP_COMM
SDATA_IN
VREFOUT
XTL_OUT
BIT_CLK
RESET#
XTL_IN
GPIO1
GPIO0
SPDIF
SYNC
EAPD
VREF
CID0
CID1
plane as close to codec
0.1 µF
NC
NC
NC
Ground
Analog
*Terminate ground
as possible
40
5
6
8
10
11
45
46
47
28
27
31
33
34
48
44
43
35
36
37
39
41
3.3V ± 5%
STAC9766/9767
0
Ground
Digital
OPTIONAL
HP_COMM should be tied to
ground at the headphone pin.
TUNE TO LAYOUT
22
1 µF
24.576 MHz
(Near Clk source)
27 pF
27 pF
27 pF
Filter
EMI
CLOCK_IN*
*Add resistive divider
when using 5V clock.
PC AUDIO
V 7.4 12/06