IDTSTAC9751XXTAEC1X IDT, Integrated Device Technology Inc, IDTSTAC9751XXTAEC1X Datasheet - Page 62
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IDTSTAC9751XXTAEC1X
Manufacturer Part Number
IDTSTAC9751XXTAEC1X
Description
IC CODEC AC'97 2CH VALUE 48-LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec '97r
Datasheet
1.IDTSTAC9750XXTAEC1XR.pdf
(73 pages)
Specifications of IDTSTAC9751XXTAEC1X
Resolution (bits)
18 b, 20 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
85 / 89
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-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
STAC9751XXTAEC1X
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDTSTAC9751XXTAEC1X
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Company:
Part Number:
IDTSTAC9751XXTAEC1XR
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
10.1. Digital I/O
These signals connect the STAC9750/9751 to its AC'97 controller counterpart, an external crystal,
multi-CODEC selection and external audio amplifier.
SDATA_OUT
SDATA__IN
Pin Name
XTL_OUT
BIT_CLK
RESET#
XTL_IN
GPIO0
GPIO1
SPDIF
SYNC
EAPD
CID0
CID1
NC
NC
NC
Pin # Type
31
33
34
43
44
45
46
47
48
10
11
2
3
5
6
8
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
I
I
I
I
24.576 MHz Crystal or External Clock Source
24.576 MHz Crystal or ground if external clock source connected to XTAL_IN
Serial, time division multiplexed, AC'97 input stream
12.288 MHz serial data clock
Serial, time division multiplexed, AC'97 output stream
48 KHz fixed rate sample sync
AC'97 Master H/W Reset
No Connect
No Connect
No Connect
General Purpose I/O
General Purpose I/O
Multi-CODEC ID select - bit 0
Multi-CODEC ID select - bit 1
External Amplifier Power Down
SPDIF digital output
Pin 48: - To Enable SPDIF, use an 1 KΩ-10 KΩ external pulldown.
To Disable SPDIF, use an 1 KΩ-10 KΩ external pullup.
Do NOT leave Pin 48 floating.
Table 43. Digital Connection Signals
62
Description
STAC9750/9751
PC AUDIO
V 5.8 103106