STAC9750XXTAEC1X IDT, Integrated Device Technology Inc, STAC9750XXTAEC1X Datasheet - Page 64

• Manufacturer Part Number: STAC9750XXTAEC1X
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of STAC9750XXTAEC1X

• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.465/5.25V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
10.3. Filter/References/GPIO
10.4. Power and Ground Signals
These signals are connected to resistors, capacitors, specific voltages, or provide General Purpose
I/O.
Signal Name
VREFOUT
Pin Name
AFILT1
AFILT2
DVdd1
DVdd2
AVdd1
AVdd2
DVss1
DVss2
AVss1
AVss2
VREF
CAP2
Pin Number Type
Pin #
25
38
26
42
27
28
29
30
32
1
9
4
7
Type
Table 45. Filtering and Voltage References
O
O
O
O
O
I
I
I
I
I
I
I
I
Table 46. Power and Ground Signals
Analog Vdd = 5.0 V or 3.3 V
Analog Vdd = 5.0 V or 3.3 V (headphone power source)
Analog Gnd
Analog Gnd
Digital Vdd = 3.3 V
Digital Vdd = 3.3 V
Digital Gnd
Digital Gnd
Anti-Aliasing Filter Cap - ADC left channel
Anti-Aliasing Filter Cap - ADC right channel
ADC reference Cap
Analog ground (0.45 * Vdd, at 5 V; 0.41 * Vdd at 3 V)
Reference Voltage out 5 mA drive (intended for MIC bias) (~Vdd/2)
64
Description
Description
STAC9750/9751
PC AUDIO
V 5.8 103106