IDTSTAC9751XXTAEC1XR IDT, Integrated Device Technology Inc, IDTSTAC9751XXTAEC1XR Datasheet - Page 64

• Manufacturer Part Number: IDTSTAC9751XXTAEC1XR
• Description: IC CODEC AC'97 2CH VALUE 48-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9751XXTAEC1XR

• 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: STAC9751XXTAEC1XR

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