IDTSTAC9750XXTAEC1XR IDT, Integrated Device Technology Inc, IDTSTAC9750XXTAEC1XR Datasheet - Page 17

• Manufacturer Part Number: IDTSTAC9750XXTAEC1XR
• Description: IC CODEC AC'97 2CH VALUE 48-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9750XXTAEC1XR

• 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: STAC9750XXTAEC1XR

IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
2.2.4.
2.2.5.
Setup to falling edge of BIT_CLK
Hold from falling edge of BIT_CLK
Note:
BIT_CLK rise time
BIT_CLK fall time
SDATA_IN rise time
SDATA_IN fall time
S D A T A _ O U T
Data Setup and Hold
(47.5-75 pF external load)
Signal Rise and Fall Times
(75pF external load; from 10% to 90% of Vdd)
S D A T A _ IN
Setup and hold time parameters for SDATA_IN are with respect to the AC'97 controller.
S D A T A _ I N
B IT _ C L K
B I T _ C L K
S Y N C
tc o
Figure 6. Signal Rise and Fall Times Timing
Parameter
Parameter
T r is e d in
T r is e c lk
Figure 5. Data Setup and Hold Timing
Table 7. Signal Rise and Fall Times Specifications
V
ih
Table 6. Data Setup and Hold Specifications
T
V
h o ld
V
17
o h
o l
V
il
T
Symbol
Symbol
Trisedin
Triseclk
Tfalldin
Tfallclk
Tsetup
Thold
s e tu p
STAC9750/9751
T f a lld in
T f a llc lk
Min
Min
10
10
-
-
-
-
Typ
Typ
-
-
-
-
-
-
Max
Max
6
6
6
6
-
-
PC AUDIO
V 5.8 103106
Units
Units
ns
ns
ns
ns
ns
ns