IDTSTAC9751XXTAEC1XR IDT, Integrated Device Technology Inc, IDTSTAC9751XXTAEC1XR Datasheet - Page 15

• 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
2.2.
2.2.1.
2.2.2.
AC Timing Characteristics
RESET# active low pulse width
RESET# inactive to BIT_CLK startup delay
SYNC active high pulse width
SYNC inactive to BIT_CLK startup delay
SDATA_IN
BIT_CLK
BIT_CLK
RESET#
SYNC
(T
load)
Cold Reset
Warm Reset
ambient
Note: BIT_CLK and SDATAIN are in a high impedance state during reset.
= 25 °C, AVdd = 3.3 V or 5 V ± 5%, DVdd = 3.3 V ± 5%, AVss = DVss = 0 V; 50 pF external
Parameter
Parameter
Figure 3. Warm Reset Timing
Figure 2. Cold Reset Timing
Table 3. Warm Reset Specifications
Table 2. Cold Reset Specifications
Tres_low
Tsync_high
15
Trst2clk
Tsync_high
Tsync2clk
Tres_low
Symbol
Symbol
Trst2clk
Tsync_2clk
STAC9750/9751
162.8
162.8
Min
Min
1.0
1.0
Typ
Typ
1.3
-
-
-
Max
Max
-
-
-
-
PC AUDIO
V 5.8 103106
Units
Units
µs
µs
ns
ns