alc658 Realtek Semiconductor Corporation, alc658 Datasheet - Page 37

• Manufacturer Part Number: alc658
• Description: Six-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

7.1.2.
7.1.3.
Dvdd= 3.3V, T
7.2. AC Timing Characteristics
7.2.1.
Six-Channel AC’97 2.3 Audio Codec
Filter
Parameter
Parameter
ADC Lowpass
Filter
DAC Lowpass
Filter
High level output voltage
Low level output voltage
RESET# active low pulse
width
RESET# inactive to BIT_CLK
Startup delay
Digital Filter Characteristics
S/PDIF Output Characteristics
Cold Reset
ambient
=25
0
Symbol
Passband
Stopband
Stopband Rejection
Passband
Frequency Response
Passband
Stopband
Stopband Rejection
Passband
Frequency Response
C, with 75Ω external load.
BITCLK
RESET#
Symbol
Table 53. S/PDIF output Characteristics
Symbol
T
Figure 4. Cold Reset Timing Diagram
T
Table 52. Digital Filter Characteristics
V
V
rst_low
rst2clk
OH
OL
Table 54. Cold Reset
Minimum
Minimum
Minimum
28.8
28.8
Trst_low
162.8
0
0
3.0
1.0
-
33
Trst2clk
Typical
+- 0.20
+- 0.20
-76.0
-78.5
Typical
Typical
-
-
3.3
0
-
-
Maximum
Maximum
Maximum
19.2
19.2
0.5
-
-
Datasheet
ALC658
Units
KHz
KHz
KHz
KHz
Units
Units
dB
dB
dB
dB
µs
ns
V
V
Rev. 1.3