alc658 Realtek Semiconductor Corporation, alc658 Datasheet - Page 43

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

8.
Standard test conditions:
Six-Channel AC’97 2.3 Audio Codec
Parameter
Full scale input voltage: Line inputs (Mixers)
Full scale output voltage
FRONT-OUT/SURROUND-OUT
CEN/LFE-OUT
Analog to Analog S/N:
Analog frequency response
S/N (A-weighted):
Total Harmonic Distortion:
D/A & A/D frequency response
Transition Band
Stop Band
Stop Band Rejection
Out-of-Band Rejection
Group delay
Power Supply Rejection
MIC Boost Gain
Master Volume (FRONT/SURR/CEN/LFE): 64 step
Step Size
Attenuation Control Range
PC Beep Volume 16 steps:
Step Size
Attenuation Control Range
Analog Mixer Volume 32 steps:
Step Size
Gain Control Range
Record Gain 16 steps:
Step Size
Gain Control Range
Input impedance (gain = 0dB, mixer = off)
LINE-IN, CD-IN, AUX-IN, MIC1 / MIC2
PCBEEP, PHONE
Output Impedance
FRONT-OUT /AUX with amplifier output
FRONT-OUT/ SURROUND-OUT/CEN/LFE-OUT
Line inputs (A/D)
Mic input (0 dB)
Mic input (20 dB boost)
Analog Performance Characteristics
CD to LINE-OUT
Other to LINE-OUT
T
1KHz input sine wave; Sampling frequency=48KHz; 0dB=1Vrms
10KΩ/50pF load; Test bench Characterization BW: 10Hz~22KHz
0dB attenuation; tone and 3D disabled
ambient
=25
D/A
A/D
Table 63. Analog Performance Characteristics
A/D
D/A
0
C, Dvdd=3.3V ±5%, Avdd=5.0V±5%
39
Minimum
19,200
28,800
-34.5
-75
20
10
6
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typical
0.16
1.25
1.25
100
100
200
-90
-85
-65
1.6
1.0
1.6
1.5
3.0
1.5
1.5
96
92
-65
64
16
2
-
-
-
-
-
-
-
-
-
-
Maximum
22,000
19,200
28,800
+22.5
-94.5
1000
+12
-45
30
∞
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Datasheet
ALC658
Units
Vrms
Vrms
Vrms
Rev. 1.3
KΩ
KΩ
dB
Hz
dB
dB
Hz
Hz
Hz
dB
dB
ms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Ω
Ω