alc203-lf Realtek Semiconductor Corporation, alc203-lf Datasheet - Page 36

• Manufacturer Part Number: alc203-lf
• Description: Two-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8. Analog Performance Characteristics
cont…
Two-Channel AC’97 2.3 Audio Codec
Full scale input voltage: Line inputs (Mixers)
Full scale output voltage
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 (LINE- / HP-OUT): 64 step
Step Size
Attenuation Control Range
Master Volume (MONO-OUT): 32 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
DC Volume Control: 32 step
Gain Control Range
0 dB DC voltage
Mute DC voltage
Input impedance (gain = 0dB, mixer = off)
LINE-IN, CD-IN, AUX-IN, MIC1 / MIC2
PCBEEP, PHONE
LINE-OUT
HP-OUT
Standard test conditions: T
Parameter
Line inputs (A/D)
Mic input (0 dB)
Mic input (20 dB boost)
CD to LINE-OUT
Other to LINE-OUT
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
D/A
A/D
D/A
A/D
=25
0
C, Dvdd=3.3V ±5%,Avdd=5.0V±5%
Minimum
28,800
19,200
-34.5
-75
32
4.7
10
20
6
0
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typical
0.16
1.25
1.25
100
100
100
-92
-85
-65
1.6
1.0
1.6
1.5
1.5
3.0
1.5
1.5
-40
90
64
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Maximum
22,000
19,200
28,800
+22.5
-94.5
-46.5
+12
ALC203 DataSheet
-45
-43
0.1
30
∞
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Units
Vrms
Vrms
Vrms
KΩ
KΩ
dB
Hz
dB
dB
Hz
Hz
Hz
dB
dB
ms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
V
Rev1.6