alc850 Realtek Semiconductor Corporation, alc850 Datasheet - Page 48

• Manufacturer Part Number: alc850
• Description: Eight Channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.
Eight Channel AC’97 2.3 Audio Codec
Standard Test Conditions
Parameter
Full Scale Input Voltage:
Line Inputs (Mixers)
Line Inputs (A/D)
Mic Input (0dB)
Mic Input (20dB boost)
Full Scale Voltage:
DACs
ADC
Analog to Analog S/N:
CD to LINE-OUT
Other to LINE-OUT
Analog Frequency Response
S/N (A-Weighted):
D/A
A/D
Total Harmonic Distortion:
D/A
A/D
D/A & A/D Frequency Response
Transition Band
Stop Band
Stop Band Rejection
Out-of-Band Rejection (28.8kHz~100kHz)
Power Supply Rejection Ratio
MIC Boost Gain
Master Volume. 32 step:
Step Size
Attenuation Control Range
PC Beep Volume. 16 step:
Step Size
Attenuation Control Range
Analog Mixer Volume. 32 step:
Step Size
Gain Control Range
Analog Performance Characteristics
Table 60. Analog Performance Characteristics
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
o
C, DVDD= 3.3V±5%, AVDD=5.0V±5%
40
Minimum
19,200
28,800
-34.5
10
16
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typical
0.16
1.10
1.10
-70
-86
-70
-60
1.6
1.0
1.6
1.5
3.0
1.5
-40
95
95
86
92
20
-
-
-
-
-
-
-
Track ID: JATR-1076-21 Rev. 1.4
Maximum
22,000
19,200
28,800
-46.5
+12
-45
∞
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Datasheet
ALC850
Units
Vrms
Vrms
Vrms
dB
Hz
dB
dB
Hz
Hz
dB
dB
dB
dB
dB
dB
dB
Hz
dB
dB
dB