参数资料
型号: DSRT-L030-011
厂商: CONEXANT SYSTEMS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, XMA
文件页数: 28/86页
文件大小: 667K
代理商: DSRT-L030-011
RipTide PCI Audio/Comm Device Family Product Description
34
ROCKWELL PROPRIETARY INFORMATION
1167
5.4.4
AC Performance Characteristics
Table 10. Analog Performance Characteristics
Parameter
Min
Typical
Max
Units
Full Scale Input Voltage
LINE_IN
-
1.0
-
Vrms
MIC (+20 dB Boost on)
-
0.1
-
Vrms
MIC (+20 dB Boost off)
-
1.0
-
Vrms
Full Scale Output Voltage
LINE_OUT
-
1.0
-
Vrms
HP_OUT
-
1.41
Vrms
Analog S/N
CD to LINE_OUT, HP_OUT, or MONO_OUT
90
-
95
dB
MIC (+20 dB Boost on) to LINE_OUT, HP_OUT, or MONO_OUT
-
83
90
dB
Other to LINE_OUT, HP_OUT, or MONO_OUT
90
-
95
dB
Analog Frequency Response (±1 dB limits)
20
-
20,000
Hz
Digital S/N
1
D/A
85
90
92
dB
A/D
75
80
85
dB
Total Harmonic Distortion:
LINE_OUT (0 dB gain, 20 kHz BW, 48 kHz Sample Frequency)
-
0.02
%
HP_OUT (0 dB gain, 20 kHz BW, 48 kHz Sample Frequency)
-
1.0
%
D/A and A/D Frequency Response (±0.25 dB limits max; ±0.10 dB typ)
20
-
20,000
Hz
Transition Band
19,200
-
28,800
Hz
Stop Band
28,800
-
Hz
Stop Band Rejection
2
-74
-
dB
Out-of-Band Rejection
3
--40
-
dB
Group Delay
-
1
ms
Power Supply Rejection Ratio (1 kHz)
-
-40
-
dB
Crosstalk between Input channels
-
-85
dB
Crosstalk between headphone channels
-
-85
dB
Crosstalk between line ADC/DAC and any other channel
-
-85
dB
Isolation between audio and modem sections
100
-
dB
Spurious Tone Reduction
-
-100
-
dB
Attenuation, Gain Step Size (except for PC Beep)
-
1.5
-
dB
Interchannel Gain Mismatch (Difference between errors)
-0.5
-
0.5
dB
Absolute Gain Step Error at any given setting
-
0.75
dB
Input Impedance
LINE_OUT
10K
-
ohm
MONO_OUT
10K
-
ohm
HP_OUT
10K
-
ohm
Input Capacitance
-
15
-
pF
Vrefout
-2.5
-
V
DC Offset
Audio ADCs
-
±10
±50
mV
Other ADCs
-
±100
mV
Audio DACs
-
±5
±25
mV
Other DACs
-
±100
mV
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