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參數(shù)資料
| 型號(hào)： | DS4201 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | USB Audio DAC(USB音頻數(shù)模轉(zhuǎn)換器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | 0.600 INCH, DIP-28 |
| 文件頁數(shù)： | 11/22頁 |
| 文件大小： | 178K |
| 代理商： | DS4201 |
DS4201
060898 11/22
ANALOG PERFORMANCE CHARACTERISTICS
Cont’d
CONDITIONS:
t
A
:
25
°
C, VD: 3.0V–5.5V, VA: 3.0V–5.5V, VB: 3.0V–3.6V
MIN
TYP
MAX
PARAMETER
UNITS
NOTES
ANALOG INPUT
Full Scale Input Voltage
3V operation
1.27
1.41
1.55
V
PP
6
5V operation
2.55
2.83
3.11
V
PP
6
Input Resistance
4.3
89.7
212.6
K
7
ANALOG OUTPUT
Full Scale Output Voltage
double control=FALSE
1.27
1.41
1.55
V
PP
5, 6
double control=TRUE
2.55
2.83
3.11
V
PP
5, 6
External Load Impedance
10
K
8
Common Mode Reference Output (VCM)
0.36xVA
0.4 x VA
0.44xVA
V
5, 6
VCM current drain (ICM)
50
μ
A
4
MIXER PROGRAMMABILITY
Programmable Mix Levels
DAC Inputs
–96.0
0
dB
MIC Inputs
–32.0
30.0
dB
AUX Inputs
–32.0
30.0
dB
Programmable Mix Level Step Size
DAC Inputs
2.0
dB
MIC Inputs
2.0
dB
AUX Inputs
2.0
dB
NOTES:
1. See APPENDIX D for parameter definition and measurement technique.
2. Values are guaranteed by characterization and sample testing but are not 100% production tested.
3. Frequency value obtained by multiplying by the DAC sampling rate.
4. DC current only. If dynamic loading exists, the voltage reference output must be buffered to prevent DAC
performance degradation.
5. The USB audio extension unit control selector OUTPUT_DOUBLE is used to control the full scale DAC chan-
nel output level as specified. For 3V operation, the property must be set to FALSE. DAC signal range satura-
tion will occur if operating at 3V with a property setting of TRUE. For 5V operation the property can be set to
TRUE or FALSE. This property has no effect on the full–scale output level of the AUX and MIC analog signal
channels before the output mixer.
6. Voltages referenced to ground.
7. Input impedance is a function of the mixer attenuation setting for the analog input channel. The min value is
at the +30 dB setting, the nominal value is at the 0 dB setting, and the max value is at the –32 dB setting.
8. The minimum load impedance the LOUT and ROUT output amplifiers are designed to drive.
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