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參數(shù)資料
| 型號： | AD1801 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Single-Chip Fax/Data/ Voice Modem(單片的傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器) |
| 中文描述： | 單芯片傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器（單片的傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器） |
| 文件頁數(shù)： | 4/52頁 |
| 文件大?。?/td> | 348K |
| 代理商： | AD1801 |
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AD1801
–4–
REV. 0
HANDSET SPEAKER/LINE OUTPUT PATH
Min
Typ
Max
Units
Digital-to-Analog Converter
Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale, A-Weighted)
THD+N (–1.0 dB Referenced to Full Scale)
78
86
dB
%
dB
dB
dB
dB
0.03
–70
–80
–80
–60
–83
–90
–100
Signal-to-Intermodulation Distortion [CCIF Method]
DAC Crosstalk (Handset Speaker/Line Output to DAA XMIT Output)
Total Out-of-Band Energy (Measured from 0.6
×
F
S
to 100 kHz)
Audible Out-of-Band Energy
(Measured from 0.6
×
F
S
to 22 kHz, Tested at F
S
= 8.0 kHz)
Handset Speaker Common-Mode DC Offset (Relative to Voltage Reference
[CMOUT] Output)
Line Output Common-Mode DC Offset (Relative to Voltage Reference
[CMOUT] Output)
Differential DC Offset
Programmable Amplifier/Attenuator
Step Size (+12.0 dB to –34.5 dB) (All Steps Tested)
Output Attenuation Span
Mute Attenuation
Full-Scale Output Voltage
(RMS Values Assume Sine Wave Output)
Handset Speaker Differential Output
–80
dB
20
mV
40
10
mV
mV
50
1.0
43.5
1.5
46.5
–100
2.0
49.5
dB
dB
dB
1.414
4.0
0.707
2.0
V rms
V p-p
V rms
V p-p
k
k
pF
pF
pF
pF
3.1
4.8
Line Out Single-Ended Output (10 k
Load)
1.56
2.44
<2
600
Output Source Impedance—Handset Speaker
Output Source Impedance—Line Out
External Load Impedance—Handset Speaker
External Load Impedance—Line Out
Pin Capacitance—Handset Speaker
Pin Capacitance—Line Out
Load Capacitance—Handset Speaker
Load Capacitance—Line Out
400
1.2
1
10
15
15
100
100
MONITOR SPEAKER PATH
Min
Typ
Max
Units
Digital-to-Analog Converter
THD+N (Referenced to Full Scale)
0.316
–50
50
1.0
–40
%
dB
dB
Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale, A-Weighted)
Programmable Attenuator
Step Size (0 dB, –6 dB, –12 dB) (All Steps Tested)
Output Attenuation Span
Mute Attenuation
Full-Scale Output Voltage
(RMS Values Assume Sine Wave Output) Monitor Speaker Output
–6.513
–12.513
–6
–12
–80
–5.487
–11.487
dB
dB
dB
0.707
2.0
V rms
V p-p
pF
pF
1.7
2.3
<1
Output Source Impedance–Monitor Speaker
External Load Impedance—Monitor Speaker
Pin Capacitance—Monitor Speaker
Load Capacitance—Monitor Speaker
8
15
100
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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