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參數(shù)資料
| 型號(hào)： | STLC7550TQFP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LOW POWER LOW VOLTAGE ANALOG FRONT END |
| 中文描述： | 低電壓低功耗模擬前端 |
| 文件頁(yè)數(shù)： | 14/17頁(yè) |
| 文件大小： | 174K |
| 代理商： | STLC7550TQFP |
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TYPICAL APPLICATION
Line Interface - Differential Duplexor
Figure 10
22k
W
22k
W
100pF
VCM
22k
W
22k
W
100pF
680pF
13.2k
W
13.2k
W
OUT-
OUT+
C'
1.2k
W
1.2k
W
2.2nF
VCM
2.2nF
C
2R
Z0/2
C
2R
Z0/2
R
R
Phone
Line
C : Improve the low frequency response.
Its value depends on the transformer inductance.
C' : Reduces the DC offset gain.
Z0 : Nominal line impedance
IN+
IN-
R'
r
R'
7
All capacitor, resistor and impedance values are provided for indication only. These values must be
readjusted according to line transformer characteristics and also telecommunication regulations in force in
individual countries.
Refer to Application Note AN930 for more detailed information. Contact your local representative.
STLC7550
14/17
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