參數(shù)資料
型號(hào): DS21Q50N
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁(yè)數(shù): 70/99頁(yè)
文件大?。?/td> 325K
代理商: DS21Q50N
DS21Q50
Page 70 of 99
Figure 19-2
EXTERNAL ANALOG CONNECTIONS (PROTECTED
INTERFACE)
Notes:
2. All resistor values are +/- 1%.
3. C1 = C2 = 0.1uF.
4. S is a 6V transient suppresser.
5. D1 to D8 are Schottky diodes.
6. The fuses are optional to prevent AC power line crosses from compromising the transformers.
7. The 68
μ
F is used to keep the local power plane potential within tolerance during a surge.
RTIP1
RRING1
TTIP1
TRING1
Receive
Line
1/4 DS21Q50
0.47uF
(non-
polarized)
DVDD
DVSS
0.1uF
RVDD
RVSS
0.1uF
+VDD
0.01uF
2.048MHz
MCLK
S
1:1
0.1uF
Fuse
Fuse
60
60
+VDD
C2
D5
D6
D7
D8
68uF
S
Transmit
Line
Fuse
Fuse
0.1uF
+VDD
C1
D1
D2
D3
D4
TVDD
TVSS
2:1
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