參數(shù)資料
型號(hào)： L8551
廠商： Lineage Power
英文描述： Low-Power SLIC(低功耗用戶線接口（SLIC）)
中文描述： 低功耗用戶接口（低功耗用戶線接口電路（SLIC））
文件頁(yè)數(shù)： 18/32頁(yè)
文件大?。?/td> 526K
代理商： L8551
18
Lucent Technologies Inc.
Data Sheet
March 1997
L8551 Low-Power SLIC
Applications
(continued)
Characteristic Curves
(continued)
Note: V
BAT
= –48 V.
12-3015 (C)
Figure 18. Loop Closure Program Resistor
Selection
Note: Tip lead is open; V
BAT
= –48 V.
12-3016a (C)
Figure 19. Ring Ground Detection Programming
Note: V
BAT
= –48 V; I
LIM
= 22 mA; R
DC1
= 115
.
12-3050 (C)
Figure 20. Loop Current vs. Loop Voltage
Note: V
BAT
= –48 V; I
LIM
= 22 mA; R
DC1
= 115
.
12-3051 (C)
Figure 21. Loop Current vs. Loop Resistance
0
5
20
25
0
10
20
30
60
LOOP CLOSURE THRESHOLD RESISTOR, R
LCTH
(k
)
50
15
10
40
O
(
RING GROUND CURRENT
DETECTION RESISTOR, R
ICM
(k
)
35
30
25
20
15
10
5
0
0
50
100
150
200
250
T
(
L
0
10
20
50
0
20
30
40
50
LOOP VOLTAGE (V)
30
40
10
1
10 k
I
LIM
–1
R
DC1
LOOP RESISTANCE, R
LOOP
(
)
0
500
1000
2000
0
20
30
40
50
1500
10
L
相關(guān)PDF資料
PDF描述
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L8560 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Power SLIC with Ringing
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