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參數資料
型號: L9312
英文描述: Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications
中文描述: 線路接口和線路接入電路轉發電池SLIC和振鈴繼電器的訓練班- 57應用
文件頁數: 20/40頁
文件大小: 709K
代理商: L9312
Data Sheet
July 2001
Forward Battery SLIC and Ringing Relay for TR-57 Applications
L9312 Line Interface and Line Access Circuit
20
Agere Systems Inc.
Electrical Characteristics
(continued)
Switch Characteristics
(continued)
Table 13. Ringing Access Switch (SW4)
1. Choice of secondary protector and feed resistor should ensure these ratings are not exceeded. A minimum 400
feed resistor is recom-
mended.
2. This parameter is not tested in production. It is guaranteed by design and device characterization.
3. Applied voltage is 100 Vp-p square wave at 100 Hz to measure dV/dT sensitivity.
On-State Switch I-V Characteristics
Parameter
Min
Typ
Max
Unit
Off State:
Maximum Differential Voltage
dc Leakage Current (Vsw =
±
475 V) (pole to pole)
Isolation
On State (see On-State Switch I-V Characteristics section):
Resistance
Voltage
Steady-state Current
1
Surge Current (10 x 700
μ
s pulse)
2
Release Current
dV/dT Sensitivity
2, 3
±
475
±
20
±320
V
μA
V
500
200
15
3
150
2
V
mA
A
μ
A
V/μs
5-5990.c(F)
A. Line Break Switch SW1, SW2
12-3291.a(F)
B. Ring Return SW3
12-3292.a(F)
C. Ring Access SW4
Figure 4. On-State Switch I-V Characteristics
I
LIM1
I
SW
+1.5
2/3 R
ON
R
ON
–1.5
–I
LIM1
+V
MAX
V
SW
I
LIM2
–I
LIM2
+V
2
+V
1
–V
MAX
–V
2
–V
1
–V
MAX
–I
LIMIT
+I
LIMIT
+V
MAX
V
SW
+1.5 V
–1.5 V
R
ON
2/3 R
ON
LIMITING
I
SW
2/3 R
ON
LIMITING
–V
OS
+V
OS
V
SW
R
ON
I
SW
R
ON
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