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參數資料
| 型號： | LH1465AB |
| 英文描述： | LH1465AB/AAE ISDN dc Termination IC Data Sheet Advisory |
| 中文描述： | LH1465AB/AAE綜合業(yè)務數字網直流終止集成電路數據咨詢 |
| 文件頁數： | 6/14頁 |
| 文件大?。?/td> | 375K |
| 代理商： | LH1465AB |
4
Lucent Technologies Inc.
Data Sheet
February 1998
LH1465AB/AAE ISDN dc Termination IC
Electrical Characteristics
T
A
= 25
°
C (continued)
Table 3. Transition Specifications, Normal Operation
(See Figure 6.)
Testing Characteristics
Table 4. Abnormal Conditions Class 1 (Survivable; No Device Damage)
Assume carbon block primary protectors at demarcation point. Assume crowbar protection across the LH1465
device with peak voltages limited to 250 V.
* Voltages are applied from the first lead of the pair to ground with the second lead of the pair grounded, from the
second lead of the pair to ground with the first lead grounded, and from the pair connected together to ground.
Table 5. Abnormal Conditions Class 2 (Fail Safe; No Fire)
Assume carbon block primary protectors at demarcation point. Assume crowbar protection across the LH1465
device with peak voltages limited to 250 V.
Parameter
Activate Time
Release Time
Symbol
t1
t2
Test Condition
See Figure 6.
See Figure 7.
Min
3.0
3.0
Typ
22
10
Max
50
100
Unit
ms
ms
Test Name
Parameter
Value
Obsolete Sealing Current
Voltage
Duty Cycle
72 V
Continuous
MLT Testing
Voltage
Source Impedance
Duration
Duty Cycle
190 V
200
<1 s
25%
Inadvertent Ringing
ac Voltage
dc Voltage
Source Impedance
Duty Cycle
150 Vrms
52 V
200
33% over 6 s
Lightning:*
L1 Normal
Peak Voltage
Rise Time vs. Fall Time
Peak Current
Repetitions (each polarity)
600 V
10 x 1000
200 A
μ
s
4
L2 Normal
Peak Voltage
Rise Time vs. Fall Time
Peak Current
Repetitions (each polarity)
1000 V
10 x 560
μ
s
200 A
2
L3 Normal
Peak Voltage
Rise Time vs. Fall Time
Peak Current
Repetitions (each polarity)
1000 V
10 x 160
μ
s
200 A
2
Test Name
ac Power Cross:
Case 1
Parameter
Value
Voltage
Source Impedance
Duration
Voltage
Source Current Limit
Duration
Voltage
Source Current Limit
Duration
300 Vrms—600 Vrms
≤
3
5 s
0 Vrms—600 Vrms
0 A—2 A
30 minutes
300 Vrms—600 Vrms
2 A—6 A
5 s
Case 2
Case 3
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