參數(shù)資料
型號(hào)： L8574D
英文描述： CAP 15PF 50V 5% C0G SMD-0402 TR-7-PA SN100
中文描述： L8574D電阻用戶(hù)線接口電路（SLIC），環(huán)繼電器和保護(hù)（SRP）的為遠(yuǎn)距離和TR - 57應(yīng)用
文件頁(yè)數(shù)： 15/36頁(yè)
文件大?。?/td> 489K
代理商： L8574D
Lucent Technologies Inc.
15
Data Sheet
October 1998
Relay, and Protector (SRP) for Long Loop and TR-57 Applications
L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring
Electrical Characteristics
(continued)
Switch Characteristics
Table 12. Battery Switch (SW1) and Ring Break Switch (SW2)
1.SW2 must be off if the voltage on pin PR is more positive than V
CCA
.
2.At 25
°
C. Maximum voltage rating has a temperature coefficient of +0.167 V/
°
C.
3.This parameter is not tested in production. It is guaranteed by design and device characterization.
4.Applied voltage is 100 Vpp square wave at 100 Hz to measure dV/dt sensitivity.
Table 13. Ringing Access Switch (SW3)
1.This parameter is not tested in production. It is guaranteed by design and device characterization.
2.Applied voltage is 100 Vpp square wave at 100 Hz to measure dV/dt sensitivity.
Parameter
Min
Typ
Max
Unit
Off-state
1
:
Maximum Differential Voltage
dc Leakage Current (V
SW
±
320 V)
Feedthrough Capacitance
3
On-state (See Figures 3 and 4.):
Resistance (R
ON
)
Maximum Differential Voltage (V
max
)
Current Limit (I
LIMIT
)
dV/dt Sensitivity
3, 4
—
—
—
—
—
—
±
320
2
±
50
50
V
μ
A
pF
—
—
20
—
50
—
35
200
100
320
2
60
—
V
mA
V/
μ
s
Parameter
Min
Typ
Max
Unit
Off-state:
Maximum Differential Voltage
dc Leakage Current (V
SW
=
±
500 V)
dc Leakage Current (V
SW
=
±
250 V)
Feedthrough Capacitance
1
On-state (See Figures 3 and 4.):
Crossover Offset Voltage (V
OS
; I
SW
=
±
1 mA)
Resistance (R
ON
)
Surge Current (10
μ
s x 1000
μ
s pulse)
1
Release Current
1
dV/dt Sensitivity
1, 2
—
—
—
—
—
—
—
—
±
500
±
20
±
1
10
V
μ
A
μ
A
pF
—
—
—
0.1
—
—
—
—
—
500
3
10
2.0
3
—
V
A
mA
V/
μ
s
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