參數(shù)資料
型號(hào)： LUCL8574DP-DT
英文描述： L8574D Resistive Subscriber Line Interface Circuit(SLIC), Ring Relay,and Protector(SRP)for Long Loop and TR-57 Applications
中文描述： L8574D電阻用戶線接口電路（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)： 11/36頁(yè)
文件大?。?/td> 489K
代理商： LUCL8574DP-DT
Lucent Technologies Inc.
11
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)
Fault Protection
(continued)
Loss of Power Supplies
(continued)
Table 7. Analog Signal Pins
1.Connected per Figure 5.
2.A battery or ground short on PT, PR, or XMT shall not cause a device failure.
3.This parameter is not tested in production. It is guaranteed by design and device characterization.
Parameter
Min
Typ
Max
Unit
PT and PR:
Surge Current (See the Protection section.)
Output Drive (PT):
Drive Current
Negative Voltage Swing (I
OUT
+ 10 mA)
Positive Voltage Swing (I
OUT
– 10 mA)
dc Bias Current
Output Drive (PR):
Positive (sink) Drive Current
Negative Voltage Swing (I
OUT
+ 10 mA)
Positive Voltage Swing (I
OUT
– 10 mA)
dc Bias Current (V
BAT2
= V
BAT1
– 48 V)
1
Output Short-circuit Transient Current
2
Output Impedance (60 Hz—3.4 kHz)
3
Output Load Resistance (dc or ac)
3
Output Load Capacitance
3
XMT:
Output Drive Current
Output Voltage Swing (1 mA load):
Maximum
Minimum
Output Short-circuit dc Current
Output Impedance (60 Hz—3.4 kHz)
3
Output Load dc Resistance
3
Output Load ac Resistance
Output Load Capacitance
3
±
15
V
BAT1
+ 4.5
V
CCA
– 3.5
600
—
—
—
—
—
V
BAT1
V
CCA
900
mA
V
V
μ
A
±
15
V
BAT1
+ 4.5
V
CCA
– 3.5
–0.8
—
250
100
—
—
—
—
—
—
—
—
—
—
V
BAT1
V
CCA
–1.4
±
125
—
—
1
mA
V
V
mA
mA
k
nF
±
1
V
BAT1
V
BAT1
+ 5
—
—
50
2
—
—
—
—
—
—
—
—
—
—
V
CCA
2.5
±
20
10
—
—
50
mA
V
V
mA
k
k
pF
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