參數(shù)資料
型號(hào)： L7597
廠商： Lineage Power
英文描述： Resistive Subscriber Line Interface Circuit (SLIC), Ring Relay, and Protector (SRP) for Short Loop and TA-909 Applications(用于短環(huán)路和TA-909的電阻性用戶線接口、振鈴繼電器和保護(hù)器)
中文描述： 電阻用戶線接口電路（SLIC），環(huán)繼電器和保護(hù)（SRP）的短環(huán)路和TA - 909應(yīng)用（用于短環(huán)路和電訊- 909的電阻性用戶線接口，振鈴繼電器和保護(hù)器）
文件頁(yè)數(shù)： 22/34頁(yè)
文件大?。?/td> 564K
代理商： L7597
22
Lucent Technologies Inc.
Advance Data Sheet
March 1997
Relay, and Protector (SRP) for Short Loop and TA-909 Applications
L7597 Resistive Subscriber Line Interface Circuit (SLIC), Ring
Applications
(continued)
Resistor Module
(continued)
5-5279 (F)
Notes:
1. Pin numbers and resistor labels are per MMCA31A8574AA and MMCA11A8574AA descriptions.
2. Node labels are per L7597 package.
3. For 600 V power cross, resistor networks should “open” in less than 40 ms.
Figure 6. Resistor Network
Table 16. MMCA31A8574AA and MMCA11A8574AA Module
1. Continuous (RMS) power.
2. For 50 dB longitudinal balance; 0.2% for 55 dB balance.
Note: Fuses F1 and F2 provide fail-safe operation if excessive overvoltage conditions exist on Tip and Ring. They will not operate if the total
power dissipation of the entire resistor network is
≤
5.0 W @ 85
°
C.
Resistor
R
1
R
2
R
3
R
4
R
5
R
6
R
7
R
8
R
9
R
10
R
9
/R
1
R
1
/R
2
Value
200
200
100 k
100 k
200 k
200 k
1 k
1 k
20 k
600
100
1
1
Tolerance
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
2.0%
2.0%
—
1.0%
0.5%
0.35%
2
0.35%
2
Power
1
2.0 W
2.0 W
25 mW
25 mW
25 mW
25 mW
0.1 W
0.1 W
10 mW
1.6 W
—
—
—
Surge Rating
Lightning: Power cross
Lightning: Power cross
None
None
Lightning: Power cross
Lightning: Power cross
Lightning: Power cross
Lightning: Power cross
None
14 W for 250 ms
—
—
—
(R
3
+
R
6
)/(R
4
+ R
5
)
1
RING
PR
RGBN
GND
RS
V
BF
GND
RSW
TS
XMT
PT
TIP
F2
R
7
2
3
4
5
R
9
R
3
7
6
R
5
R
10
R
6
R
4
12
11
10
9
8
13
14
F1
R
8
R
2
R
1
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