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參數(shù)資料
| 型號： | 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、振鈴繼電器和保護器) |
| 中文描述： | 電阻用戶線接口電路（SLIC），環(huán)繼電器和保護（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，振鈴繼電器和保護器） |
| 文件頁數(shù)： | 5/34頁 |
| 文件大?。?/td> | 564K |
| 代理商： | L7597 |
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Lucent Technologies Inc.
5
Advance Data Sheet
March 1997
Relay, and Protector (SRP) for Short Loop and TA-909 Applications
L7597 Resistive Subscriber Line Interface Circuit (SLIC), Ring
Pin Information
12-3331.a (C)
Figure 2. Pin Layout
Table 1. Pin Descriptions
Pin
1
Symbol
IRCV
Type
I
Name/Function
The differential current flowing from PT to PR is 200 times
the current flowing into IRCV.
+5 Volt Analog dc Supply.
+5 V supply for analog circuitry.
Battery Noise Capacitor.
The current flowing out of PR is –100 times the voltage
applied to CBN divided by the impedance connected between RGBN and AGND.
Connect a capacitor from CBN to V
BF
to eliminate battery noise from the Tip/Ring.
Battery Noise Gain Resistor.
The current flowing out of PR is 100 times the current
flowing into RGBN. Connect a resistor from RGBN to AGND to set the gain of the
battery noise cancellation circuit.
Analog Ground.
Ground return for analog circuitry.
Not Loop Status.
When low, this logic output indicates either a ring trip or an off-
hook condition, depending on the input state of the SLIC.
Channel Select.
A low-to-high transition on this logic input stores the data on pins
B0—B3 into the input latches on the SLIC.
Bit 3.
B0—B3 determine the state of the SLIC. See Operating States.
Bit 2.
B0—B3 determine the state of the SLIC. See Operating States.
Bit 1.
B0—B3 determine the state of the SLIC. See Operating States.
Bit 0.
B0—B3 determine the state of the SLIC. See Operating States.
Receive Signal Input (+).
2
3
V
CBN
CCA
—
I
4
RGBN
I
5
6
AGND
NSTAT
—
O
7
CS
I
8
9
B3
B2
B1
B0
I
I
I
I
10
11
V
CCA
V
BATH
AGND
V
BATL
CLIM
PT
PR
5
7
8
9
10
11
12
1314
15
6
4
3
2
1
32
31
16
18
19
20
17
30
27
26
25
24
23
22
21
28
29
XMT
FGND
CS
NSTAT
AGND
B3
B1
B2
R
D
R
B0
CE
V
DD
T
R
V
B
V
R
R
V
B
R
I
C
V
C
R
L7597AAU
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