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參數(shù)資料
| 型號： | HC9P5504DLC-9 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | SLIC Subscriber Line Interface Circuit |
| 中文描述： | TELECOM-SLIC, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁數(shù)： | 9/9頁 |
| 文件大小： | 87K |
| 代理商： | HC9P5504DLC-9 |
59
Applications Diagram
FIGURE 1. TYPICAL LINE CIRCUIT APPLICATION WITH THE MONOLITHIC SLIC
Typical Component Values
C
2
= 0.15
μ
F, 10V
C
3
= 0.3
μ
F, 30V
C
4
= 0.5
μ
F to 1.0
μ
F, 10%, 20V (Should be nonpolarized)
C
5
= 0.5
μ
F, 20V
C
6
= C
7
= 0.5
μ
F (10% Match Required) (Note 7)
C
8
= 0.01
μ
F, 100V
C
9
= 0.01
μ
F, 20V,
±
20%
R
1
= R
2
= R
3
= 100k
(0.1% Match Required, 1% absolute
value) ZB = 0 for 600
Terminations (Note 7).
R
B1
= R
B2
= R
B3
= R
B4
= 150
(0.1% Match Required, 1%
absolute value).
R
S1
= R
S2
=1k
, typically.
C
S1
= C
S2
= 0.1
μ
F, 200V typically, depending on V
RING
and
line length.
Z
1
= 150V to 200V transient protection.
PTC used as ring generator ballast.
NOTES:
6. Secondary protection diode bridge recommended is a 2A, 200V type.
7. To obtain the specified transhybrid loss it is necessary for the three legs of the balance network, C
6
-R
1
and R
2
and C
7
-ZB-R
3
, to match in im-
pedance to within 0.3%. Thus, if C
6
and C
7
are 1
μ
F each, a 20% match is adequate. It should be noted that the transmit output to C
6
sees a -
22V step when the loop is closed. Too large a value for C
6
may produce an excessively long transient at the op amp output to the PCM Fil-
ter/CODEC.
A 0.5
μ
F and 100k
gives a time constant of 50ms. The uncommitted op amp output is internally clamped to stay within
±
5.5V and also has
current limiting protection.
8. All grounds (AG, BG, and DG) must be applied before V
B
+ or V
B
-. Failure to do so may result in premature failure of the part. If a user wishes
to run separate grounds off a line card, the AG must be applied first.
9. Application shows Ring Injected Ringing, Balanced or Tip injected configuration may be used.
10. Pin numbers given for DIP/SOIC package.
R
B4
K
1B
K
1A
RING
RING FEED
RING FEED SENSE
TIP
V
B
-
SLIC
HC-5504B
R
S1
R
B2
R
B1
PTC
Z
1
-48V
150V
PEAK
(MAX)
RING GENERATOR
RING
R
B3
R
S2
C
S2
SUBSCRIBER
LOOP
-48V
SYSTEM CONTROLLER
K
1
8
1
9
10
3
2
1
TIP FEED
TIP
RD
OP AMP
RX
TX
+IN
-IN
OUT
C2
C3
C4
V
B
+
NEG.
BATT.
BATT.
GND.
DIG.
GND.
ANA.
GND.
POWER
DENIAL
SWITCH
HOOK
DETECT
GROUND
KEY
DETECT
RING
SYNC
RING
CMD
15
13
14
7
16
11
12
6
23
C
9
4
V
B
+
C
8
C
4
C
3
C
2
+
+
21
24
20
19
18
17
5
22
C
6
R
1
R
2
C
7
C
5
R
3
BALANCE NETWORK
PCM
FILTER/
CODEC
SWITCHING
NETWORK
ZB
5V TO
12V
PRIMARY
PROTECTION
C
S1
HC-5504B
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相關(guān)代理商/技術(shù)參數(shù) |
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| HC9P5509 WAF | 制造商:Harris Corporation 功能描述: |
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| HC9P5509B3999 WAF | 制造商:Harris Corporation 功能描述: |
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| HC9P5509B-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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