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參數(shù)資料
| 型號： | HC5515CMZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | ITU CO/PABX SLIC with Low Power Standby |
| 中文描述： | TELECOM-SLIC, PQCC28 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-018AB, LCC-28 |
| 文件頁數(shù)： | 17/20頁 |
| 文件大?。?/td> | 469K |
| 代理商： | HC5515CMZ |
17
FN4235.6
June 6, 2006
13
C1
TTL compatible logic input. The logic states of C1 and C2 determine the operating states (Open Circuit, Active, Ringing
or Standby) of the SLIC.
14
R
DC
DC feed current programming resistor pin. Constant current feed is programmed by resistors R
DC1
and R
DC2
connected in series from this pin to the receive summing node (RSN). The resistor junction point is decoupled to AGND
to isolate the AC signal components.
15
AGND
Analog ground.
16
RSN
Receive Summing Node. The AC and DC current flowing into this pin establishes the metallic loop current that flows
between tip and ring. The magnitude of the metallic loop current is 1000 times greater than the current into the RSN
pin. The constant current programming resistors and the networks for program receive gain and 2-wire impedance all
connect to this pin.
18
V
EE
-5V power supply.
19
V
TX
Transmit audio output. This output is equivalent to the TIP to RING metallic voltage. The network for programming the
2-wire input impedance connects between this pin and RSN.
20
HPR
RING side of AC/DC separation capacitor C
HP
. C
HP
is required to properly separate the ring AC current from the DC
loop current. The other end of C
HP
is connected to HPT.
21
HPT
TIP side of AC/DC separation capacitor C
HP
. C
HP
is required to properly separate the tip AC current from the DC loop
current. The other end of C
HP
is connected to HPR.
22
RD
Loop current programming resistor. Resistor R
D
sets the trigger level for the loop current detect circuit. A filter capacitor
C
D
is also connected between this pin and V
EE
.
23
DT
Input to ring trip comparator. Ring trip detection is accomplished by connecting an external network to a comparator in
the SLIC with inputs DT and DR.
25
DR
Input to ring trip comparator. Ring trip detection is accomplished by connecting an external network to a comparator in
the SLIC with inputs DT and DR.
26
TIP
SENSE
Internally connected to output of tip power amplifier.
27
TIPX
Output of tip power amplifier.
28
RINGX
Output of ring power amplifier.
3, 10 17,
24
N/C
No internal connection.
Pin Descriptions
(Continued)
PLCC
SYMBOL
DESCRIPTION
HC5515
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HC5515 | ITU CO/PABX SLIC with Low Power Standby |
| HC5515CM | ITU CO/PABX SLIC with Low Power Standby |
| HC5515CP | ITU CO/PABX SLIC with Low Power Standby |
| HC5515IM | ITU CO/PABX SLIC with Low Power Standby |
| HC5515IP | ITU CO/PABX SLIC with Low Power Standby |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HC5515CP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HC5515IM | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HC5515IMR4717 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HC5515IP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HC5515IP-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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