參數(shù)資料
型號(hào)： L9216A
英文描述： CAP CER 270PF 3.15KVDC R3 RAD
中文描述： 短環(huán)振鈴用戶接口與地面開始
文件頁數(shù)： 15/48頁
文件大小： 1062K
代理商： L9216A
Preliminary Data Sheet
September 2001
Short-Loop Ringing SLIC with Ground Start
L9216A/G
Agere Systems Inc.
15
Electrical Characteristics
(continued)
Table 11. 2-Wire Port
Parameter
Min
105
65
10
8.5
Typ
—
—
—
15
Max
—
—
—
—
Unit
mAp
mAp
mArms
mArms
Tip or Ring Drive Current = dc + Longitudinal + Signal Currents
Tip or Ring Drive Current = Ringing + Longitudinal
Signal Current
Longitudinal Current Capability per Wire (Longitudinal current is indepen-
dent of dc loop current.)
Ringing Current (R
LOAD
= 1386
+ 40
μ
F)
Ringing Current Limit (R
LOAD
= 100
)
dc Loop Current—I
LIM
(V
BAT2
applied, R
LOOP
= 100
):
V
PROG
= 0
V
PROG
= Open
dc Current Variation
dc Feed Resistance (does not include protection resistors)
Open Loop Voltages:
Scan Mode:
|V
BAT1
| > 51 V |V
TIP
| – |V
RING
|
PR to Battery Ground
PT to Battery Ground
OHT Mode:
|V
BAT1
| > 51 V |V
TIP
| – |V
RING
|
PR to Battery Ground
PT to Battery Ground
Active Mode:
|PT – PR| – |V
BAT2
|
Ring Mode:
|PT – PR| – |V
BAT1
|
29
—
—
—
—
50
mArms
mAp
—
—
—
—
25
40
—
50
—
—
±8
—
mA
mA
%
44
—
—
41
—
—
5.75
—
51
—
—
49
—
—
6.25
4
—
56.5
56.5
—
56.5
56.5
6.75
—
V
V
V
V
V
V
V
V
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