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參數(shù)資料
| 型號(hào)： | L9215A |
| 英文描述： | CAP CER 2200PF 3.15KVDC R3 RAD |
| 中文描述： | 短回路正弦波振鈴用戶接口 |
| 文件頁(yè)數(shù)： | 17/50頁(yè) |
| 文件大小： | 1115K |
| 代理商： | L9215A |
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Data Sheet
September 2001
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Agere Systems Inc.
17
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 + PPM
Tip or Ring Drive Current = Ringing + Longitudinal
Signal Current
Longitudinal Current Capability per Wire (Longitudinal current is indepen-
dent of dc loop current.)
PPM Signal Current = 1.25 V
MAX
into 200
ac
Ringing Current (R
LOAD
= 1386
+ 40
μ
F)
Ringing Current Limit (R
LOAD
= 100
)
dc Loop Current—I
LIM
(R
LOOP
= 100
):
Programming Range (V
CC
= 5 V)
Programming Range (V
CC
= 3.3 V)
Voltage at V
PROG
dc Current Variation (current limit 22 mA to 28 mA)
dc Current Variation (current limit 70 mA)
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
OH
= 0 V) |V
TIP
| – |V
RING
|
PR to Battery Ground
PT to Battery Ground
Active Mode (V
OH
= 0 V):
|PT – PR| – |V
BAT2
|
Ring Mode:
|PT – PR| – |V
BAT1
|
6.25
29
—
—
—
—
—
—
50
mArms
mArms
mAp
15
15
0.194
—
—
—
—
—
—
—
—
50
70
45
1.01
±8
±10
—
mA
mA
V
%
%
44
—
—
41
—
—
5.65
—
51
—
—
49
—
—
6.0
4.0
—
56.5
56.5
—
56.5
56.5
6.5
—
V
V
V
V
V
V
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