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參數資料
| 型號： | L9214A |
| 英文描述： | CAP CER 220PF 3.15KVDC R3 RAD |
| 中文描述： | 低成本振鈴用戶接口 |
| 文件頁數： | 20/46頁 |
| 文件大小： | 790K |
| 代理商： | L9214A |
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Preliminary Data Sheet
October 2001
Low-Cost Ringing SLIC
L9214A/G
20
Agere Systems Inc.
Electrical Characteristics
(continued)
Table 13. Logic Inputs and Outputs (V
CC
= 5.0 V)
Table 14. Logic Inputs and Outputs (V
CC
= 3.3 V)
Table 15. Ringing Specifications
1. Voltage is measured across both resistive and capacitive elements of the ringer load.
2. Voltage is measured only across the resistive element of the ringer load.
Parameter
Symbol
V
IL
V
IH
Min
Typ
Max
Unit
Input Voltages:
Low Level
High Level
Input Current:
Low Level (V
CC
= 5.25 V, V
I
= 0.4 V)
High Level (V
CC
= 5.25 V, V
I
= 2.4 V)
Output Voltages (open collector with internal pull-up resistor):
Low Level (V
CC
= 4.75 V, I
OL
= 200
μ
A)
High Level (V
CC
= 4.75 V, I
OH
=
–
10
μ
A)
–
0.5
2.0
0.4
2.4
0.7
V
CC
V
V
I
IL
I
IH
—
—
—
—
±250
±250
μ
A
μ
A
V
OL
V
OH
0
2.4
0.2
—
0.4
V
CC
V
V
Parameter
Symbol
V
IL
V
IH
Min
Typ
Max
Unit
Input Voltages:
Low Level
High Level
Input Current:
Low Level (V
CC
= 3.46 V, V
I
= 0.4 V)
High Level (V
CC
= 3.46 V, V
I
= 2.4 V)
Output Voltages (open collector with internal pull-up resistor):
Low Level (V
CC
= 3.13 V, I
OL
= 200
μ
A)
High Level (V
CC
= 3.13 V, I
OH
=
–
5
μ
A)
–
0.5
2.0
0.2
2.5
0.5
V
CC
V
V
I
IL
I
IH
—
—
—
—
±250
±250
μ
A
μ
A
V
OL
V
OH
0
2.2
0.2
—
0.5
V
CC
V
V
Parameter
Min
—
Typ
60
Max
—
Unit
dB
Ring Signal Isolation:
PT/PR to VITR
Ring Mode
Ringing Voltage (5 REN 1386
+ 40 μF load, 200
loop, 2 x 30
protection
resistors,
–
69 V battery, 1.2 crest factor)
1
Ringing Voltage (3 REN 2330
+ 24 μF load, 600
loop, 2 x 30
protection
resistors,
–
69 V battery, 1.2 crest factor)
1
Ringing Voltage (2 REN 3500
+ 16 μF load, 1000
loop, 2 x 30
protec-
tion resistors,
–
69 V battery, 1.2 crest factor)
1
Ringing Voltage (2 REN 3500
+ 1.8 μF load, 500
loop, 2 x 30
protection
resistors,
–
69 V battery, 1.2 crest factor)
2
Ring Signal Distortion:
5 REN 1386
, 40 μF Load, 200
Loop
3 REN 2330
, 24 μF Load, 600
Loop
2 REN 3500
, 16 μF Load, 1000
Loop
2 REN 3500
, 1.8 μF Load, 500
Loop
40
—
—
Vrms
40
—
—
Vrms
40
—
—
Vrms
40
—
—
Vrms
—
—
—
—
5
5
5
5
—
—
—
10
%
%
%
%
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