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參數(shù)資料
| 型號： | LUCL9218AAR-D |
| 英文描述： | Low-Cost Line Interface |
| 中文描述： | 低成本線接口 |
| 文件頁數(shù)： | 7/30頁 |
| 文件大?。?/td> | 378K |
| 代理商： | LUCL9218AAR-D |
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Agere Systems Inc.
7
Data Sheet
November 2001
L9218A/G Low-Cost Line Interface
Absolute Maximum Ratings
(at T
A
= 25
°
C)
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Note: The IC can be damaged unless all ground connections are applied before, and removed after, all other connections. Furthermore, when
powering the device, the user must guarantee that no external potential creates a voltage on any pin of the device that exceeds the
device ratings. Some of the known examples of conditions that cause such potentials during powerup are the following:
1. An inductor connected to tip and ring can force an overvoltage on V
BAT
through the protection devices if the V
BAT
connection chatters.
2. Inductance in the V
BAT
lead could resonate with the V
BAT
filter capacitor to cause a destructive overvoltage.
Recommended Operating Conditions
Parameter
Symbol
V
CC
V
BAT
—
—
T
J
T
stg
R
H
—
V
PT
, V
PR
V
PT
, V
PR
I
RTSP
, I
RTSN
Min
—
—
–0.5
–7.0
150
–40
5
—
V
BAT
– 5
V
BAT
– 15
—
Typ
—
—
—
—
—
—
—
±
3
—
—
±
240
Max
7.0
–75
7.0
7.0
—
125
95
—
3
15
—
Unit
V
V
V
V
°C
°C
%
V
V
V
μ
A
5 V Power Supply
Battery (talking) Supply
Logic Input Voltage
Analog Input Voltage
Maximum Junction Temperature
Storage Temperature Range
Relative Humidity Range
Ground Potential Difference (BGND to AGND)
PT or PR Fault Voltage (dc)
PT or PR Fault Voltage (10 x 1000
μ
s)
Current into Ring Trip Inputs
Parameter
Min
–40
4.75
–24
Typ
—
5.0
–48
Max
85
5.25
–70
Unit
°C
V
V
Ambient Temperature
V
CC
Supply Voltage
V
BAT
Supply Voltage
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相關代理商/技術參數(shù) |
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| LUCL9218AAR-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface |
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