參數(shù)資料
型號(hào)： L8567-44PLCC
英文描述： Telecommunication IC
中文描述： 通信集成電路
文件頁(yè)數(shù)： 11/42頁(yè)
文件大?。?/td> 701K
代理商： L8567-44PLCC
Lucent Technologies Inc.
11
Data Sheet
August 1999
People’s Republic of China Applications
L8567 SLIC for
Absolute Maximum Ratings
(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.
* Use of an auxiliary battery, V
BAT2
, whose magnitude is equal to the primary battery V
BAT1
but does not exceed the absolute maximum rating,
will not damage the chip. However, in a 32-pin PLCC, it will drive the L8567 into thermal shutdown under short-loop conditions. Use a power
resistor to node PWR.
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 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, and 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
DD
V
BAT1,
V
BAT2
—
—
T
J
T
stg
R
H
—
Min
—
—
—
–0.5
–7.0
—
–40
5
—
Typ
—
—
—
—
—
—
—
—
—
Max
7.0
7.0
–70
7.0
7.0
165
125
95
±
3
Unit
V
V
V
V
V
°
C
°
C
%
V
+5 V Power Supply
+5 V Digital Supply
Battery (talking) Supplies
*
Logic Input Voltage
Analog Input Voltage
Maximum Junction Temperature
Storage Temperature Range
Relative Humidity Range
Ground Potential Difference (BGND to AGND)
Parameter
Min
–40
4.75
Typ
—
5.0
Max
85
5.25
Unit
°
C
V
Ambient Temperature
V
CC
Supply Voltage
V
DD
Supply Voltage
4.75
5.0
5.25
V
V
BAT1
Supply Voltage
V
BAT2
Auxiliary Battery Supply Voltage
dc Loop Current-limit Programming Range
On- and Off-hook 2-wire Signal Level
–65
–35
15
—
–48
–24
40
3.17
–35
–15
45
—
V
V
mA
dBm
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