Data Sheet
April 2000
L8560 Low-Power SLIC with Ringing
10
Lucent Technologies Inc.
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.
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.
Parameter
Symbol
V
CC
V
EE
V
BAT1,
V
BAT2
IV
BAT2
I
—
—
T
J
T
stg
R
H
—
V
PT
, V
PR
V
PT
, V
PR
I
RTSP
, I
RTSN
Value
7.0
–7.0
–75
Unit
V
V
V
V
V
V
°
C
°
C
%
V
V
V
μ
A
5 V Power Supply
–5 V Power Supply (L8560C)
Battery (talking) Supplies
V
BAT2
Magnitude
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
IV
BAT1
I + 0.4
–0.5 to +7.0
–7.0 to +7.0
165
–40 to +125
5 to 95
±
3
(V
BAT1
– 5) to +3
(V
BAT1
– 15) to +15
±
240